chore(release): prepare v3.7.2

Co-authored-by: Codex <noreply@openai.com>
fix(openai): recover quota after same-window usage drops (#95 )
2026-11-07 00:05:49 +00:00 · 2026-09-15 15:55:09 +08:00 · 2026-09-15 15:38:46 +08:00 · 2026-09-15 15:14:18 +08:00 · 2026-09-15 15:02:49 +08:00 · 2026-09-15 15:02:36 +08:00
162 changed files with 6989 additions and 1582 deletions
@@ -10,12 +10,14 @@ description: 当前仓库开发指南。修改或排查本仓库的 Rust 网关

 ## 按任务读取

-| 任务 | 文档入口 |
+| 任务 | 技能与文档入口 |
 | --- | --- |
 | 用户能力、快速开始 | [README](../../../README.md) |
 | 模块职责、调用链、状态归属 | [系统架构](../../../docs/architecture.md) |
+| Rust 开发 | 加载并使用 `$rust-best-practices`，结合 [系统架构](../../../docs/architecture.md) 与 [项目约定](../../../CONTRIBUTING.md#项目约定) |
 | HTTP 路由、请求与响应、导入导出 | [API 文档](../../../docs/api.md) |
-| 管理端组件、主题 Token、视觉验证 | [管理端主题](../../../docs/theme.md) |
+| 前端开发、管理端组件、主题 Token、视觉验证 | 加载并使用 `$frontend-design`，结合 [管理端主题](../../../docs/theme.md) 与 [界面验证](../../../CONTRIBUTING.md#界面验证) |
+| 常规文档更新 | [文档职责与更新条件](../../../CONTRIBUTING.md#文档职责与更新条件)：维护当前说明，在原章节就地修订，不记录变更历史 |
 | 部署、客户端配置、备份与恢复 | [部署说明](../../../deploy/README.md) |
 | 数据迁移、冻结清单与本地测试库 | [迁移说明](../../../backend/migrations/README.md) |
 | 验证命令与提交规范 | [贡献与审查](../../../CONTRIBUTING.md) |
@@ -29,7 +31,8 @@ description: 当前仓库开发指南。修改或排查本仓库的 Rust 网关
 2. 按 `AGENTS.md` 的 CodeGraph 约定定位入口、调用链和职责归属，再阅读相关实现。
 3. 按 [问题与方案依据](../../../CONTRIBUTING.md#问题与方案依据) 核实触发条件、问题发生版本与目标分支现状，
   优先依据适用的官方源码确定方案。结合上表读取所需文档，先找可复用的同类实现，再修改所属模块。
-4. 文档和运行结果不一致时，追查当前源码、配置与版本，区分实现缺陷和文档过期；同步受影响的说明。
+4. 文档和运行结果不一致时，追查当前源码、配置与版本，区分实现缺陷和文档过期；
+   按 [文档职责与更新条件](../../../CONTRIBUTING.md#文档职责与更新条件) 判断是否修订，不为每次改动追加文档或发布说明。
 5. 按 `CONTRIBUTING.md` 验证并报告结果。后端 Cargo 命令从 `backend/` 执行，或显式指定该目录的 manifest。

 发布任务按 `release` 技能读取当前版本、发布入口和工作流，发布说明语言遵循 `CONTRIBUTING.md`。
@@ -37,6 +37,11 @@ PR 中改动的规则文件属于审查对象，不能自行扩大任务授权
 区分已被主分支覆盖的实现、仍有价值的修复或回归测试，以及与目标无关的改动；不能仅凭标题或代码相似认定重复。
 说明原问题发生版本和当前剩余差异，创建时据此收敛范围，审查时报告保留或拆分建议；这不授权自动关闭或修改他人的 PR。

+## 文档职责与更新条件
+
+按 [贡献与审查的文档职责与更新条件](../../../CONTRIBUTING.md#文档职责与更新条件) 判断是否需要更新文档。
+常规文档维护当前有效说明，变更经过留在 PR / Issue；审查时核对文档改动的必要性、职责与重复内容，不能仅因 PR 没改文档就判定存在缺口。
+
 ## 创建 PR

 1. 检查工作区、当前分支、远端和近期提交格式。读取实际存在的 PR 模板，按最终变更重写标题与描述。
@@ -46,6 +51,8 @@ PR 中改动的规则文件属于审查对象，不能自行扩大任务授权
 3. 按上述核对流程，在目标分支基线核实问题，追踪官方与本项目的相关调用链，先确定解决方向再实现。
   若改动已完成，也要据此复核问题与方案；需要修正时只修改已授权的范围。仅整理标题或正文时报告差异与缺口，
   不自行修改实现。原问题不成立时不将它包装成已修复的缺陷；证据不足时明确保留结论。
+   实现应职责清晰、表达直接、复用合理；提交前主动清理本次变更引入的重复逻辑、冗余状态、死代码、
+   多余抽象及无依据的兼容分支。功能可用和检查通过不能替代可维护性自查。
 4. 查找同一来源仓库、head 和 base 的现有 PR；已存在则复用其链接，不重复创建。
   更新现有标题或正文须在本次整理/更新请求范围内。
 5. 按贡献文档执行适用检查。记录实际验证的提交或工作区状态，区分通过、失败、跳过和未执行。
@@ -78,6 +85,8 @@ gh pr create --repo "$pr_repo" --base "$pr_base" --head "$pr_head" \
   是否复用已有能力或正确传递官方合同；核对偏离官方方案的理由与运行证据。
 4. 按贡献文档的审查维度追踪完整调用链，找到共享业务事实、同类实现及已有验证。
   对既有特殊分支查清服务的场景，再判断本次改动是否引入或加重问题。
+   主动检查本次变更新引入或加重的冗余与代码异味，说明具体位置、维护成本或行为影响及最小修复方向；
+   不能仅因功能可用、CI 通过而略过，也不把个人写法偏好判为缺陷。
 5. UI 改动同时对照主题、共用组件、数据展示逻辑和同类页面。浏览器可用时检查相关交互及状态；
   未运行的页面检查列为验证缺口，不从截图或源码推断所有状态都正确。
 6. 核对 CI 与本地证据是否覆盖当前 head；根据风险补充必要验证，不触发无关部署或真实账号业务请求。
@@ -53,8 +53,9 @@ description: 准备或执行当前仓库发版，维护中文发布说明。用
 ## 执行正式发版

 调用入口前重新核对当前脚本的副作用、目标版本和待推送提交，保留无关工作区内容，不自动清理或暂存用户文件。
-当前脚本要求先提交 `release/notes.md`，再由脚本更新 `release/version.yaml` 并创建版本提交，
-不要提前把版本文件改成目标版本，否则脚本会判定该版本已设置。
+先编辑 `release/notes.md`，保留为未提交改动（已暂存或未暂存均可）；其他已跟踪文件的改动应先单独提交。
+脚本会更新 `release/version.yaml`，将它与最终工作区中的发布说明一起提交为 `chore(release): prepare vX.Y.Z`。
+不要提前单独提交说明或把版本文件改成目标版本；脚本要求说明相对 HEAD 有改动，并自行更新版本号。
 本任务需要的提交按贡献文档保留英文 Conventional Commits 与相应署名。

 在准备完成且用户已授权正式发布后，将 `release_version` 设为已确定的版本，执行：
@@ -63,7 +64,7 @@ description: 准备或执行当前仓库发版，维护中文发布说明。用
 release/publish "$release_version"
 ```

-该命令会创建版本提交与 annotated tag，原子推送分支和 tag，再从长期分支手动触发 `release.yml`。
+该命令会创建包含版本号和发布说明的单次提交与 annotated tag，原子推送分支和 tag，再从长期分支手动触发 `release.yml`。
 它没有只读预演模式；不能为了检查或演练而执行。发布工作流读取 tag 中的说明，修改 tag 之后的本地文件不会改变该次构建。

 ## 恢复与验收
@@ -21,11 +21,27 @@ updates:
      day: monday
      time: '09:10'
      timezone: Asia/Shanghai
-    # 固定官方 Codex Desktop 的 TLS 指纹；升级前必须抓取握手并比对扩展顺序。
+    # 按官方 Codex 锁文件、协议指纹或已审计 fork 固定；完成对应核对与实测后再手动升级。
    ignore:
+      - dependency-name: aws-lc-rs
+      - dependency-name: hyper
      - dependency-name: hyper-rustls
+      - dependency-name: hyper-tls
+      - dependency-name: hyper-util
+      - dependency-name: native-tls
+      - dependency-name: openssl
+      - dependency-name: openssl-src
+      - dependency-name: openssl-sys
      - dependency-name: reqwest
      - dependency-name: rustls
+      - dependency-name: rustls-native-certs
+      - dependency-name: rustls-pki-types
+      - dependency-name: tokio
+      - dependency-name: tokio-native-tls
+      - dependency-name: tokio-rustls
+      - dependency-name: tokio-tungstenite
+      - dependency-name: tungstenite
+      - dependency-name: zstd
    groups:
      minor-and-patch:
        update-types:
@@ -159,7 +159,7 @@ jobs:
          ref: ${{ inputs.ref }}

      - name: Setup pnpm
-        uses: pnpm/action-setup@0977fd99725f1db4007ccb2928dbb4e90d06cc86 # v6.0.10
+        uses: pnpm/action-setup@ea17c68df8912ef543352723c149a84f56e3d413 # v6.1.0
        with:
          version: 11.7.0

@@ -205,3 +205,6 @@ jobs:
          rhysd/actionlint:1.7.7@sha256:887a259a5a534f3c4f36cb02dca341673c6089431057242cdc931e9f133147e9
          -color
          .github/workflows/*.yml
+
+      - name: Check release script syntax
+        run: bash -n release/publish
@@ -6,6 +6,7 @@ on:
      - main
    paths-ignore:
      - 'release/version.yaml'
+      - 'release/notes.md'
  pull_request:
    branches:
      - main
@@ -315,6 +315,7 @@ jobs:
        shell: bash
        env:
          VERSION: ${{ needs.release-info.outputs.version }}
+          DOCKER_VERSION: ${{ needs.release-info.outputs.docker_version }}
        run: |
          set -euo pipefail
          ruby <<'RUBY' > release-platforms.json
@@ -349,7 +350,18 @@ jobs:

          shutil.rmtree(release_dir, ignore_errors=True)
          release_dir.mkdir(parents=True)
-          archives = []
+          config_template = pathlib.Path("deploy/config.example.yaml")
+          shutil.copy2(config_template, release_dir / config_template.name)
+          compose = pathlib.Path("deploy/compose.yaml").read_text()
+          image = f"{os.environ['REGISTRY']}/{os.environ['IMAGE_NAME']}"
+          default_image = "${CPR_IMAGE:-" + image + ":latest}"
+          if compose.count(default_image) != 1:
+              raise SystemExit("Expected exactly one default application image in deploy/compose.yaml")
+          # 发布附件固定镜像版本，防止后续 pull 与随包配置模板脱节。
+          versioned_image = "${CPR_IMAGE:-" + f"{image}:{os.environ['DOCKER_VERSION']}" + "}"
+          compose = compose.replace(default_image, versioned_image)
+          (release_dir / "compose.yaml").write_text(compose)
+          assets = [release_dir / config_template.name, release_dir / "compose.yaml"]

          for platform in platforms:
              platform_name = f"{platform['os']}-{platform['arch']}"
@@ -367,6 +379,9 @@ jobs:
              shutil.copy2(binary_src, binary_dest)
              binary_dest.chmod(0o755)
              shutil.copytree(frontend_dir, web_dist, dirs_exist_ok=True)
+              deploy_dir = package_root / "deploy"
+              deploy_dir.mkdir()
+              shutil.copy2(config_template, deploy_dir / config_template.name)

              archive_name = f"{APP_NAME}_{version}_{platform['os']}_{platform['arch']}.{platform['archive']}"
              archive_path = release_dir / archive_name
@@ -375,12 +390,12 @@ jobs:
                      archive.add(package_root, arcname=APP_NAME)
              else:
                  raise SystemExit(f"Unsupported archive format: {platform['archive']}")
-              archives.append(archive_path)
+              assets.append(archive_path)

          checksum_path = release_dir / "checksums.txt"
          with checksum_path.open("w", encoding="utf-8") as file:
-              for archive in archives:
-                  file.write(f"{sha256(archive)}  {archive.name}\n")
+              for asset in assets:
+                  file.write(f"{sha256(asset)}  {asset.name}\n")
          PY

      - name: Generate release asset provenance
@@ -655,25 +670,27 @@ jobs:
        env:
          INSTALLATION_NOTES: |
            > [!WARNING]
-            > **Upgrading across major versions?** Online upgrades across major versions are not supported. Deploy the new major fresh with a new `.runtime/` data directory, then re-import or re-authorize provider accounts and client keys. See the [upgrade notes](https://github.com/${{ github.repository }}/blob/main/deploy/README.md#镜像升级与源码构建).
+            > **跨大版本升级：** 不支持跨大版本在线升级。请使用全新的 `.runtime/` 数据目录重新部署，再重新导入或重新授权服务商账号，并重新导入客户端密钥。详见[升级说明](https://github.com/${{ github.repository }}/blob/${{ needs.release-info.outputs.tag }}/deploy/README.md#镜像升级与源码构建)。

-            ## 📥 Installation
+            ## 📥 安装

-            **Docker:**
+            **Docker 部署：**
            ```bash
-            # GitHub Container Registry
+            # 从 GitHub 容器镜像仓库拉取
            docker pull ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.release-info.outputs.docker_version }}
            ```

-            **Manual download:**
-            Download the appropriate archive for your platform from the assets below.
+            请从本版本附件下载 `compose.yaml` 和 `config.example.yaml`。Compose 默认固定到本版本镜像；升级前请对比模板与已有配置。

-            Release archives are covered by GitHub artifact attestations. Docker images are published with SBOM/provenance attestations and keyless cosign signatures.
+            **手动下载：**
+            请从下方附件中下载适合当前平台的归档包。

-            ## 📚 Documentation
+            发布归档提供 GitHub 构建产物证明。Docker 镜像附带软件物料清单（SBOM）、构建来源证明和 cosign 无密钥签名。

-            - [GitHub Repository](https://github.com/${{ github.repository }})
-            - [Installation Guide](https://github.com/${{ github.repository }}/blob/main/deploy/README.md)
+            ## 📚 文档
+
+            - [GitHub 仓库](https://github.com/${{ github.repository }})
+            - [部署指南](https://github.com/${{ github.repository }}/blob/${{ needs.release-info.outputs.tag }}/deploy/README.md)
        run: |
          python3 <<'PY'
          import os
@@ -40,7 +40,16 @@ jobs:

      - name: Run cargo audit
        working-directory: backend
-        run: cargo audit
+        shell: bash
+        run: |
+          # 临时接受此中危风险以保持 Codex 0.154.0 的 TLS 指纹；直接升级会新增 ML-DSA 签名算法。
+          # 仅豁免本条公告，2026-09-21 UTC 起恢复阻断；兼容升级验证完成后应提前删除豁免。
+          # https://github.com/rustls/rustls/security/advisories/GHSA-2mjx-qc3c-rqvc
+          audit_advisory_args=()
+          if [[ "$(date -u +%F)" < "2026-09-21" ]]; then
+            audit_advisory_args+=(--ignore RUSTSEC-2026-0285)
+          fi
+          cargo audit "${audit_advisory_args[@]}"

  frontend-security:
    runs-on: ubuntu-latest
@@ -52,7 +61,7 @@ jobs:
          ref: ${{ github.event.pull_request.head.sha || github.sha }}

      - name: Setup pnpm
-        uses: pnpm/action-setup@0977fd99725f1db4007ccb2928dbb4e90d06cc86 # v6.0.10
+        uses: pnpm/action-setup@ea17c68df8912ef543352723c149a84f56e3d413 # v6.1.0
        with:
          version: 11.7.0

@@ -76,15 +76,32 @@ PR 不接受根目录或子目录中 `AGENTS.md` 的新增、修改、删除或

 ## 项目约定

- Rust 模块、可见性、依赖方向和测试目录按架构文档执行，使用现有 Rustfmt 与 Clippy 配置。
+- AI 进行 Rust 开发时，加载并使用 `$rust-best-practices` 技能。模块、可见性、依赖方向和测试目录按架构文档执行，使用现有 Rustfmt 与 Clippy 配置。
 - Vue 使用 TypeScript、`<script setup>` 和现有 ESLint 配置；API 请求通过已有模块及 `request` 封装，沿用逐行请求配置格式。
 - 业务数据的解析、校验和展示优先复用已有逻辑。新增抽象放在拥有该职责的模块，避免重复事实源或无实际需求的通用层。
 - 新增代码注释使用中文。提交信息使用英文 Conventional Commits，参考近期历史，按完整功能归并；确由 Codex 参与的提交保留 `Co-authored-by: Codex <noreply@openai.com>`。
 - 发布说明写入 `release/notes.md`，标题首行为目标版本的 `# vX.Y.Z`，章节标题和正文使用中文；命令、配置键、协议名等保留原文。只说明本次版本的实际变化，按影响交代升级事项。
- PR 聚焦目标；无关格式化、重构和依赖升级单独处理。行为或合同变更同步到架构文档指定的文档位置，发布说明按维护者的发布安排更新。
+- PR 聚焦目标；无关格式化、重构和依赖升级单独处理。
+
+## 文档职责与更新条件
+
+常规文档说明当前有效的用法、接口合同、模块职责和维护约束，不承担变更历史。
+只有改动使对应说明失真、缺少必要信息，或改变读者需要执行的操作与判断时，才更新文档。
+内部修复、重构和界面微调不默认附带文档改动；审查时不能仅因 PR 没改文档就判定存在缺口。
+
+- 按 [开发指南的文档入口](.agents/skills/dev-guide/SKILL.md#按任务读取) 找到内容所属文档，在原有章节就地修订，
+  不按每次变更追加说明。同一事实只保留一处完整说明，其他文档按读者任务提供必要摘要和链接。
+- API 文档保留调用所需的字段、状态、语义和限制；架构文档保留职责与不变量；部署文档保留配置、操作和排障。
+  不把界面布局、内部锁或索引实现写进接口说明，也不把前端库的实现选择写进部署说明。
+- 改动原因、前后对比、排查经过和本次验证结果放在 PR / Issue 或任务报告。版本变更与升级影响按维护者的发版安排维护
+  `release/notes.md`，不为普通开发任务或 PR 自动追加发布说明。
+- 仍影响实际升级、恢复或兼容使用的限制与操作应保留，并注明适用条件；不能仅因涉及旧版就删除。
+  审查文档改动时核对必要性、所属职责与重复内容，区分当前使用说明和仅解释此次修复的内容。

 ## 界面验证

+AI 进行前端开发时，加载并使用 `$frontend-design` 技能。设计方案以本项目的用户任务、[管理端主题](docs/theme.md) 和已有组件为依据，在任务范围内改进布局、视觉与交互。
+
 开发前查找同类页面及 `components/base` 中的基础组件，优先使用已有主题 Token、交互和数据展示逻辑。需要扩展时在对应职责层修改；局部样式的适用范围遵循主题文档，不一律禁止，也不靠页面覆盖掩盖共用组件的问题。

 列表列宽、序号、按钮、分页和弹窗尺寸由实际任务与数据规模决定，以同类页面为参照。新增或调整交互时说明用户需要完成什么操作，不把某个页面的取舍推广成全局禁令。
@@ -113,7 +130,7 @@ pnpm --dir frontend build
 git diff --check
 ```

-`build` 已包含类型检查；按当前架构约定，不维护独立前端测试代码。后端的工具链、命令与线程栈设置统一见 [修改与验收](docs/architecture.md#12-修改与验收)。
+`build` 已包含类型检查；不维护独立前端测试代码。后端的工具链、命令与线程栈设置统一见 [修改与验收](docs/architecture.md#12-修改与验收)。

 依赖 PostgreSQL / Redis 的测试使用 [专用测试环境](backend/migrations/README.md#本地测试库)，未配置导致跳过时明确记录。CI 中已有对应服务和检查，见 [质量工作流](.github/workflows/_quality.yml) 与 [安全扫描](.github/workflows/security-scan.yml)。

@@ -5,7 +5,7 @@

 # Codex Proxy RS

-面向 Codex 的自托管多账号 AI 网关。
+面向 Codex 的自托管多账号 AI 网关

 [![CI](https://github.com/zyycn/codex-proxy-rs/actions/workflows/ci.yml/badge.svg)](https://github.com/zyycn/codex-proxy-rs/actions/workflows/ci.yml)
 [![Release](https://img.shields.io/github/v/release/zyycn/codex-proxy-rs?display_name=tag&sort=semver&style=flat-square)](https://github.com/zyycn/codex-proxy-rs/releases)
@@ -21,30 +21,31 @@

 ## 快速开始

-使用 Docker Compose 部署发布镜像 `ghcr.io/zyycn/codex-proxy-rs:latest`，同时启动 PostgreSQL 和 Redis。
+使用 Docker Compose 部署版本固定的发布镜像，同时启动 PostgreSQL 和 Redis。
 以下命令适用于 Linux amd64/arm64，需要 Docker Engine、Docker Compose Plugin、curl 和 OpenSSL。已有部署请先看
 [升级说明](deploy/README.md#镜像升级与源码构建)，不要覆盖原配置。

 ### 1. 下载部署文件并配置

 ```bash
-mkdir -p codex-proxy-rs/deploy
-cd codex-proxy-rs
+mkdir -p codex-proxy-rs/deploy && cd codex-proxy-rs

-curl -fsSL https://raw.githubusercontent.com/zyycn/codex-proxy-rs/main/deploy/compose.yaml \
+# 只解析一次最新正式版本，确保两个文件来自同一 Release。
+CPR_RELEASE_URL="$(curl -fsSL -o /dev/null -w '%{url_effective}' https://github.com/zyycn/codex-proxy-rs/releases/latest)"
+CPR_RELEASE_TAG="${CPR_RELEASE_URL##*/}"
+curl -fsSL "https://github.com/zyycn/codex-proxy-rs/releases/download/${CPR_RELEASE_TAG}/compose.yaml" \
  -o deploy/compose.yaml
-curl -fsSL https://raw.githubusercontent.com/zyycn/codex-proxy-rs/main/deploy/config.example.yaml \
+curl -fsSL "https://github.com/zyycn/codex-proxy-rs/releases/download/${CPR_RELEASE_TAG}/config.example.yaml" \
  -o deploy/config.example.yaml

-mkdir -p .runtime/data .runtime/logs
 install -d -m 0750 .runtime/postgres .runtime/redis
-cp deploy/config.example.yaml deploy/config.yaml
-sudo chown "$(id -u):10001" deploy/config.yaml
-chmod 0640 deploy/config.yaml
-sudo chown -R "$(id -u):10001" .runtime/data .runtime/logs
-chmod 0770 .runtime/data .runtime/logs
+sudo install -d -m 0770 -o "$(id -u)" -g 10001 .runtime/data .runtime/logs
+sudo install -m 0640 -o "$(id -u)" -g 10001 deploy/config.example.yaml deploy/config.yaml
 ```

+也可将 `CPR_RELEASE_TAG` 设置为指定的发布标签。Release 附带的 `compose.yaml` 默认使用该版本镜像，
+配置模板和部署文件均包含在 `checksums.txt` 中；不要混用 `main` 分支模板与已发布镜像。
+
 分别生成数据库和 Redis 密码：

 ```bash
@@ -60,8 +61,6 @@ openssl rand -hex 24
 | `store.redis.password` | 第二个生成的 48 位十六进制密码 |
 | `admin.default_password` | 管理员初始密码，至少 12 位，不能包含 `$` |

-不需要创建 `.env`。管理员初始密码只在首次创建账号时使用。
-
 ### 2. 启动服务

 ```bash
@@ -79,7 +78,7 @@ curl -i http://127.0.0.1:8080/healthz

 ### 3. 添加账号与客户端密钥

-1. 在「账号」中添加 OpenAI 或 xAI 账号，完成授权或导入。
+1. 在「账号」中添加账号，完成授权或导入。
 2. 按需建立账号分组，再创建客户端密钥并选择可用分组。**不选分组表示可使用全部账号**。
 3. 打开密钥的「使用密钥」，复制客户端配置。

@@ -93,7 +92,7 @@ curl -i http://127.0.0.1:8080/healthz
 | 配置 | 值 |
 | --- | --- |
 | Base URL | `http://127.0.0.1:8080/v1`；远程接入使用服务器的 HTTPS 地址 |
-| API Key | 管理端创建的 `sk_...` 客户端密钥 |
+| API Key | 管理端创建的客户端密钥 |

 可用模型以该密钥查询到的模型列表为准：

@@ -116,7 +116,7 @@ checksum = "82f6aeea286b8eb4dd3431a1be1b59d290ace00f5bfd8e2a159bc2a05e2c1667"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 3.0.4",
+ "syn 3.0.5",
 ]

 [[package]]
@@ -154,9 +154,9 @@ dependencies = [

 [[package]]
 name = "aws-lc-rs"
-version = "1.18.1"
+version = "1.16.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b281d307588d634de920874890732659e2e7672f72b5e10e81badc1a8a83621e"
+checksum = "a054912289d18629dc78375ba2c3726a3afe3ff71b4edba9dedfca0e3446d1fc"
 dependencies = [
 "aws-lc-sys",
 "untrusted 0.7.1",
@@ -165,22 +165,21 @@ dependencies = [

 [[package]]
 name = "aws-lc-sys"
-version = "0.45.0"
+version = "0.39.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9bff6c3b54fad79a2e60b8102caf565819711497c1f5f092f49508e2f5c31b27"
+checksum = "1fa7e52a4c5c547c741610a2c6f123f3881e409b714cd27e6798ef020c514f0a"
 dependencies = [
 "cc",
 "cmake",
 "dunce",
 "fs_extra",
- "pkg-config",
 ]

 [[package]]
 name = "aws-runtime"
-version = "1.9.1"
+version = "1.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c9007227e10b5fed2f3e0a2beff489211e2b5604c400b7a9d5d81ca9d64c24bb"
+checksum = "ef47857a1d4488b528f4a5d5715fa7c3300820897824152234d3fa22b1426657"
 dependencies = [
 "aws-credential-types",
 "aws-sigv4",
@@ -206,9 +205,9 @@ dependencies = [

 [[package]]
 name = "aws-sdk-s3"
-version = "1.144.0"
+version = "1.146.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "30dc8bf6baaf7d46336a0ca2c69f223d9b90d7a801fb3e28f7ea17b00dc6b1de"
+checksum = "37b5ffaae346b9bd486ebdc3eb7053ec8ab8a1ad0f19a332eefeff036ed559e6"
 dependencies = [
 "arc-swap",
 "aws-credential-types",
@@ -479,9 +478,9 @@ dependencies = [

 [[package]]
 name = "aws-types"
-version = "1.5.0"
+version = "1.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "eec1cd5469f328c782dc3e33d4153cf118a54e33cbb3356d60d16f89883e1f94"
+checksum = "209f3a6d82a6e9e5f94abbed94c7a26e1c052341002bf57a5fb5481f625896fc"
 dependencies = [
 "aws-credential-types",
 "aws-smithy-async",
@@ -709,6 +708,7 @@ checksum = "a6139a8597ed92cf816dfb33f5dd6cf0bb93a6adc938f11039f371bc5bcd26c3"
 dependencies = [
 "chrono",
 "phf 0.12.1",
+ "serde",
 ]

 [[package]]
@@ -740,7 +740,7 @@ dependencies = [
 "provider-xai",
 "serde",
 "serde_json",
- "syn 3.0.4",
+ "syn 3.0.5",
 "tempfile",
 "thiserror",
 "tokio",
@@ -749,9 +749,9 @@ dependencies = [

 [[package]]
 name = "combine"
-version = "4.6.7"
+version = "4.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ba5a308b75df32fe02788e748662718f03fde005016435c444eea572398219fd"
+checksum = "cfc320937d09e6de266b31b9afb480f197d7a861be86be7cb2ea7e5d1bfffc5e"
 dependencies = [
 "bytes",
 "futures-core",
@@ -808,6 +808,16 @@ dependencies = [
 "url",
 ]

+[[package]]
+name = "core-foundation"
+version = "0.9.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "91e195e091a93c46f7102ec7818a2aa394e1e1771c3ab4825963fa03e45afb8f"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "core-foundation"
 version = "0.10.1"
@@ -1192,7 +1202,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "39cab71617ae0d63f51a36d69f866391735b51691dbda63cf6f96d042b63efeb"
 dependencies = [
 "libc",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]

 [[package]]
@@ -1291,6 +1301,21 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "77ce24cb58228fbb8aa041425bb1050850ac19177686ea6e0f41a70416f56fdb"

+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+dependencies = [
+ "foreign-types-shared",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+
 [[package]]
 name = "form_urlencoded"
 version = "1.2.2"
@@ -1383,7 +1408,7 @@ checksum = "9fb9654ba8355388abeb8dcb4fc62f511300867002afc858860463bdd9fe0c44"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 3.0.4",
+ "syn 3.0.5",
 ]

 [[package]]
@@ -1879,6 +1904,22 @@ dependencies = [
 "tower-service",
 ]

+[[package]]
+name = "hyper-tls"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "70206fc6890eaca9fde8a0bf71caa2ddfc9fe045ac9e5c70df101a7dbde866e0"
+dependencies = [
+ "bytes",
+ "http-body-util",
+ "hyper",
+ "hyper-util",
+ "native-tls",
+ "tokio",
+ "tokio-native-tls",
+ "tower-service",
+]
+
 [[package]]
 name = "hyper-util"
 version = "0.1.20"
@@ -1896,9 +1937,11 @@ dependencies = [
 "percent-encoding",
 "pin-project-lite",
 "socket2",
+ "system-configuration",
 "tokio",
 "tower-service",
 "tracing",
+ "windows-registry",
 ]

 [[package]]
@@ -2236,6 +2279,23 @@ dependencies = [
 "windows-sys 0.61.2",
 ]

+[[package]]
+name = "native-tls"
+version = "0.2.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "87de3442987e9dbec73158d5c715e7ad9072fda936bb03d19d7fa10e00520f0e"
+dependencies = [
+ "libc",
+ "log",
+ "openssl",
+ "openssl-probe 0.1.6",
+ "openssl-sys",
+ "schannel",
+ "security-framework 2.11.1",
+ "security-framework-sys",
+ "tempfile",
+]
+
 [[package]]
 name = "new_debug_unreachable"
 version = "1.0.6"
@@ -2291,12 +2351,66 @@ version = "1.21.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "9f7c3e4beb33f85d45ae3e3a1792185706c8e16d043238c593331cc7cd313b50"

+[[package]]
+name = "openssl"
+version = "0.10.75"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "08838db121398ad17ab8531ce9de97b244589089e290a384c900cb9ff7434328"
+dependencies = [
+ "bitflags",
+ "cfg-if",
+ "foreign-types",
+ "libc",
+ "once_cell",
+ "openssl-macros",
+ "openssl-sys",
+]
+
+[[package]]
+name = "openssl-macros"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a948666b637a0f465e8564c73e89d4dde00d72d4d473cc972f390fc3dcee7d9c"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn 2.0.119",
+]
+
+[[package]]
+name = "openssl-probe"
+version = "0.1.6"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d05e27ee213611ffe7d6348b942e8f942b37114c00cc03cec254295a4a17852e"
+
 [[package]]
 name = "openssl-probe"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7c87def4c32ab89d880effc9e097653c8da5d6ef28e6b539d313baaacfbafcbe"

+[[package]]
+name = "openssl-src"
+version = "300.6.1+3.6.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "46eb8fb9fb3b61ce1c0f8a026c4c1a0714d3a9e138e7fbde78753ce2babc3846"
+dependencies = [
+ "cc",
+]
+
+[[package]]
+name = "openssl-sys"
+version = "0.9.111"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "82cab2d520aa75e3c58898289429321eb788c3106963d0dc886ec7a5f4adc321"
+dependencies = [
+ "cc",
+ "libc",
+ "openssl-src",
+ "pkg-config",
+ "vcpkg",
+]
+
 [[package]]
 name = "outref"
 version = "0.5.2"
@@ -2604,6 +2718,7 @@ dependencies = [
 "base64 0.23.1",
 "bytes",
 "chrono",
+ "chrono-tz",
 "cookie",
 "flate2",
 "futures",
@@ -2615,6 +2730,9 @@ dependencies = [
 "hyper",
 "hyper-rustls",
 "hyper-util",
+ "native-tls",
+ "openssl",
+ "openssl-sys",
 "reqwest",
 "roxmltree",
 "rustls",
@@ -2741,7 +2859,7 @@ dependencies = [
 "once_cell",
 "socket2",
 "tracing",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]

 [[package]]
@@ -2840,9 +2958,9 @@ dependencies = [

 [[package]]
 name = "redis"
-version = "1.6.0"
+version = "1.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e37a4ca5c6ca42aa3e6df2fd32b987a65d32a4c2159a6f3fe0fd1df306a2658f"
+checksum = "2acbc41a996f7652b2ddd9dfd98cc4ff602cfd742ae35382f07f608405ab50ed"
 dependencies = [
 "arc-swap",
 "arcstr",
@@ -2919,6 +3037,7 @@ dependencies = [
 "bytes",
 "cookie",
 "cookie_store",
+ "encoding_rs",
 "futures-core",
 "futures-util",
 "h2",
@@ -2927,9 +3046,12 @@ dependencies = [
 "http-body-util",
 "hyper",
 "hyper-rustls",
+ "hyper-tls",
 "hyper-util",
 "js-sys",
 "log",
+ "mime",
+ "native-tls",
 "percent-encoding",
 "pin-project-lite",
 "quinn",
@@ -2941,6 +3063,7 @@ dependencies = [
 "serde_urlencoded",
 "sync_wrapper",
 "tokio",
+ "tokio-native-tls",
 "tokio-rustls",
 "tokio-util",
 "tower",
@@ -3011,7 +3134,7 @@ dependencies = [
 "errno",
 "libc",
 "linux-raw-sys",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]

 [[package]]
@@ -3032,21 +3155,21 @@ dependencies = [

 [[package]]
 name = "rustls-native-certs"
-version = "0.8.4"
+version = "0.8.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "dab5152771c58876a2146916e53e35057e1a4dfa2b9df0f0305b07f611fdea4d"
+checksum = "612460d5f7bea540c490b2b6395d8e34a953e52b491accd6c86c8164c5932a63"
 dependencies = [
- "openssl-probe",
+ "openssl-probe 0.2.1",
 "rustls-pki-types",
 "schannel",
- "security-framework",
+ "security-framework 3.7.0",
 ]

 [[package]]
 name = "rustls-pki-types"
-version = "1.15.1"
+version = "1.14.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f4925028c7eb5d1fcdaf196971378ed9d2c1c4efc7dc5d011256f76c99c0a96"
+checksum = "be040f8b0a225e40375822a563fa9524378b9d63112f53e19ffff34df5d33fdd"
 dependencies = [
 "web-time",
 "zeroize",
@@ -3130,6 +3253,19 @@ dependencies = [
 "zeroize",
 ]

+[[package]]
+name = "security-framework"
+version = "2.11.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "897b2245f0b511c87893af39b033e5ca9cce68824c4d7e7630b5a1d339658d02"
+dependencies = [
+ "bitflags",
+ "core-foundation 0.9.4",
+ "core-foundation-sys",
+ "libc",
+ "security-framework-sys",
+]
+
 [[package]]
 name = "security-framework"
 version = "3.7.0"
@@ -3137,7 +3273,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b7f4bc775c73d9a02cde8bf7b2ec4c9d12743edf609006c7facc23998404cd1d"
 dependencies = [
 "bitflags",
- "core-foundation",
+ "core-foundation 0.10.1",
 "core-foundation-sys",
 "libc",
 "security-framework-sys",
@@ -3205,7 +3341,7 @@ checksum = "e7a5d71263a5a7d47b41f6b3f06ba276f10cc18b0931f1799f710578e2309348"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 3.0.4",
+ "syn 3.0.5",
 ]

 [[package]]
@@ -3663,9 +3799,9 @@ dependencies = [

 [[package]]
 name = "syn"
-version = "3.0.4"
+version = "3.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6275cddf4610d1775e6d1fe9469b2e77d0f39fd98fb7450901b821e0c53649f"
+checksum = "12df2e0110f65b775f769bb17ef989067a1d931b2eb822bd4346631eeada89f9"
 dependencies = [
 "proc-macro2",
 "quote",
@@ -3692,6 +3828,27 @@ dependencies = [
 "syn 2.0.119",
 ]

+[[package]]
+name = "system-configuration"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a13f3d0daba03132c0aa9767f98351b3488edc2c100cda2d2ec2b04f3d8d3c8b"
+dependencies = [
+ "bitflags",
+ "core-foundation 0.9.4",
+ "system-configuration-sys",
+]
+
+[[package]]
+name = "system-configuration-sys"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e1d1b10ced5ca923a1fcb8d03e96b8d3268065d724548c0211415ff6ac6bac4"
+dependencies = [
+ "core-foundation-sys",
+ "libc",
+]
+
 [[package]]
 name = "tar"
 version = "0.4.46"
@@ -3713,7 +3870,7 @@ dependencies = [
 "getrandom 0.4.3",
 "once_cell",
 "rustix",
- "windows-sys 0.52.0",
+ "windows-sys 0.61.2",
 ]

 [[package]]
@@ -3742,7 +3899,7 @@ checksum = "bc04cd3e1236dd4a98afca4569f2deb3f120e5422a4023be2cb683f8486292af"
 dependencies = [
 "proc-macro2",
 "quote",
- "syn 3.0.4",
+ "syn 3.0.5",
 ]

 [[package]]
@@ -3811,9 +3968,9 @@ checksum = "1f3ccbac311fea05f86f61904b462b55fb3df8837a366dfc601a0161d0532f20"

 [[package]]
 name = "tokio"
-version = "1.53.1"
+version = "1.52.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "202caea871b69668250d242070849eb495be178ed697a3e98aebce5bc81a0bed"
+checksum = "8fc7f01b389ac15039e4dc9531aa973a135d7a4135281b12d7c1bc79fd57fffe"
 dependencies = [
 "bytes",
 "libc",
@@ -3836,6 +3993,16 @@ dependencies = [
 "syn 2.0.119",
 ]

+[[package]]
+name = "tokio-native-tls"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbae76ab933c85776efabc971569dd6119c580d8f5d448769dec1764bf796ef2"
+dependencies = [
+ "native-tls",
+ "tokio",
+]
+
 [[package]]
 name = "tokio-rustls"
 version = "0.26.4"
@@ -4184,9 +4351,9 @@ checksum = "b6c140620e7ffbb22c2dee59cafe6084a59b5ffc27a8859a5f0d494b5d52b6be"

 [[package]]
 name = "uuid"
-version = "1.26.0"
+version = "1.26.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b5772d71c9be8a8a6ac2117d949c5b224c1b72241bb611d9a3012edcf8af7812"
+checksum = "2ef6dac1e96601b4fb3acccccff2139741fcb757cb9a36089bf5be91cfb285ce"
 dependencies = [
 "getrandom 0.4.3",
 "js-sys",
@@ -4419,6 +4586,17 @@ version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f0805222e57f7521d6a62e36fa9163bc891acd422f971defe97d64e70d0a4fe5"

+[[package]]
+name = "windows-registry"
+version = "0.6.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "02752bf7fbdcce7f2a27a742f798510f3e5ad88dbe84871e5168e2120c3d5720"
+dependencies = [
+ "windows-link",
+ "windows-result",
+ "windows-strings",
+]
+
 [[package]]
 name = "windows-result"
 version = "0.4.1"
@@ -310,6 +310,39 @@ fn config_loader_should_reject_invalid_desktop_profile_fields() {
    assert_rejected(valid_config().replace("desktop_build: '8109'", "desktop_build: 'build'"));
 }

+#[test]
+fn config_loader_should_accept_empty_and_custom_request_locations() {
+    let original = valid_config();
+    let omitted = original
+        .lines()
+        .filter(|line| !line.trim_start().starts_with("location:"))
+        .collect::<Vec<_>>()
+        .join("\n");
+    assert_ne!(original, omitted);
+    parse_config(&omitted).expect("location passthrough when omitted");
+    let location_line = original
+        .lines()
+        .find(|line| line.trim_start().starts_with("location:"))
+        .expect("example location");
+    for empty in ["    location:", "    location: null", "    location: ~"] {
+        parse_config(&original.replace(location_line, empty)).expect("empty YAML location");
+    }
+    let custom = original.replace(
+        "location: { country: 'US', region: 'Ohio', city: 'Piketon', timezone: 'America/New_York' }",
+        "location: { country: 'NZ', region: 'Auckland', city: 'Auckland', timezone: 'Pacific/Auckland' }",
+    );
+    assert_ne!(original, custom);
+    parse_config(&custom).expect("custom location from YAML");
+}
+
+#[test]
+fn config_loader_should_reject_invalid_request_location_timezones() {
+    let original = valid_config();
+    let invalid = original.replace("timezone: 'America/New_York'", "timezone: 'Not/A_Timezone'");
+    assert_ne!(original, invalid);
+    assert_rejected(invalid);
+}
+
 fn assert_rejected(config: String) {
    assert!(parse_config(&config).is_err());
 }
@@ -6,7 +6,7 @@ use chrono::{DateTime, Utc};

 use gateway_core::{
    engine::budget::{ClientBudgetLimits, ClientBudgetStatus},
-    policy::{ClientApiKeyId, RateLimits},
+    policy::{ClientApiKeyId, PlaintextClientApiKey, RateLimits},
    routing::{AccountGroupId, ProviderKind},
 };

@@ -144,6 +144,7 @@ impl fmt::Debug for ClientKeySecret {
 /// API 提交的 Client Key 创建命令。
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct CreateClientKey {
+    pub custom_key: Option<PlaintextClientApiKey>,
    pub name: String,
    pub label: Option<String>,
    pub group_ids: Vec<AccountGroupId>,
@@ -757,6 +757,24 @@ pub(crate) fn explicit_plan_type(value: Option<&str>) -> Option<&str> {
    })
 }

+/// 按需查询的订阅周期，不参与额度或账号可用性判断。
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct ProviderSubscription {
+    pub starts_at: Option<DateTime<Utc>>,
+    pub expires_at: DateTime<Utc>,
+    pub will_renew: Option<bool>,
+    pub billing_period: Option<String>,
+    pub billing_currency: Option<String>,
+    pub observed_at: DateTime<Utc>,
+}
+
+/// 按需汇聚的个人信息；资料查询失败不丢弃可用的订阅结果。
+#[derive(Debug, Clone, PartialEq)]
+pub struct AccountPersonalInfo {
+    pub profile: Result<ProviderProfileStatistics, AdminError>,
+    pub subscription: Option<ProviderSubscription>,
+}
+
 /// Provider 官方个人资料中的累计摘要。
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct ProviderProfileStatisticsSummary {
@@ -26,7 +26,6 @@ pub struct AccountQuotaForecast {
    pub low_sample: bool,
    pub incomplete_cost: bool,
    pub incomplete_tokens: bool,
-    pub method: QuotaForecastMethod,
    pub estimated_tokens: Option<u64>,
    pub estimated_usd: Option<f64>,
    /// 剩余估算始终属于源窗口，不随目标周期折算。
@@ -36,30 +35,12 @@ pub struct AccountQuotaForecast {

 #[derive(Debug, Clone, PartialEq)]
 pub struct QuotaForecastSource {
-    pub key: String,
    pub label: String,
-    pub window_seconds: u64,
    pub used_percent: Option<f64>,
    pub observed_at: Option<DateTime<Utc>>,
-    pub start_at: Option<DateTime<Utc>>,
    pub reset_at: DateTime<Utc>,
-    pub request_count: u64,
    pub tokens: Option<u64>,
-    pub input_tokens: Option<u64>,
-    pub output_tokens: Option<u64>,
-    pub cached_tokens: Option<u64>,
-    pub known_cost_count: u64,
-    pub partial_cost_count: u64,
-    pub unavailable_cost_count: u64,
    pub usd: Option<f64>,
-    pub sample_start_at: Option<DateTime<Utc>>,
-    pub baseline_percent: f64,
-    pub sampled_percent: Option<f64>,
-    pub block_count: usize,
-    pub observation_count: usize,
-    pub missing_token_count: u64,
-    pub excluded_request_count: u64,
-    pub pending_request_count: u64,
 }

 /// 优先预测真实的对应窗口；缺少对应周期时只给出明确标识的 7/30 天容量折算。
@@ -88,7 +69,6 @@ pub fn account_quota_forecasts(
            low_sample: false,
            incomplete_cost: false,
            incomplete_tokens: false,
-            method: QuotaForecastMethod::Cumulative,
            estimated_tokens: None,
            estimated_usd: None,
            remaining_tokens: None,
@@ -138,30 +118,12 @@ impl AccountQuotaForecast {
            .and_then(Duration::try_seconds)
            .and_then(|duration| reset_at.checked_sub_signed(duration));
        self.source = Some(QuotaForecastSource {
-            key: window.key.clone(),
            label: window.label.clone(),
-            window_seconds: seconds,
            used_percent: percent,
            observed_at,
-            start_at: start,
            reset_at,
-            request_count: usage.map_or(0, |usage| usage.request_count),
            tokens: usage.map(|usage| usage.tokens),
-            input_tokens: usage.map(|usage| usage.input_tokens),
-            output_tokens: usage.map(|usage| usage.output_tokens),
-            cached_tokens: usage.map(|usage| usage.cached_tokens),
-            known_cost_count: usage.map_or(0, |usage| usage.known_cost_count),
-            partial_cost_count: 0,
-            unavailable_cost_count: usage.map_or(0, |usage| usage.unavailable_cost_count),
            usd,
-            sample_start_at: sample.map(|sample| sample.start_at),
-            baseline_percent: sample.map_or(0.0, |sample| sample.baseline_percent),
-            sampled_percent: sample.map(|sample| sample.sampled_percent),
-            block_count: sample.map_or(0, |sample| sample.block_count),
-            observation_count: sample.map_or(0, |sample| sample.observation_count),
-            missing_token_count: usage.map_or(0, |usage| usage.missing_token_count),
-            excluded_request_count: usage.map_or(0, |usage| usage.excluded_request_count),
-            pending_request_count: sample.map_or(0, |sample| sample.pending_request_count),
        });
        self.incomplete_cost = usage.is_none_or(|usage| {
            usage.unavailable_cost_count > 0
@@ -169,7 +131,7 @@ impl AccountQuotaForecast {
                || usage.known_cost_count != usage.request_count
        });
        self.incomplete_tokens = usage.is_some_and(|usage| usage.missing_token_count > 0);
-        self.method = sample.map_or(QuotaForecastMethod::Cumulative, |sample| sample.method);
+        let method = sample.map_or(QuotaForecastMethod::Cumulative, |sample| sample.method);
        let Some(start) = start.filter(|start| *start <= now && now < reset_at) else {
            self.unavailable_reason = Some("额度窗口已过期或边界无效，请刷新账号额度后重试。");
            return;
@@ -183,7 +145,7 @@ impl AccountQuotaForecast {
                Some("额度观测出现回落或累计记录不连续，正在重新积累配对样本。");
            return;
        }
-        if account_added_at > start && self.method == QuotaForecastMethod::Cumulative {
+        if account_added_at > start && method == QuotaForecastMethod::Cumulative {
            self.unavailable_reason = Some(
                "本周期开始时的记录不完整，正在积累至少 5 个百分点的配对观测，无需等待下次重置。",
            );
@@ -210,23 +172,20 @@ impl AccountQuotaForecast {
            return;
        };
        self.low_sample = sample.sampled_percent < LOW_SAMPLE_PERCENT
-            || (self.method == QuotaForecastMethod::Incremental && sample.block_count < 2);
+            || (method == QuotaForecastMethod::Incremental && sample.block_count < 2);
+        // 漏记和个别缺失只影响精度，仍按已记录数值估算，不按请求数补齐未知消耗。
        // 预测是近似展示值；不复用为账单金额，也不把月折算当成自然月或额外余额。
        let capacity_factor = 100.0 / sample.sampled_percent;
        let factor = capacity_factor * self.target_seconds as f64 / seconds as f64;
-        let tokens = Some(usage.tokens).filter(|tokens| *tokens > 0 && !self.incomplete_tokens);
+        let tokens = Some(usage.tokens).filter(|tokens| *tokens > 0);
        self.estimated_tokens = tokens.and_then(|value| estimate_tokens(value, factor));
-        self.estimated_usd = usd
-            .filter(|_| !self.incomplete_cost)
-            .and_then(|value| estimate(value, factor));
+        self.estimated_usd = usd.and_then(|value| estimate(value, factor));
        let remaining_factor = (100.0 - percent) / sample.sampled_percent;
        self.remaining_tokens = tokens.and_then(|value| estimate_tokens(value, remaining_factor));
-        self.remaining_usd = usd
-            .filter(|_| !self.incomplete_cost)
-            .and_then(|value| estimate(value, remaining_factor));
+        self.remaining_usd = usd.and_then(|value| estimate(value, remaining_factor));
        self.unavailable_reason = if self.estimated_tokens.is_none() && self.estimated_usd.is_none()
        {
-            Some("本周期缺少可用的 Token 或完整费用记录，暂时无法预测额度。")
+            Some("本周期暂无可用于估算的 Token 或费用数据，请积累用量后重试。")
        } else {
            None
        };
@@ -89,16 +89,6 @@ pub enum QuotaForecastMethod {
    Incremental,
 }

-impl QuotaForecastMethod {
-    #[must_use]
-    pub const fn as_str(self) -> &'static str {
-        match self {
-            Self::Cumulative => "cumulative",
-            Self::Incremental => "incremental",
-        }
-    }
-}
-
 #[derive(Debug, Clone)]
 pub struct QuotaForecastSample {
    pub key: String,
@@ -19,7 +19,7 @@ use crate::model::provider_credentials::{
    PrepareCredentialRotation, PreparedAuthorizationCommit, PreparedCredentialImport,
    PreparedCredentialRotation, ProviderExport, ProviderExportCredentialInput, ProviderModels,
    ProviderProfileAvatar, ProviderProfileStatistics, ProviderQuota, ProviderQuotaRequest,
-    ProviderResetCreditResult, ProviderResetCredits, explicit_plan_type,
+    ProviderResetCreditResult, ProviderResetCredits, ProviderSubscription, explicit_plan_type,
 };
 use crate::model::{
    provider_credentials::{ProviderDocument, ProviderQuotaWindow},
@@ -185,6 +185,14 @@ pub trait ProviderAdmin: Send + Sync {
    }

    /// 查询 Provider 官方个人资料统计；不支持该能力的 Provider 使用默认拒绝。
+    /// 只由个人信息显式查询，不在额度刷新或后台任务中预取。
+    async fn subscription(
+        &self,
+        _account_id: &ProviderAccountId,
+    ) -> Result<Option<ProviderSubscription>, ProviderAdminError> {
+        Err(ProviderAdminError::new(ProviderAdminErrorKind::Unsupported))
+    }
+
    async fn profile_statistics(
        &self,
        _account_id: &ProviderAccountId,
@@ -44,6 +44,7 @@ pub enum AdminStoreErrorKind {
    Invalid,
    NotFound,
    StaleRevision,
+    DuplicateName,
    Conflict,
    Unavailable,
 }
@@ -22,9 +22,9 @@ use crate::{
        },
        observability::TimeRange,
        provider_credentials::{
-            AccountDirectoryItem, AccountDirectoryPage, AccountExportBundle, AccountRefreshResult,
-            ConsumeProviderResetCredit, PrepareCredentialRefresh, ProviderModels,
-            ProviderProfileAvatar, ProviderProfileStatistics, ProviderQuota, ProviderQuotaRequest,
+            AccountDirectoryItem, AccountDirectoryPage, AccountExportBundle, AccountPersonalInfo,
+            AccountRefreshResult, ConsumeProviderResetCredit, PrepareCredentialRefresh,
+            ProviderModels, ProviderProfileAvatar, ProviderQuota, ProviderQuotaRequest,
            ProviderQuotaWindow, ProviderResetCreditResult, ProviderResetCredits,
            QuotaLocalUsageAttribution,
        },
@@ -90,11 +90,11 @@ pub trait AccountsService: Send + Sync {
        account_id: &ProviderAccountId,
    ) -> Result<AccountQuotaForecastReport, AdminError>;

-    async fn profile_statistics(
+    async fn personal_info(
        &self,
        _account_id: &ProviderAccountId,
-    ) -> Result<ProviderProfileStatistics, AdminError> {
-        Err(AdminError::invalid("当前 Provider 不支持账号统计"))
+    ) -> Result<AccountPersonalInfo, AdminError> {
+        Err(AdminError::invalid("当前 Provider 不支持个人信息"))
    }

    async fn profile_avatar(
@@ -680,15 +680,36 @@ impl AccountsService for DefaultAccountsService {
        })
    }

-    async fn profile_statistics(
+    async fn personal_info(
        &self,
        account_id: &ProviderAccountId,
-    ) -> Result<ProviderProfileStatistics, AdminError> {
-        let (_, provider) = self.provider_for_account(account_id).await?;
-        provider
-            .profile_statistics(account_id)
-            .await
-            .map_err(|error| map_provider_error(error, "provider profile statistics"))
+    ) -> Result<AccountPersonalInfo, AdminError> {
+        let (initial, provider) = self.provider_for_account(account_id).await?;
+        // 两项读取相互独立；不因其中一项失败而取消另一项，也不触发凭据或额度刷新。
+        let (profile, subscription) = futures::join!(
+            provider.profile_statistics(account_id),
+            provider.subscription(account_id),
+        );
+        let profile =
+            profile.map_err(|error| map_provider_error(error, "provider profile statistics"));
+        let subscription = subscription
+            .map_err(|error| map_provider_error(error, "provider subscription"))
+            .ok()
+            .flatten();
+
+        // 汇聚等待期间发生重新授权、换绑或删除时，不返回混合身份的数据。
+        let current = self.load_account(account_id).await?;
+        if current.account.provider_kind != initial.account.provider_kind
+            || current.account.credential_revision != initial.account.credential_revision
+            || current.account.upstream_user_id != initial.account.upstream_user_id
+            || current.account.upstream_account_id != initial.account.upstream_account_id
+        {
+            return Err(AdminError::conflict("账号身份已变化，请刷新信息后重试"));
+        }
+        Ok(AccountPersonalInfo {
+            profile,
+            subscription,
+        })
    }

    async fn profile_avatar(
@@ -18,7 +18,7 @@ use crate::{
            DeleteClientKey, NewClientKey, SetClientKeyEnabled, UpdateClientKey,
        },
    },
-    ports::store::ClientKeyStore,
+    ports::store::{AdminStoreError, AdminStoreErrorKind, ClientKeyStore},
 };

 use super::{map_store_error, publish_committed};
@@ -87,9 +87,13 @@ impl ClientKeyService for DefaultClientKeyService {
    ) -> Result<CreatedClientKey, AdminError> {
        let id = ClientApiKeyId::new(format!("key_{}", Uuid::now_v7().simple()))
            .map_err(|_| AdminError::internal("创建 Client API Key ID 失败"))?;
-        let mut bytes = [0_u8; 32];
-        OsRng.fill_bytes(&mut bytes);
-        let plaintext = format!("sk_{}", URL_SAFE_NO_PAD.encode(bytes));
+        let plaintext = if let Some(key) = command.custom_key {
+            key.expose_for_auth().to_owned()
+        } else {
+            let mut bytes = [0_u8; 32];
+            OsRng.fill_bytes(&mut bytes);
+            format!("sk_{}", URL_SAFE_NO_PAD.encode(bytes))
+        };
        let (config_revision, record) = self
            .store
            .create_client_key(
@@ -105,7 +109,7 @@ impl ClientKeyService for DefaultClientKeyService {
                context,
            )
            .await
-            .map_err(|error| map_store_error(error, "client API key"))?;
+            .map_err(map_client_key_write_error)?;
        publish_committed(self.snapshot.as_ref(), config_revision).await?;
        Ok(CreatedClientKey {
            config_revision,
@@ -123,7 +127,7 @@ impl ClientKeyService for DefaultClientKeyService {
            .store
            .update_client_key(command, context)
            .await
-            .map_err(|error| map_store_error(error, "client API key"))?;
+            .map_err(map_client_key_write_error)?;
        publish_committed(self.snapshot.as_ref(), config_revision).await?;
        Ok(ClientKeyMutation {
            config_revision,
@@ -171,6 +175,14 @@ impl ClientKeyService for DefaultClientKeyService {
    }
 }

+fn map_client_key_write_error(error: AdminStoreError) -> AdminError {
+    match error.kind() {
+        AdminStoreErrorKind::DuplicateName => AdminError::conflict("名称已存在"),
+        AdminStoreErrorKind::Conflict => AdminError::conflict("API Key 已存在，请使用其他密钥"),
+        _ => map_store_error(error, "client API key"),
+    }
+}
+
 fn validate_cursor(query: &ClientKeyListQuery) -> Result<(), AdminError> {
    let Some(cursor) = &query.cursor else {
        return Ok(());
@@ -42,9 +42,9 @@ fn map_store_error(error: AdminStoreError, resource: &'static str) -> AdminError
    let kind = match error.kind() {
        AdminStoreErrorKind::Invalid => AdminErrorKind::Invalid,
        AdminStoreErrorKind::NotFound => AdminErrorKind::NotFound,
-        AdminStoreErrorKind::StaleRevision | AdminStoreErrorKind::Conflict => {
-            AdminErrorKind::Conflict
-        }
+        AdminStoreErrorKind::StaleRevision
+        | AdminStoreErrorKind::DuplicateName
+        | AdminStoreErrorKind::Conflict => AdminErrorKind::Conflict,
        AdminStoreErrorKind::Unavailable => AdminErrorKind::Unavailable,
    };
    tracing::warn!(resource, error_kind = ?error.kind(), "admin store operation failed");
@@ -129,8 +129,8 @@ fn forecasts_use_actual_periods_and_do_not_extrapolate_remaining_capacity() {
 #[test]
 fn corresponding_actual_window_takes_priority_and_retains_its_duration() {
    let [week, month] = forecast(&quota(vec![window("month", 31), window("week", 7)]));
-    assert_eq!(week.source.unwrap().key, "week");
-    assert_eq!(month.source.unwrap().key, "month");
+    assert_eq!(week.source.unwrap().label, "week");
+    assert_eq!(month.source.unwrap().label, "month");
    assert!(!month.extrapolated);
    assert_eq!(month.target_seconds, 31 * 86_400);
    assert_eq!(month.estimated_tokens, Some(5_000));
@@ -241,21 +241,22 @@ fn incremental_sample_supports_mid_cycle_accounts_and_remaining_uses_current_per
    assert_eq!(week.estimated_tokens, Some(10_000));
    assert_eq!(week.remaining_tokens, Some(8_000));
    assert_eq!(month.remaining_tokens, Some(8_000));
-    assert_eq!(week.method, QuotaForecastMethod::Incremental);
+    assert!(week.unavailable_reason.is_none());
    assert!(!week.low_sample);
 }

 #[test]
-fn missing_tokens_suppress_token_estimates_without_discarding_complete_costs() {
+fn missing_tokens_keep_estimates_from_recorded_usage() {
    let source = quota(vec![window("week", 7)]);
    let mut sample = samples(&source).remove(0);
    sample.usage.missing_token_count = 1;
    let [week, _] = account_quota_forecasts(&source, now() - Duration::days(60), now(), &[sample]);
    assert!(week.incomplete_tokens);
-    assert_eq!(week.estimated_tokens, None);
-    assert_eq!(week.remaining_tokens, None);
+    assert!(week.unavailable_reason.is_none());
+    assert_eq!(week.estimated_tokens, Some(5_000));
+    assert_eq!(week.remaining_tokens, Some(4_000));
    assert_eq!(week.estimated_usd, Some(10.0));
-    assert_eq!(week.source.unwrap().missing_token_count, 1);
+    assert_eq!(week.source.unwrap().tokens, Some(1_000));
 }

 #[test]
@@ -269,7 +270,7 @@ fn discontinuous_samples_never_fall_back_to_cumulative_predictions() {
 }

 #[test]
-fn partial_or_unknown_costs_suppress_only_money_estimates() {
+fn partial_costs_keep_estimates_from_known_amounts() {
    for coverage in [
        CostCoverage {
            calculated_count: 9,
@@ -281,19 +282,77 @@ fn partial_or_unknown_costs_suppress_only_money_estimates() {
            unavailable_count: 1,
            ..Default::default()
        },
-        CostCoverage::default(),
    ] {
        let mut sample = window("week", 7);
        sample.local_usage.as_mut().unwrap().cost_coverage = coverage;
        let [week, _] = forecast(&quota(vec![sample]));
        assert!(week.incomplete_cost);
        assert!(week.unavailable_reason.is_none());
-        assert!(week.estimated_usd.is_none());
-        assert!(week.remaining_usd.is_none());
+        assert_eq!(week.estimated_usd, Some(10.0));
+        assert_eq!(week.remaining_usd, Some(8.0));
        assert_eq!(week.estimated_tokens, Some(5_000));
    }
 }

+#[test]
+fn missing_tokens_and_costs_do_not_block_recorded_capacity_or_remaining_estimates() {
+    let source = quota(vec![window("week", 7)]);
+    let mut sample = samples(&source).remove(0);
+    // 完整请求之外混有缺少计量的成功请求，不把已有用量和费用一并作废。
+    sample.usage.request_count += 2;
+    sample.usage.missing_token_count = 2;
+    sample.usage.unavailable_cost_count = 2;
+    sample.usage.excluded_request_count = 1;
+    sample.pending_request_count = 1;
+    let [week, month] =
+        account_quota_forecasts(&source, now() - Duration::days(60), now(), &[sample]);
+    assert!(week.incomplete_tokens);
+    assert!(week.incomplete_cost);
+    assert!(week.unavailable_reason.is_none());
+    assert_eq!(week.estimated_tokens, Some(5_000));
+    assert_eq!(week.estimated_usd, Some(10.0));
+    assert_eq!(week.remaining_tokens, Some(4_000));
+    assert_eq!(week.remaining_usd, Some(8.0));
+    assert_eq!(month.estimated_tokens, Some(21_429));
+    assert_eq!(month.remaining_tokens, week.remaining_tokens);
+    assert_eq!(month.remaining_usd, week.remaining_usd);
+}
+
+#[test]
+fn entirely_unknown_costs_leave_only_money_estimates_unavailable() {
+    let mut sample = window("week", 7);
+    let usage = sample.local_usage.as_mut().unwrap();
+    usage.cost_coverage = CostCoverage {
+        unavailable_count: usage.request_count,
+        ..Default::default()
+    };
+    usage.costs.clear();
+    let [week, _] = forecast(&quota(vec![sample]));
+    assert!(week.incomplete_cost);
+    assert!(week.unavailable_reason.is_none());
+    assert_eq!(week.estimated_tokens, Some(5_000));
+    assert_eq!(week.estimated_usd, None);
+    assert_eq!(week.remaining_usd, None);
+}
+
+#[test]
+fn entirely_unknown_tokens_and_costs_do_not_invent_zero_estimates() {
+    let source = quota(vec![window("week", 7)]);
+    let mut sample = samples(&source).remove(0);
+    sample.usage = QuotaForecastUsage {
+        request_count: 2,
+        missing_token_count: 2,
+        unavailable_cost_count: 2,
+        ..Default::default()
+    };
+    let [week, _] = account_quota_forecasts(&source, now() - Duration::days(60), now(), &[sample]);
+    assert!(week.unavailable_reason.is_some());
+    assert_eq!(week.estimated_tokens, None);
+    assert_eq!(week.estimated_usd, None);
+    assert_eq!(week.remaining_tokens, None);
+    assert_eq!(week.remaining_usd, None);
+}
+
 #[test]
 fn zero_known_cost_is_valid_but_missing_usd_is_not_invented() {
    let mut sample = window("week", 7);
@@ -38,8 +38,10 @@ use gateway_admin::{
            PrepareCredentialRefresh, PrepareCredentialRotation, PreparedAuthorizationCommit,
            PreparedAuthorizationCredential, PreparedCredentialCreate, PreparedCredentialImport,
            PreparedCredentialRotation, PreparedCredentialRotationFacts, ProviderDocument,
-            ProviderExport, ProviderExportCredentialInput, ProviderModels, ProviderQuota,
-            ProviderQuotaRequest, ProviderQuotaWindow, ProviderResetCreditResult,
+            ProviderExport, ProviderExportCredentialInput, ProviderModels,
+            ProviderProfileActivityInsights, ProviderProfileStatistics,
+            ProviderProfileStatisticsSummary, ProviderQuota, ProviderQuotaRequest,
+            ProviderQuotaWindow, ProviderResetCreditResult, ProviderSubscription,
            QuotaLocalUsageAttribution,
        },
        quota_forecast_sampling::{QuotaForecastHistory, QuotaForecastUsage},
@@ -77,6 +79,9 @@ pub(super) struct FakeProviderAdmin {
    quota_refresh_account: Mutex<Option<(Arc<FakeAccountStore>, AccountRecord)>>,
    current_credential_revision: Mutex<Revision>,
    reset_credit_commands: Mutex<Vec<ConsumeProviderResetCredit>>,
+    profile_result: Mutex<Result<ProviderProfileStatistics, ProviderAdminErrorKind>>,
+    subscription_result: Mutex<Result<Option<ProviderSubscription>, ProviderAdminErrorKind>>,
+    personal_info_barrier: Mutex<Option<Arc<tokio::sync::Barrier>>>,
 }

 impl FakeProviderAdmin {
@@ -97,6 +102,9 @@ impl FakeProviderAdmin {
            quota_refresh_account: Mutex::new(None),
            current_credential_revision: Mutex::new(revision(1)),
            reset_credit_commands: Mutex::new(Vec::new()),
+            profile_result: Mutex::new(Ok(empty_profile_statistics())),
+            subscription_result: Mutex::new(Ok(None)),
+            personal_info_barrier: Mutex::new(None),
        })
    }

@@ -104,6 +112,14 @@ impl FakeProviderAdmin {
        *self.failure.lock().expect("provider failure") = Some(ProviderAdminError::new(kind));
    }

+    async fn wait_personal_info_queries(&self) {
+        let barrier = self.personal_info_barrier.lock().unwrap().clone();
+        if let Some(barrier) = barrier {
+            barrier.wait().await;
+            barrier.wait().await;
+        }
+    }
+
    fn fail_next_with_message(&self, kind: ProviderAdminErrorKind, message: &str) {
        *self.failure.lock().expect("provider failure") =
            Some(ProviderAdminError::new(kind).with_message(message));
@@ -237,6 +253,32 @@ impl ProviderAdmin for FakeProviderAdmin {
        &self.kind
    }

+    async fn profile_statistics(
+        &self,
+        _: &ProviderAccountId,
+    ) -> Result<ProviderProfileStatistics, ProviderAdminError> {
+        self.record("provider.profile_statistics");
+        self.wait_personal_info_queries().await;
+        self.profile_result
+            .lock()
+            .unwrap()
+            .clone()
+            .map_err(ProviderAdminError::new)
+    }
+
+    async fn subscription(
+        &self,
+        _: &ProviderAccountId,
+    ) -> Result<Option<ProviderSubscription>, ProviderAdminError> {
+        self.record("provider.subscription");
+        self.wait_personal_info_queries().await;
+        self.subscription_result
+            .lock()
+            .unwrap()
+            .clone()
+            .map_err(ProviderAdminError::new)
+    }
+
    fn plan_type_display(&self, plan_type: &str) -> String {
        format!("{} display: {plan_type}", self.kind)
    }
@@ -1825,9 +1867,7 @@ async fn quota_forecast_does_not_query_usage_without_a_current_snapshot() {

 #[tokio::test]
 async fn quota_forecast_mid_cycle_sampling_accepts_small_reset_jitter_but_not_a_changed_bucket() {
-    use gateway_admin::model::quota_forecast_sampling::{
-        QuotaForecastHistoryPoint, QuotaForecastMethod,
-    };
+    use gateway_admin::model::quota_forecast_sampling::QuotaForecastHistoryPoint;
    let now = Utc::now();
    let observed = now - TimeDelta::minutes(1);
    let reset = now + TimeDelta::days(1);
@@ -1884,7 +1924,7 @@ async fn quota_forecast_mid_cycle_sampling_accepts_small_reset_jitter_but_not_a_
        .quota_forecast(&ProviderAccountId::new("acct_test").unwrap())
        .await
        .unwrap();
-    assert_eq!(result.forecasts[0].method, QuotaForecastMethod::Incremental);
+    assert!(result.forecasts[0].unavailable_reason.is_none());
    assert_eq!(result.forecasts[0].estimated_tokens, Some(5_000));
    assert_eq!(result.forecasts[0].remaining_tokens, Some(3_000));
    assert_eq!(store.quota_window_queries()[0].range.start, added);
@@ -2431,6 +2471,167 @@ fn rotation_result(command: CredentialRotationCommit) -> CredentialMutationResul
    }
 }

+fn empty_profile_statistics() -> ProviderProfileStatistics {
+    ProviderProfileStatistics {
+        display_name: Some("Preview user".to_owned()),
+        username: None,
+        image_url: None,
+        has_stats_error: false,
+        summary: ProviderProfileStatisticsSummary {
+            total_text_tokens: Some(123),
+            peak_tokens: None,
+            longest_task_duration_ms: None,
+            current_streak_days: None,
+            longest_streak_days: None,
+        },
+        daily_usage: None,
+        activity_insights: ProviderProfileActivityInsights {
+            fast_mode_percent: None,
+            reasoning_effort: None,
+            reasoning_effort_percent: None,
+            skills_explored: None,
+            total_skills_used: None,
+            total_threads: None,
+            invocations: None,
+        },
+    }
+}
+
+fn personal_info_subscription() -> ProviderSubscription {
+    ProviderSubscription {
+        starts_at: None,
+        expires_at: Utc::now(),
+        will_renew: Some(true),
+        billing_period: Some("monthly".to_owned()),
+        billing_currency: Some("USD".to_owned()),
+        observed_at: Utc::now(),
+    }
+}
+
+#[tokio::test]
+async fn personal_info_should_query_both_parts_concurrently_once_on_every_request() {
+    let events = events();
+    let provider = FakeProviderAdmin::new("openai", events.clone());
+    let subscription = personal_info_subscription();
+    *provider.subscription_result.lock().unwrap() = Ok(Some(subscription.clone()));
+    *provider.personal_info_barrier.lock().unwrap() = Some(Arc::new(tokio::sync::Barrier::new(2)));
+    let store = FakeAccountStore::new("openai", events.clone());
+    let services = accounts_service(provider, store).await;
+    let account_id = ProviderAccountId::new("acct_test").unwrap();
+
+    for _ in 0..2 {
+        let info = tokio::time::timeout(
+            std::time::Duration::from_secs(1),
+            services.accounts().personal_info(&account_id),
+        )
+        .await
+        .expect("两项查询应并发执行")
+        .unwrap();
+        assert_eq!(info.profile.unwrap(), empty_profile_statistics());
+        assert_eq!(info.subscription, Some(subscription.clone()));
+    }
+    assert_eq!(
+        recorded(&events),
+        [
+            "store.load_account",
+            "provider.profile_statistics",
+            "provider.subscription",
+            "store.load_account",
+            "store.load_account",
+            "provider.profile_statistics",
+            "provider.subscription",
+            "store.load_account",
+        ]
+    );
+}
+
+#[tokio::test]
+async fn personal_info_should_keep_profile_when_subscription_is_missing_or_fails() {
+    for subscription in [Ok(None), Err(ProviderAdminErrorKind::Unavailable)] {
+        let provider = FakeProviderAdmin::new("openai", events());
+        *provider.subscription_result.lock().unwrap() = subscription;
+        let services = accounts_service(provider, FakeAccountStore::new("openai", events())).await;
+        let info = services
+            .accounts()
+            .personal_info(&ProviderAccountId::new("acct_test").unwrap())
+            .await
+            .unwrap();
+        assert_eq!(info.profile.unwrap(), empty_profile_statistics());
+        assert_eq!(info.subscription, None);
+    }
+}
+
+#[tokio::test]
+async fn personal_info_should_keep_subscription_when_profile_fails() {
+    let provider = FakeProviderAdmin::new("openai", events());
+    *provider.profile_result.lock().unwrap() = Err(ProviderAdminErrorKind::BadGateway);
+    let subscription = personal_info_subscription();
+    *provider.subscription_result.lock().unwrap() = Ok(Some(subscription.clone()));
+    let services = accounts_service(provider, FakeAccountStore::new("openai", events())).await;
+    let info = services
+        .accounts()
+        .personal_info(&ProviderAccountId::new("acct_test").unwrap())
+        .await
+        .unwrap();
+    assert_eq!(
+        info.profile.unwrap_err().kind(),
+        gateway_admin::model::AdminErrorKind::BadGateway
+    );
+    assert_eq!(info.subscription, Some(subscription));
+}
+
+#[tokio::test]
+async fn personal_info_should_reject_missing_account_before_querying_provider() {
+    let events = events();
+    let provider = FakeProviderAdmin::new("openai", events.clone());
+    let store = FakeAccountStore::new("openai", events.clone());
+    store.set_accounts(Vec::new());
+    let services = accounts_service(provider, store).await;
+    let error = services
+        .accounts()
+        .personal_info(&ProviderAccountId::new("acct_test").unwrap())
+        .await
+        .unwrap_err();
+    assert_eq!(error.kind(), gateway_admin::model::AdminErrorKind::NotFound);
+    assert_eq!(recorded(&events), ["store.load_account"]);
+}
+
+#[tokio::test]
+async fn personal_info_should_discard_results_when_account_changes_during_query() {
+    for change in 0..5 {
+        let provider = FakeProviderAdmin::new("openai", events());
+        let barrier = Arc::new(tokio::sync::Barrier::new(3));
+        *provider.personal_info_barrier.lock().unwrap() = Some(barrier.clone());
+        let store = FakeAccountStore::new("openai", events());
+        let services = accounts_service(provider, store.clone()).await;
+        let account_id = ProviderAccountId::new("acct_test").unwrap();
+        let mutate = async {
+            barrier.wait().await;
+            let mut accounts = store.accounts.lock().unwrap().clone();
+            match change {
+                0 => accounts[0].credential_revision = revision(99),
+                1 => accounts[0].upstream_account_id = Some("changed-account".to_owned()),
+                2 => accounts[0].upstream_user_id = Some("changed-user".to_owned()),
+                3 => accounts[0].provider_kind = ProviderKind::new("xai").unwrap(),
+                _ => accounts.clear(),
+            }
+            store.set_accounts(accounts);
+            barrier.wait().await;
+        };
+        let (result, ()) = tokio::time::timeout(std::time::Duration::from_secs(1), async {
+            tokio::join!(services.accounts().personal_info(&account_id), mutate)
+        })
+        .await
+        .unwrap();
+        let expected = if change == 4 {
+            gateway_admin::model::AdminErrorKind::NotFound
+        } else {
+            gateway_admin::model::AdminErrorKind::Conflict
+        };
+        assert_eq!(result.unwrap_err().kind(), expected);
+    }
+}
+
 async fn accounts_service(
    provider: Arc<FakeProviderAdmin>,
    store: Arc<FakeAccountStore>,
@@ -1,22 +1,31 @@
+use std::sync::{Arc, Mutex};
+
 use async_trait::async_trait;
-use gateway_core::policy::ClientApiKeyId;
+use chrono::Utc;
+use gateway_core::policy::{ClientApiKeyId, PlaintextClientApiKey, RateLimits};

 use gateway_admin::{
    model::{
-        AdminErrorKind, MutationContext, Revision,
+        AdminErrorKind, MutationActor, MutationContext, Revision,
        client_keys::{
            ClientKeyCursor, ClientKeyCursorValue, ClientKeyListQuery, ClientKeyPage,
            ClientKeyPageSize, ClientKeyRecord, ClientKeySecret, ClientKeySort, ClientKeySortField,
-            DeleteClientKey, NewClientKey, SetClientKeyEnabled, SortDirection, UpdateClientKey,
+            CreateClientKey, DeleteClientKey, NewClientKey, SetClientKeyEnabled, SortDirection,
+            UpdateClientKey,
        },
    },
    ports::store::{AdminStoreError, AdminStoreErrorKind, AdminStoreResult, ClientKeyStore},
 };

-struct UnusedClientKeyStore;
+#[derive(Default)]
+struct TestClientKeyStore {
+    plaintexts: Mutex<Vec<String>>,
+    create_error: Option<AdminStoreErrorKind>,
+    update_error: Option<AdminStoreErrorKind>,
+}

 #[async_trait]
-impl ClientKeyStore for UnusedClientKeyStore {
+impl ClientKeyStore for TestClientKeyStore {
    async fn list_client_keys(&self, query: ClientKeyListQuery) -> AdminStoreResult<ClientKeyPage> {
        assert_eq!(query.page_size.get(), u16::MAX);
        Ok(ClientKeyPage {
@@ -36,10 +45,32 @@ impl ClientKeyStore for UnusedClientKeyStore {

    async fn create_client_key(
        &self,
-        _: NewClientKey,
+        key: NewClientKey,
        _: &MutationContext,
    ) -> AdminStoreResult<(Revision, ClientKeyRecord)> {
-        Err(unused())
+        if let Some(kind) = self.create_error {
+            return Err(AdminStoreError::new(
+                kind,
+                "client key",
+                "test create failure",
+            ));
+        }
+        self.plaintexts.lock().unwrap().push(key.plaintext);
+        let record = ClientKeyRecord {
+            id: key.id,
+            name: key.name,
+            label: key.label,
+            groups: Vec::new(),
+            provider_kinds: Vec::new(),
+            prefix: String::new(),
+            enabled: true,
+            limits: key.limits,
+            budget: Default::default(),
+            last_used_at: None,
+            created_at: Utc::now(),
+            updated_at: Utc::now(),
+        };
+        Ok((Revision::new(2).unwrap(), record))
    }

    async fn update_client_key(
@@ -47,6 +78,13 @@ impl ClientKeyStore for UnusedClientKeyStore {
        _: UpdateClientKey,
        _: &MutationContext,
    ) -> AdminStoreResult<(Revision, ClientKeyRecord)> {
+        if let Some(kind) = self.update_error {
+            return Err(AdminStoreError::new(
+                kind,
+                "client key",
+                "test update failure",
+            ));
+        }
        Err(unused())
    }

@@ -70,7 +108,7 @@ impl ClientKeyStore for UnusedClientKeyStore {
 #[tokio::test]
 async fn client_key_cursor_should_reject_value_that_does_not_match_sort() {
    let services = super::AdminHarness::new()
-        .client_keys(std::sync::Arc::new(UnusedClientKeyStore))
+        .client_keys(Arc::new(TestClientKeyStore::default()))
        .build()
        .await;
    let sort = ClientKeySort {
@@ -98,7 +136,7 @@ async fn client_key_cursor_should_reject_value_that_does_not_match_sort() {
 #[tokio::test]
 async fn client_key_list_should_forward_the_full_nonzero_u16_page_size() {
    let services = super::AdminHarness::new()
-        .client_keys(std::sync::Arc::new(UnusedClientKeyStore))
+        .client_keys(Arc::new(TestClientKeyStore::default()))
        .build()
        .await;
    let page = services
@@ -118,6 +156,105 @@ async fn client_key_list_should_forward_the_full_nonzero_u16_page_size() {
    assert_eq!(page.total, 0);
 }

+#[tokio::test]
+async fn create_preserves_migrated_keys_and_keeps_default_generation() {
+    let store = Arc::new(TestClientKeyStore::default());
+    let services = super::AdminHarness::new()
+        .client_keys(store.clone())
+        .build()
+        .await;
+    for value in [Some("q".to_owned()), Some("legacy+/=:!".repeat(1024)), None] {
+        let created = services
+            .client_keys()
+            .create(&mutation_context(), create_command(value.as_deref()))
+            .await
+            .unwrap();
+        let plaintext = created.secret.expose_for_response();
+        assert_eq!(store.plaintexts.lock().unwrap().last().unwrap(), plaintext);
+        if let Some(value) = value {
+            assert_eq!(plaintext, value);
+        } else {
+            assert!(plaintext.starts_with("sk_"));
+            assert_eq!(plaintext.len(), 46);
+        }
+    }
+}
+
+#[tokio::test]
+async fn duplicate_keys_return_actionable_conflicts_without_disclosing_the_key() {
+    let services = super::AdminHarness::new()
+        .client_keys(Arc::new(TestClientKeyStore {
+            create_error: Some(AdminStoreErrorKind::Conflict),
+            ..Default::default()
+        }))
+        .build()
+        .await;
+    let key = "legacy-duplicate-must-stay-private";
+    let error = services
+        .client_keys()
+        .create(&mutation_context(), create_command(Some(key)))
+        .await
+        .unwrap_err();
+    assert_eq!(error.kind(), AdminErrorKind::Conflict);
+    assert_eq!(error.message(), "API Key 已存在，请使用其他密钥");
+    assert!(!format!("{error:?}").contains(key));
+}
+
+#[tokio::test]
+async fn duplicate_names_report_the_same_actionable_conflict_on_create_and_update() {
+    let services = super::AdminHarness::new()
+        .client_keys(Arc::new(TestClientKeyStore {
+            create_error: Some(AdminStoreErrorKind::DuplicateName),
+            update_error: Some(AdminStoreErrorKind::DuplicateName),
+            ..Default::default()
+        }))
+        .build()
+        .await;
+    let created = services
+        .client_keys()
+        .create(&mutation_context(), create_command(None))
+        .await
+        .unwrap_err();
+    let updated = services
+        .client_keys()
+        .update(
+            &mutation_context(),
+            UpdateClientKey {
+                id: ClientApiKeyId::new("key_existing").unwrap(),
+                name: "Migration".to_owned(),
+                label: None,
+                group_ids: Vec::new(),
+                limits: RateLimits::unlimited(),
+                daily_limit_usd: None,
+                weekly_limit_usd: None,
+            },
+        )
+        .await
+        .unwrap_err();
+    for error in [created, updated] {
+        assert_eq!(error.kind(), AdminErrorKind::Conflict);
+        assert_eq!(error.message(), "名称已存在");
+    }
+}
+
+fn create_command(key: Option<&str>) -> CreateClientKey {
+    CreateClientKey {
+        custom_key: key.map(|value| PlaintextClientApiKey::new(value).unwrap()),
+        name: "Migration".to_owned(),
+        label: None,
+        group_ids: Vec::new(),
+        limits: RateLimits::unlimited(),
+        budget: Default::default(),
+    }
+}
+
+fn mutation_context() -> MutationContext {
+    MutationContext {
+        actor: MutationActor::System,
+        request_id: "custom-key-test".to_owned(),
+    }
+}
+
 fn unused() -> AdminStoreError {
    AdminStoreError::new(
        AdminStoreErrorKind::Unavailable,
@@ -23,12 +23,12 @@ where
        )
        .route("/api/admin/accounts/quota", get(account_quota::<S>))
        .route(
-            "/api/admin/accounts/quota-forecast",
-            get(account_quota_forecast::<S>),
+            "/api/admin/accounts/personal-info",
+            get(account_personal_info::<S>),
        )
        .route(
-            "/api/admin/accounts/profile-statistics",
-            get(account_profile_statistics::<S>),
+            "/api/admin/accounts/quota-forecast",
+            get(account_quota_forecast::<S>),
        )
        .route(
            "/api/admin/accounts/profile-avatar",
@@ -389,7 +389,7 @@ where
    ))
 }

-async fn account_profile_statistics<S>(
+async fn account_personal_info<S>(
    _auth: AdminAuth,
    State(state): State<S>,
    AdminQuery(query): AdminQuery<AccountIdQuery>,
@@ -401,12 +401,12 @@ where
    let result = state
        .admin_services()
        .accounts()
-        .profile_statistics(&account_id)
+        .personal_info(&account_id)
        .await
        .map_err(map_service_error)?;
    Ok(AdminResponse::new(
        StatusCode::OK,
-        AdminEnvelope::ok(AccountProfileStatisticsData::from(result)),
+        AdminEnvelope::ok(AccountPersonalInfoData::from(result)),
    ))
 }

@@ -25,14 +25,15 @@ use gateway_admin::model::{
        AccountWeight, AccountsUpdateResult, BatchUpdateAccounts, SortDirection, UpdateAccount,
    },
    provider_credentials::{
-        AccountDirectoryItem, AccountDirectoryPage, AccountExportBundle, AccountRefreshResult,
-        AccountUsagePeriod, AuthorizationStarted, CompleteAuthorization,
+        AccountDirectoryItem, AccountDirectoryPage, AccountExportBundle, AccountPersonalInfo,
+        AccountRefreshResult, AccountUsagePeriod, AuthorizationStarted, CompleteAuthorization,
        ConsumeProviderResetCredit, CredentialDeletion, CredentialDeletionResult,
        CredentialImportResult, CredentialMutation, CredentialMutationResult, ImportCredentials,
        ProviderDocument, ProviderModels, ProviderProfileActivityInsights, ProviderProfileAvatar,
        ProviderProfileDailyUsage, ProviderProfileInvocation, ProviderProfileStatistics,
        ProviderProfileStatisticsSummary, ProviderQuota, ProviderQuotaWindow, ProviderResetCredit,
-        ProviderResetCreditResult, ProviderResetCredits, RotateCredential, StartAuthorization,
+        ProviderResetCreditResult, ProviderResetCredits, ProviderSubscription, RotateCredential,
+        StartAuthorization,
    },
 };
 use gateway_core::{
@@ -2,7 +2,6 @@

 use super::*;
 use gateway_admin::model::quota_forecast::{AccountQuotaForecast, AccountQuotaForecastReport};
-use gateway_admin::model::quota_forecast_sampling::QuotaForecastMethod;

 pub(super) fn account_page_data(
    result: AccountDirectoryPage,
@@ -129,7 +128,6 @@ impl From<AccountQuotaForecastReport> for AccountQuotaForecastData {
        Self {
            account_id: report.account_id,
            generated_at: china_rfc3339(&report.generated_at),
-            generated_at_display: china_datetime(&report.generated_at),
            forecasts: report
                .forecasts
                .into_iter()
@@ -148,9 +146,7 @@ fn quota_forecast_view(forecast: AccountQuotaForecast) -> AccountQuotaForecastVi
        target_days: forecast.target_seconds as f64 / 86_400.0,
        extrapolated: forecast.extrapolated,
        source: forecast.source.map(|source| QuotaForecastSourceView {
-            key: source.key,
            label: source.label,
-            window_days: source.window_seconds as f64 / 86_400.0,
            used_percent: source.used_percent,
            used_percent_display: source
                .used_percent
@@ -159,48 +155,14 @@ fn quota_forecast_view(forecast: AccountQuotaForecast) -> AccountQuotaForecastVi
            observed_at_display: source
                .observed_at
                .map_or_else(|| "—".to_owned(), |value| china_datetime(&value)),
-            start_at: source.start_at.map(|value| china_rfc3339(&value)),
-            start_at_display: source
-                .start_at
-                .map_or_else(|| "—".to_owned(), |value| china_datetime(&value)),
            reset_at: china_rfc3339(&source.reset_at),
-            reset_at_display: china_datetime(&source.reset_at),
-            request_count_display: format_number(source.request_count),
            tokens_display: display_optional_tokens(source.tokens),
-            input_tokens_display: display_optional_tokens(source.input_tokens),
-            output_tokens_display: display_optional_tokens(source.output_tokens),
-            cached_tokens_display: display_optional_tokens(source.cached_tokens),
-            known_cost_count: source.known_cost_count,
-            known_cost_count_display: format_number(source.known_cost_count),
-            partial_cost_count: source.partial_cost_count,
-            partial_cost_count_display: format_number(source.partial_cost_count),
-            unavailable_cost_count: source.unavailable_cost_count,
-            unavailable_cost_count_display: format_number(source.unavailable_cost_count),
            usd_display: forecast_usd_display(source.usd),
-            sample_start_at: source.sample_start_at.map(|value| china_rfc3339(&value)),
-            sample_start_at_display: source
-                .sample_start_at
-                .map_or_else(|| "—".to_owned(), |value| china_datetime(&value)),
-            baseline_percent: source.baseline_percent,
-            sampled_percent: source.sampled_percent,
-            sampled_percent_display: source
-                .sampled_percent
-                .map_or_else(|| "—".to_owned(), |value| format!("{value:.1} 个百分点")),
-            block_count: source.block_count,
-            observation_count: source.observation_count,
-            missing_token_count: source.missing_token_count,
-            excluded_request_count: source.excluded_request_count,
-            pending_request_count: source.pending_request_count,
        }),
        unavailable_reason: forecast.unavailable_reason,
        low_sample: forecast.low_sample,
        incomplete_cost: forecast.incomplete_cost,
        incomplete_tokens: forecast.incomplete_tokens,
-        method: forecast.method.as_str(),
-        method_display: match forecast.method {
-            QuotaForecastMethod::Cumulative => "窗口累计估算",
-            QuotaForecastMethod::Incremental => "近期分段估算",
-        },
        estimated_tokens: forecast.estimated_tokens,
        estimated_tokens_display: display_optional_tokens(forecast.estimated_tokens),
        estimated_usd: forecast.estimated_usd,
@@ -278,7 +278,6 @@ pub struct AccountView {
 pub struct AccountQuotaForecastData {
    pub account_id: String,
    pub generated_at: String,
-    pub generated_at_display: String,
    pub forecasts: Vec<AccountQuotaForecastView>,
 }

@@ -293,8 +292,6 @@ pub struct AccountQuotaForecastView {
    pub low_sample: bool,
    pub incomplete_cost: bool,
    pub incomplete_tokens: bool,
-    pub method: &'static str,
-    pub method_display: &'static str,
    pub estimated_tokens: Option<u64>,
    pub estimated_tokens_display: String,
    pub estimated_usd: Option<f64>,
@@ -308,39 +305,14 @@ pub struct AccountQuotaForecastView {
 #[derive(Debug, Clone, Serialize)]
 #[serde(rename_all = "camelCase")]
 pub struct QuotaForecastSourceView {
-    pub key: String,
    pub label: String,
-    pub window_days: f64,
    pub used_percent: Option<f64>,
    pub used_percent_display: String,
    pub observed_at: Option<String>,
    pub observed_at_display: String,
-    pub start_at: Option<String>,
-    pub start_at_display: String,
    pub reset_at: String,
-    pub reset_at_display: String,
-    pub request_count_display: String,
    pub tokens_display: String,
-    pub input_tokens_display: String,
-    pub output_tokens_display: String,
-    pub cached_tokens_display: String,
-    pub known_cost_count: u64,
-    pub known_cost_count_display: String,
-    pub partial_cost_count: u64,
-    pub partial_cost_count_display: String,
-    pub unavailable_cost_count: u64,
-    pub unavailable_cost_count_display: String,
    pub usd_display: String,
-    pub sample_start_at: Option<String>,
-    pub sample_start_at_display: String,
-    pub baseline_percent: f64,
-    pub sampled_percent: Option<f64>,
-    pub sampled_percent_display: String,
-    pub block_count: usize,
-    pub observation_count: usize,
-    pub missing_token_count: u64,
-    pub excluded_request_count: u64,
-    pub pending_request_count: u64,
 }

 #[derive(Debug, Clone, Serialize)]
@@ -681,6 +653,54 @@ pub struct AccountQuotaData {
    pub account: AccountView,
 }

+/// 个人资料、累计统计与订阅的统一响应。
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct AccountPersonalInfoData {
+    pub profile: Option<AccountProfileStatisticsData>,
+    pub profile_error: Option<String>,
+    pub subscription: Option<AccountSubscriptionData>,
+}
+
+impl From<AccountPersonalInfo> for AccountPersonalInfoData {
+    fn from(info: AccountPersonalInfo) -> Self {
+        let (profile, profile_error) = match info.profile {
+            Ok(profile) => (Some(AccountProfileStatisticsData::from(profile)), None),
+            Err(error) => (None, Some(error.message().to_owned())),
+        };
+        Self {
+            profile,
+            profile_error,
+            subscription: info.subscription.map(AccountSubscriptionData::from),
+        }
+    }
+}
+
+/// 按需读取的订阅安全字段，不暴露原始上游响应。
+#[derive(Debug, Clone, Serialize)]
+#[serde(rename_all = "camelCase")]
+pub struct AccountSubscriptionData {
+    pub starts_at: Option<String>,
+    pub expires_at: String,
+    pub will_renew: Option<bool>,
+    pub billing_period: Option<String>,
+    pub billing_currency: Option<String>,
+    pub observed_at: String,
+}
+
+impl From<ProviderSubscription> for AccountSubscriptionData {
+    fn from(subscription: ProviderSubscription) -> Self {
+        Self {
+            starts_at: subscription.starts_at.map(|value| value.to_rfc3339()),
+            expires_at: subscription.expires_at.to_rfc3339(),
+            will_renew: subscription.will_renew,
+            billing_period: subscription.billing_period,
+            billing_currency: subscription.billing_currency,
+            observed_at: subscription.observed_at.to_rfc3339(),
+        }
+    }
+}
+
 /// Provider 官方个人资料统计响应。
 #[derive(Debug, Clone, Serialize)]
 #[serde(rename_all = "camelCase")]
@@ -5,7 +5,11 @@ use std::fmt;
 use axum::{
    Router,
    extract::{FromRequestParts, State},
-    http::{HeaderMap, HeaderValue, StatusCode, header::SET_COOKIE, request::Parts},
+    http::{
+        HeaderMap, HeaderValue, StatusCode,
+        header::{ORIGIN, SET_COOKIE},
+        request::Parts,
+    },
    response::{IntoResponse, Response},
    routing::{get, post},
 };
@@ -15,18 +19,37 @@ use gateway_admin::{
 };
 use serde::{Deserialize, Serialize};
 use tower_http::request_id::RequestId;
+use url::Url;

 use super::{AdminEnvelope, AdminError, AdminJson, AdminResponse};

 const REQUEST_ID_HEADER: &str = "x-request-id";
 const ADMIN_SESSION_COOKIE: &str = "cpr_admin_session";
-const ADMIN_SESSION_COOKIE_ATTRS: &str = "Path=/; Secure; HttpOnly; SameSite=Lax";

 /// 所有管理 HTTP 模块从 state 消费同一个认证用例端口。
 pub trait AdminSessionState {
    fn admin_services(&self) -> &AdminServices;
 }

+fn admin_session_cookie_attrs(headers: &HeaderMap) -> &'static str {
+    // 同源管理端的 POST 由浏览器携带 Origin，HTTPS 反代回源 HTTP 不改变它。
+    // 只对明确的 HTTP 来源放宽；缺失、opaque 或非法来源继续使用 Secure。
+    let http_origin = headers.get_all(ORIGIN).iter().count() == 1
+        && headers
+            .get(ORIGIN)
+            .and_then(|value| value.to_str().ok())
+            .is_some_and(|origin| {
+                Url::parse(origin).is_ok_and(|url| {
+                    url.scheme() == "http" && url.origin().ascii_serialization() == origin
+                })
+            });
+    if http_origin {
+        "Path=/; HttpOnly; SameSite=Lax"
+    } else {
+        "Path=/; Secure; HttpOnly; SameSite=Lax"
+    }
+}
+
 /// 已通过管理员会话或部署级管理 API Key 鉴权的请求。
 pub struct AdminAuth {
    context: AdminRequestContext,
@@ -203,6 +226,7 @@ where

 async fn login<S>(
    State(state): State<S>,
+    headers: HeaderMap,
    AdminJson(payload): AdminJson<AdminLoginRequest>,
 ) -> Result<Response, AdminError>
 where
@@ -221,8 +245,9 @@ where
    )
    .into_response();
    let cookie = format!(
-        "{ADMIN_SESSION_COOKIE}={}; {ADMIN_SESSION_COOKIE_ATTRS}",
-        session.session_id
+        "{ADMIN_SESSION_COOKIE}={}; {}",
+        session.session_id,
+        admin_session_cookie_attrs(&headers)
    );
    response.headers_mut().insert(
        SET_COOKIE,
@@ -260,7 +285,10 @@ where
    let mut response =
        AdminResponse::new(StatusCode::OK, AdminEnvelope::ok(AdminLogoutData::new()))
            .into_response();
-    let cookie = format!("{ADMIN_SESSION_COOKIE}=; {ADMIN_SESSION_COOKIE_ATTRS}; Max-Age=0");
+    let cookie = format!(
+        "{ADMIN_SESSION_COOKIE}=; {}; Max-Age=0",
+        admin_session_cookie_attrs(&headers)
+    );
    response.headers_mut().insert(
        SET_COOKIE,
        HeaderValue::from_str(&cookie).map_err(|_| AdminError::internal())?,
@@ -13,7 +13,7 @@ use gateway_admin::model::client_keys::{
 use gateway_core::{
    engine::budget::ClientBudgetLimits,
    metering::Decimal,
-    policy::{ClientApiKeyId, RateLimits},
+    policy::{ClientApiKeyId, PlaintextClientApiKey, RateLimits},
    routing::AccountGroupId,
 };
 use serde::{Deserialize, Serialize};
@@ -70,9 +70,7 @@ impl ListClientKeysQuery {
        }
        let search = self.search.map(|search| search.trim().to_owned());
        if search.as_deref().is_some_and(|search| {
-            search.len() > MAX_SEARCH_BYTES
-                || search.chars().any(char::is_control)
-                || contains_client_key_material(search)
+            search.len() > MAX_SEARCH_BYTES || search.chars().any(char::is_control)
        }) {
            return Err(WireValidationError::new("search"));
        }
@@ -143,9 +141,10 @@ impl ClientKeySort {
 }

 /// 创建 Client Key 请求。
-#[derive(Debug, Clone, PartialEq, Deserialize)]
+#[derive(Clone, PartialEq, Deserialize)]
 #[serde(rename_all = "camelCase", deny_unknown_fields)]
 pub struct CreateClientKeyRequest {
+    custom_key: Option<String>,
    name: String,
    label: Option<String>,
    group_ids: Vec<String>,
@@ -155,6 +154,16 @@ pub struct CreateClientKeyRequest {
    weekly_limit_usd: Option<String>,
 }

+impl fmt::Debug for CreateClientKeyRequest {
+    fn fmt(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
+        formatter
+            .debug_struct("CreateClientKeyRequest")
+            .field("name", &self.name)
+            .field("custom_key", &"[REDACTED]")
+            .finish_non_exhaustive()
+    }
+}
+
 impl CreateClientKeyRequest {
    /// 校验 wire 边界并直接构造管理用例命令。
    pub fn into_command(self) -> Result<CreateClientKey, WireValidationError> {
@@ -164,6 +173,12 @@ impl CreateClientKeyRequest {
        validate_limit(self.max_concurrency, "maxConcurrency")?;
        validate_limit(self.requests_per_minute, "requestsPerMinute")?;
        Ok(CreateClientKey {
+            custom_key: self
+                .custom_key
+                .filter(|key| !key.is_empty())
+                .map(PlaintextClientApiKey::new)
+                .transpose()
+                .map_err(|_| WireValidationError::new("customKey"))?,
            name: self.name,
            label: self.label,
            group_ids,
@@ -661,15 +676,6 @@ fn validate_optional_text(
    Ok(())
 }

-fn contains_client_key_material(value: &str) -> bool {
-    value.as_bytes().windows(46).any(|window| {
-        &window[..3] == b"sk_"
-            && window[3..]
-                .iter()
-                .all(|byte| byte.is_ascii_alphanumeric() || matches!(byte, b'-' | b'_'))
-    })
-}
-
 /// 构造固定 GET/POST 且 ID 仅位于 query/body 的 Client API Key 路由。
 pub fn router<S>() -> Router<S>
 where
@@ -86,7 +86,7 @@ impl ClientApiKeyAuthError {
 ///
 /// # Errors
 ///
-/// Header 缺失、Bearer 语法错误或不是网关 Client Key 前缀时返回稳定错误。
+/// Header 缺失、Bearer 语法错误或 Key 不能作为 HTTP Bearer 值时返回稳定错误。
 pub fn bearer_client_api_key(headers: &HeaderMap) -> Result<&str, ClientApiKeyAuthError> {
    let raw = headers
        .get(AUTHORIZATION)
@@ -100,7 +100,7 @@ pub fn bearer_client_api_key(headers: &HeaderMap) -> Result<&str, ClientApiKeyAu
    if token.is_empty() {
        return Err(ClientApiKeyAuthError::MalformedAuthorization);
    }
-    if !token.starts_with("sk_") {
+    if gateway_core::policy::PlaintextClientApiKey::validate(token).is_err() {
        return Err(ClientApiKeyAuthError::InvalidKeyFormat);
    }
    Ok(token)
@@ -6,7 +6,7 @@ use axum::{
    http::{HeaderMap, StatusCode},
    response::{IntoResponse, Response},
 };
-use gateway_core::routing::{PublicModelId, PublicModelProfile};
+use gateway_core::routing::{PublicModelDescriptor, PublicModelId, PublicModelProfile};
 use serde::Deserialize;
 use serde_json::{Value, json};

@@ -14,7 +14,7 @@ use crate::ApiState;

 use super::{
    auth::{authenticate_client, client_access_error_response},
-    error::model_not_found_response,
+    error::{model_not_found_response, openai_error_response},
 };

 const MODEL_CREATED_TIMESTAMP: i64 = 1_700_000_000;
@@ -37,19 +37,53 @@ pub(crate) async fn models(
        Err(error) => return client_access_error_response(error),
    };

-    if query
+    if let Some(version) = query
        .client_version
        .as_deref()
-        .is_some_and(|version| !version.trim().is_empty())
+        .filter(|version| !version.trim().is_empty())
    {
-        let models = service
-            .public_model_profiles(&client)
+        if version.len() > 64
+            || !version
+                .bytes()
+                .all(|byte| byte.is_ascii_alphanumeric() || b".-+".contains(&byte))
+        {
+            return openai_error_response(
+                StatusCode::BAD_REQUEST,
+                "Invalid client_version",
+                "invalid_request_error",
+                "invalid_client_version",
+            )
+            .into_response();
+        }
+        let catalog = match service.client_model_catalog(&client, version).await {
+            Ok(catalog) => catalog,
+            Err(_) => return catalog_unavailable_response(),
+        };
+        let models = catalog
            .iter()
            .enumerate()
-            .map(|(index, profile)| codex_model_json(profile, index))
-            .collect::<Vec<_>>();
+            .map(|(index, entry)| match entry {
+                PublicModelDescriptor::Adapted(profile) => Ok(codex_model_json(profile, index)),
+                PublicModelDescriptor::Native { model, payload } => {
+                    if payload.protocol() != "codex" {
+                        return Err(());
+                    }
+                    let mut value: Value =
+                        serde_json::from_slice(payload.body()).map_err(|_| ())?;
+                    let object = value.as_object_mut().ok_or(())?;
+                    // 别名只改变请求标识，能力、提示词、顺序等仍由上游目录决定。
+                    object.insert("slug".to_owned(), Value::String(model.as_str().to_owned()));
+                    Ok(value)
+                }
+            })
+            .collect::<Result<Vec<_>, ()>>();
+        let Ok(models) = models else {
+            return catalog_unavailable_response();
+        };
        return (
            StatusCode::OK,
+            // 目录经过账号选择/别名/多 Provider 聚合，不能借用上游 ETag 表示改写后的正文。
+            [("cache-control", "private, no-store")],
            Json(json!({
                "models": models,
            })),
@@ -72,6 +106,16 @@ pub(crate) async fn models(
        .into_response()
 }

+fn catalog_unavailable_response() -> Response {
+    openai_error_response(
+        StatusCode::SERVICE_UNAVAILABLE,
+        "Model catalog is temporarily unavailable",
+        "server_error",
+        "model_catalog_unavailable",
+    )
+    .into_response()
+}
+
 /// `GET /v1/models/{model_id}`。
 pub(crate) async fn model_detail(
    State(state): State<ApiState>,
@@ -2,7 +2,9 @@

 use bytes::Bytes;
 use gateway_core::event::{GatewayEvent, ProtocolWireEvent, ProviderEvent};
-use gateway_protocol::openai::sse::encode_sse_event_with_metadata;
+use gateway_protocol::openai::sse::{
+    encode_sse_event_with_metadata, response_failed_sse_data_from_error_event,
+};
 use serde_json::Value;

 use super::error::ResponseEncodeError;
@@ -17,6 +19,7 @@ const OPENAI_PROTOCOL: &str = "openai";
 #[derive(Debug, Default)]
 pub struct OpenAiResponsesEncoder {
    response_id: Option<String>,
+    response_snapshot: Option<Value>,
    wire_terminal: Option<Value>,
    wire_failure: bool,
 }
@@ -27,6 +30,7 @@ impl OpenAiResponsesEncoder {
    pub const fn new() -> Self {
        Self {
            response_id: None,
+            response_snapshot: None,
            wire_terminal: None,
            wire_failure: false,
        }
@@ -39,6 +43,22 @@ impl OpenAiResponsesEncoder {
            return Vec::new();
        };
        self.observe_wire(wire);
+        // 当前 Codex 不消费 Responses `error` event，会在 EOF 时丢失失败原因。
+        // 在客户端 SSE 边界统一投影成它能识别的 `response.failed`。
+        if wire.event_type() == Some("error")
+            && let Some(data) = response_failed_sse_data_from_error_event(
+                self.response_snapshot.as_ref(),
+                self.response_id.as_deref(),
+                wire.data(),
+            )
+        {
+            return vec![Bytes::from(encode_sse_event_with_metadata(
+                "response.failed",
+                &data.to_string(),
+                wire.sse_id(),
+                wire.sse_retry(),
+            ))];
+        }
        if let Some(raw_sse_frame) = wire.raw_sse_frame() {
            return vec![raw_sse_frame.clone()];
        }
@@ -110,6 +130,16 @@ impl OpenAiResponsesEncoder {
        let effective_type = wire
            .event_type()
            .or_else(|| wire.data().get("type").and_then(Value::as_str));
+        if matches!(
+            effective_type,
+            Some("response.created" | "response.in_progress" | "response.queued")
+        ) && let Some(response) = wire
+            .data()
+            .get("response")
+            .filter(|value| value.is_object())
+        {
+            self.response_snapshot = Some(response.clone());
+        }
        if matches!(
            effective_type,
            Some("response.completed" | "response.incomplete")
@@ -10,7 +10,7 @@ use gateway_core::engine::execution::{
 };
 use gateway_core::error::{GatewayError, GatewayErrorKind};
 use gateway_core::lifecycle::{ConnectionDraining, ConnectionGuard, ConnectionLifecycle};
-use gateway_core::routing::{PublicModelId, PublicModelProfile};
+use gateway_core::routing::{ProviderCatalogUnavailable, PublicModelDescriptor, PublicModelId};
 use uuid::Uuid;

 use super::auth::ClientApiKeyAuthError;
@@ -52,11 +52,14 @@ impl OpenAiService {
            .collect()
    }

-    pub(crate) fn public_model_profiles(
+    pub(crate) async fn client_model_catalog(
        &self,
        client: &AuthenticatedClient,
-    ) -> Vec<PublicModelProfile> {
-        self.execution.public_model_profiles(client)
+        client_version: &str,
+    ) -> Result<Vec<PublicModelDescriptor>, ProviderCatalogUnavailable> {
+        self.execution
+            .client_model_catalog(client, "codex", client_version)
+            .await
    }

    pub(crate) fn contains_public_model(
@@ -7,6 +7,42 @@ use tower::ServiceExt as _;

 use super::super::{AdminTestFixture, AdminTestState};

+#[tokio::test]
+async fn personal_info_requires_admin_and_a_valid_account_query() {
+    let fixture = AdminTestFixture::new().await;
+    fixture.auth.insert_session("valid-session");
+    for (query, authenticated, expected) in [
+        ("?accountId=acct_test", false, StatusCode::UNAUTHORIZED),
+        ("", true, StatusCode::BAD_REQUEST),
+        ("?accountId=bad", true, StatusCode::BAD_REQUEST),
+        (
+            "?accountId=acct_test&refresh=true",
+            true,
+            StatusCode::BAD_REQUEST,
+        ),
+        // 此夹具未提供账号 Store，合法查询应透传服务不可用，而非绕过查询。
+        (
+            "?accountId=acct_test",
+            true,
+            StatusCode::SERVICE_UNAVAILABLE,
+        ),
+    ] {
+        let mut request = Request::builder()
+            .uri(format!("/api/admin/accounts/personal-info{query}"))
+            .header("x-request-id", "req_personal_info");
+        if authenticated {
+            request = request.header(header::COOKIE, "cpr_admin_session=valid-session");
+        }
+        let response = admin::router::<AdminTestState>()
+            .with_state(fixture.state())
+            .oneshot(request.body(Body::empty()).unwrap())
+            .await
+            .unwrap();
+        assert_eq!(response.status(), expected, "{query}");
+        assert_eq!(response.headers()[header::CACHE_CONTROL], "no-store");
+    }
+}
+
 #[tokio::test]
 async fn quota_forecast_requires_admin_and_valid_account_query() {
    let fixture = AdminTestFixture::new().await;
@@ -1,6 +1,77 @@
 mod handlers;
 mod presenter;

+mod personal_info {
+    use chrono::{TimeZone as _, Utc};
+    use gateway_admin::model::{
+        AdminError,
+        provider_credentials::{AccountPersonalInfo, ProviderSubscription},
+    };
+    use gateway_api::admin::accounts::{AccountPersonalInfoData, AccountSubscriptionData};
+    use serde_json::json;
+
+    #[test]
+    fn subscription_response_exposes_only_display_fields_and_preserves_unknowns() {
+        let observed = Utc.with_ymd_and_hms(2026, 9, 14, 0, 0, 0).unwrap();
+        let response = AccountSubscriptionData::from(ProviderSubscription {
+            starts_at: None,
+            expires_at: observed,
+            will_renew: None,
+            billing_period: None,
+            billing_currency: Some("USD".to_owned()),
+            observed_at: observed,
+        });
+        assert_eq!(
+            serde_json::to_value(response).unwrap(),
+            json!({
+                "startsAt": null, "expiresAt": "2026-09-14T00:00:00+00:00",
+                "willRenew": null, "billingPeriod": null, "billingCurrency": "USD",
+                "observedAt": "2026-09-14T00:00:00+00:00"
+            })
+        );
+    }
+
+    #[test]
+    fn personal_info_response_preserves_subscription_when_profile_fails() {
+        let observed = Utc.with_ymd_and_hms(2026, 9, 14, 0, 0, 0).unwrap();
+        let response = AccountPersonalInfoData::from(AccountPersonalInfo {
+            profile: Err(AdminError::bad_gateway("上游服务请求失败")),
+            subscription: Some(ProviderSubscription {
+                starts_at: None,
+                expires_at: observed,
+                will_renew: None,
+                billing_period: None,
+                billing_currency: None,
+                observed_at: observed,
+            }),
+        });
+        let value = serde_json::to_value(response).unwrap();
+        assert!(value["profile"].is_null());
+        assert_eq!(value["profileError"], "上游服务请求失败");
+        assert_eq!(
+            value["subscription"]["expiresAt"],
+            "2026-09-14T00:00:00+00:00"
+        );
+        assert_eq!(value.as_object().unwrap().len(), 3);
+    }
+
+    #[test]
+    fn personal_info_response_preserves_unknown_subscription_and_profile_error() {
+        let response = AccountPersonalInfoData::from(AccountPersonalInfo {
+            profile: Err(AdminError::unavailable("Provider 服务暂不可用")),
+            subscription: None,
+        });
+        assert_eq!(
+            serde_json::to_value(response).unwrap(),
+            json!({
+                "profile": null,
+                "profileError": "Provider 服务暂不可用",
+                "subscription": null,
+            })
+        );
+    }
+}
+
 mod query {
    use gateway_admin::model::accounts::{AccountSortField, AccountStatus, SortDirection};
    use gateway_api::admin::accounts::ListQuery;
@@ -1,48 +1,28 @@
 use gateway_admin::model::{
    provider_credentials::AccountUsagePeriod,
    quota_forecast::{AccountQuotaForecast, AccountQuotaForecastReport, QuotaForecastSource},
-    quota_forecast_sampling::QuotaForecastMethod,
 };
 use gateway_api::admin::accounts::AccountQuotaForecastData;

 #[test]
-fn quota_forecast_projection_preserves_null_zero_and_sample_metadata() {
+fn quota_forecast_projection_only_exposes_capacity_and_preserves_null_zero() {
    let now = "2026-09-12T00:00:00Z".parse().unwrap();
    let forecast = AccountQuotaForecast {
        period: AccountUsagePeriod::Weekly,
        target_seconds: 7 * 86_400,
        extrapolated: false,
        source: Some(QuotaForecastSource {
-            key: "week".to_owned(),
            label: "周额度".to_owned(),
-            window_seconds: 7 * 86_400,
            used_percent: Some(100.0),
            observed_at: Some(now),
-            start_at: Some(now),
            reset_at: now,
-            request_count: 1_024,
            tokens: Some(1_000_000),
-            input_tokens: Some(900_000),
-            output_tokens: Some(100_000),
-            cached_tokens: Some(800_000),
-            known_cost_count: 1_000,
-            partial_cost_count: 24,
-            unavailable_cost_count: 0,
            usd: Some(0.1234),
-            sample_start_at: Some(now),
-            baseline_percent: 85.0,
-            sampled_percent: Some(15.0),
-            block_count: 3,
-            observation_count: 96,
-            missing_token_count: 0,
-            excluded_request_count: 4,
-            pending_request_count: 2,
        }),
        unavailable_reason: None,
        low_sample: false,
        incomplete_cost: true,
        incomplete_tokens: false,
-        method: QuotaForecastMethod::Incremental,
        estimated_tokens: Some(1_000_000),
        estimated_usd: None,
        remaining_tokens: Some(0),
@@ -66,13 +46,22 @@ fn quota_forecast_projection_preserves_null_zero_and_sample_metadata() {
    assert!(week["estimatedUsd"].is_null());
    assert_eq!(week["estimatedUsdDisplay"], "—");
    assert_eq!(week["remainingTokensDisplay"], "0");
-    assert_eq!(week["source"]["requestCountDisplay"], "1,024");
-    assert_eq!(week["source"]["usdDisplay"], "$0.1234");
-    assert_eq!(week["source"]["partialCostCount"], 24);
-    assert_eq!(week["method"], "incremental");
-    assert_eq!(week["source"]["sampledPercentDisplay"], "15.0 个百分点");
-    assert_eq!(week["source"]["pendingRequestCount"], 2);
-    assert!(week["source"].get("providerData").is_none());
+    assert_eq!(
+        week["source"],
+        serde_json::json!({
+            "label": "周额度",
+            "usedPercent": 100.0,
+            "usedPercentDisplay": "100.0%",
+            "observedAt": "2026-09-12T08:00:00+08:00",
+            "observedAtDisplay": "2026-09-12 08:00:00",
+            "resetAt": "2026-09-12T08:00:00+08:00",
+            "tokensDisplay": "1M",
+            "usdDisplay": "$0.1234"
+        })
+    );
+    assert!(week.get("method").is_none());
+    assert!(week.get("methodDisplay").is_none());
+    assert!(value.get("generatedAtDisplay").is_none());
    assert_eq!(value["forecasts"][1]["period"], "monthly");
    assert_eq!(value["forecasts"][1]["targetDays"], 30.0);
    assert_eq!(value["forecasts"][1]["extrapolated"], true);
@@ -10,6 +10,71 @@ use serde_json::json;

 use super::{AdminTestFixture, AdminTestState};

+#[test]
+fn custom_client_keys_preserve_migrated_values_and_redact_debug() {
+    for value in [
+        "q".to_owned(),
+        "sk-old!@/key+=value".to_owned(),
+        "x".repeat(8192),
+    ] {
+        let request: CreateClientKeyRequest = serde_json::from_value(json!({
+            "name": "migration", "customKey": value, "groupIds": [],
+            "maxConcurrency": 2, "requestsPerMinute": 0
+        }))
+        .unwrap();
+        let debug = format!("{request:?}");
+        assert!(debug.contains("[REDACTED]"));
+        let command = request.into_command().unwrap();
+        assert_eq!(command.custom_key.unwrap().expose_for_auth(), value);
+    }
+    let secret = "legacy-key-should-not-leak";
+    let request: CreateClientKeyRequest = serde_json::from_value(json!({
+        "name": "migration", "customKey": secret, "groupIds": [],
+        "maxConcurrency": 0, "requestsPerMinute": 0
+    }))
+    .unwrap();
+    assert!(!format!("{request:?}").contains(secret));
+    assert!(!format!("{:?}", request.into_command().unwrap()).contains(secret));
+}
+
+#[test]
+fn custom_client_key_is_optional_and_only_rejects_untransportable_values() {
+    let payload = json!({"name": "migration", "groupIds": [], "maxConcurrency": 0,
+        "requestsPerMinute": 0});
+    for value in [None, Some(json!(null)), Some(json!(""))] {
+        let mut payload = payload.clone();
+        if let Some(value) = value {
+            payload["customKey"] = value;
+        }
+        let command = serde_json::from_value::<CreateClientKeyRequest>(payload)
+            .unwrap()
+            .into_command()
+            .unwrap();
+        assert!(command.custom_key.is_none());
+    }
+    for value in [
+        " key",
+        "key ",
+        "key with spaces",
+        "key\n",
+        "key\tvalue",
+        "密钥",
+    ] {
+        let mut payload = payload.clone();
+        payload["customKey"] = json!(value);
+        let error = serde_json::from_value::<CreateClientKeyRequest>(payload)
+            .unwrap()
+            .into_command()
+            .unwrap_err();
+        assert_eq!(error.field(), "customKey");
+        assert!(!format!("{error:?}").contains(value));
+    }
+    let mut update = payload;
+    update["id"] = json!("key_existing");
+    update["customKey"] = json!("replacement-credential");
+    assert!(serde_json::from_value::<UpdateClientKeyRequest>(update).is_err());
+}
+
 #[test]
 fn budget_inputs_preserve_decimal_precision_and_omitted_updates() {
    let payload = json!({"name": "budget", "groupIds": [], "maxConcurrency": 3,
@@ -63,10 +128,6 @@ fn client_key_queries_should_reject_unknown_zero_and_oversized_fields() {
        "search": "a".repeat(257)
    }))
    .expect("deserialize oversized search");
-    let secret_search = serde_json::from_value::<ListClientKeysQuery>(json!({
-        "search": format!("sk_{}", "a".repeat(43))
-    }))
-    .expect("deserialize secret search");
    let invalid_sort = serde_json::from_value::<ListClientKeysQuery>(json!({
        "sortBy": "plaintextKey",
        "sortDirection": "asc"
@@ -92,13 +153,6 @@ fn client_key_queries_should_reject_unknown_zero_and_oversized_fields() {
            .field(),
        "search"
    );
-    assert_eq!(
-        secret_search
-            .into_command()
-            .expect_err("reject full key in search")
-            .field(),
-        "search"
-    );
    assert_eq!(
        invalid_sort
            .into_command()
@@ -140,6 +194,16 @@ fn client_key_queries_should_reject_unknown_zero_and_oversized_fields() {
    );
 }

+#[test]
+fn client_key_name_search_does_not_interpret_names_as_credentials() {
+    let name = format!("sk_{}", "a".repeat(43));
+    let command = serde_json::from_value::<ListClientKeysQuery>(json!({ "search": name }))
+        .unwrap()
+        .into_command()
+        .unwrap();
+    assert_eq!(command.search.as_deref(), Some(name.as_str()));
+}
+
 #[test]
 fn client_key_mutations_should_validate_text_limits_and_unknown_fields() {
    let valid = serde_json::from_value::<CreateClientKeyRequest>(json!({
@@ -76,10 +76,28 @@ fn bearer_client_api_key_should_reject_empty_bearer_token() {
 }

 #[test]
-fn bearer_client_api_key_should_reject_non_gateway_key_prefix() {
-    let mut headers = HeaderMap::new();
-    headers.insert(AUTHORIZATION, HeaderValue::from_static("Bearer xai-secret"));
+fn bearer_client_api_key_should_accept_migrated_formats_without_rewriting() {
+    for key in [
+        "q".to_owned(),
+        "sk-old/key+value=:!@".to_owned(),
+        "x".repeat(8192),
+    ] {
+        let mut headers = HeaderMap::new();
+        headers.insert(
+            AUTHORIZATION,
+            HeaderValue::from_str(&format!("Bearer {key}")).unwrap(),
+        );
+        assert_eq!(bearer_client_api_key(&headers), Ok(key.as_str()));
+    }
+}

+#[test]
+fn bearer_client_api_key_should_reject_whitespace_inside_tokens() {
+    let mut headers = HeaderMap::new();
+    headers.insert(
+        AUTHORIZATION,
+        HeaderValue::from_static("Bearer key with spaces"),
+    );
    assert_eq!(
        bearer_client_api_key(&headers),
        Err(ClientApiKeyAuthError::InvalidKeyFormat)
@@ -1,4 +1,4 @@
-use std::sync::Arc;
+use std::sync::{Arc, Mutex};

 use axum::{
    body::{Body, to_bytes},
@@ -11,7 +11,8 @@ use gateway_core::engine::execution::{
 };
 use gateway_core::error::{GatewayError, GatewayErrorKind};
 use gateway_core::routing::{
-    ModelPresentation, ModelServiceTier, PublicModelId, PublicModelProfile,
+    ModelPresentation, ModelServiceTier, ProviderCatalogUnavailable, PublicModelDescriptor,
+    PublicModelId, PublicModelProfile,
 };
 use tower::ServiceExt;

@@ -20,6 +21,8 @@ use super::{api_router, authenticated_client, authenticated_client_with_min_vers
 pub(super) struct ModelsExecution {
    client: AuthenticatedClient,
    presentation: Option<ModelPresentation>,
+    native: Option<Result<Vec<PublicModelDescriptor>, ProviderCatalogUnavailable>>,
+    requested_versions: Mutex<Vec<String>>,
 }

 impl ModelsExecution {
@@ -27,6 +30,8 @@ impl ModelsExecution {
        Arc::new(Self {
            client: authenticated_client("sk_models_test"),
            presentation: None,
+            native: None,
+            requested_versions: Mutex::default(),
        })
    }

@@ -61,6 +66,8 @@ impl ModelsExecution {
        Arc::new(Self {
            client: authenticated_client("sk_models_test"),
            presentation: Some(presentation),
+            native: None,
+            requested_versions: Mutex::default(),
        })
    }

@@ -68,6 +75,8 @@ impl ModelsExecution {
        Arc::new(Self {
            client: authenticated_client_with_min_versions("sk_models_test", None, Some("0.40.0")),
            presentation: None,
+            native: None,
+            requested_versions: Mutex::default(),
        })
    }

@@ -79,11 +88,48 @@ impl ModelsExecution {
                None,
            ),
            presentation: None,
+            native: None,
+            requested_versions: Mutex::default(),
        })
    }
+
+    fn profiles(&self) -> Vec<PublicModelProfile> {
+        self.presentation
+            .as_ref()
+            .map(|presentation| {
+                PublicModelProfile::new(
+                    PublicModelId::new("grok-4.5").expect("model"),
+                    presentation.clone(),
+                )
+            })
+            .into_iter()
+            .collect()
+    }
 }

 impl ExecutionService for ModelsExecution {
+    fn client_model_catalog<'a>(
+        &'a self,
+        _client: &'a AuthenticatedClient,
+        protocol: &'a str,
+        version: &'a str,
+    ) -> BoxFuture<'a, Result<Vec<PublicModelDescriptor>, ProviderCatalogUnavailable>> {
+        Box::pin(async move {
+            assert_eq!(protocol, "codex");
+            self.requested_versions
+                .lock()
+                .expect("versions")
+                .push(version.to_owned());
+            self.native.clone().unwrap_or_else(|| {
+                Ok(self
+                    .profiles()
+                    .into_iter()
+                    .map(PublicModelDescriptor::Adapted)
+                    .collect())
+            })
+        })
+    }
+
    fn authenticate(
        &self,
        plaintext: &str,
@@ -102,16 +148,6 @@ impl ExecutionService for ModelsExecution {
            .collect()
    }

-    fn public_model_profiles(&self, _: &AuthenticatedClient) -> Vec<PublicModelProfile> {
-        let Some(presentation) = &self.presentation else {
-            return Vec::new();
-        };
-        vec![PublicModelProfile::new(
-            PublicModelId::new("grok-4.5").expect("model"),
-            presentation.clone(),
-        )]
-    }
-
    fn contains_public_model(&self, _: &AuthenticatedClient, model: &PublicModelId) -> bool {
        matches!(model.as_str(), "model-a" | "model-b")
    }
@@ -145,6 +181,102 @@ fn authorized_request(path: &str) -> Request<Body> {
        .expect("build models request")
 }

+#[tokio::test]
+async fn native_catalog_preserves_complete_objects_and_only_rewrites_alias_slug() {
+    let original = serde_json::json!({
+        "slug": "gpt-native", "display_name": "Official name", "priority": 47,
+        "base_instructions": "Official instructions\nDo not replace.",
+        "model_messages": {"token_budget": "upstream template", "future_section": [null, {"a": true}]},
+        "service_tiers": [{"id": "priority", "name": "Fast", "description": "Official speed tier"}],
+        "tool_mode": "code_mode_only", "use_responses_lite": true,
+        "future_field": {"nested": [1, null, "value"]}, "explicit_null": null
+    });
+    let entry = |model: &str| PublicModelDescriptor::Native {
+        model: PublicModelId::new(model).expect("model"),
+        payload: gateway_core::operation::RawJsonPayload::new(
+            "codex",
+            serde_json::to_vec(&original).expect("JSON").into(),
+        )
+        .expect("payload"),
+    };
+    let execution = Arc::new(ModelsExecution {
+        client: authenticated_client("sk_models_test"),
+        presentation: None,
+        native: Some(Ok(vec![entry("gpt-native"), entry("my-alias")])),
+        requested_versions: Mutex::default(),
+    });
+    let response = api_router(execution.clone())
+        .await
+        .oneshot(authorized_request(
+            "/v1/models?client_version=0.154.0-alpha.3",
+        ))
+        .await
+        .expect("response");
+    assert_eq!(response.status(), StatusCode::OK);
+    assert_eq!(response.headers()["cache-control"], "private, no-store");
+    assert!(response.headers().get("etag").is_none());
+    let body = to_bytes(response.into_body(), usize::MAX)
+        .await
+        .expect("body");
+    let value: serde_json::Value = serde_json::from_slice(&body).expect("JSON");
+    assert_eq!(value["models"][0], original);
+    let mut alias = original;
+    alias["slug"] = serde_json::json!("my-alias");
+    assert_eq!(value["models"][1], alias);
+    assert_eq!(
+        *execution.requested_versions.lock().expect("versions"),
+        ["0.154.0-alpha.3"]
+    );
+}
+
+#[tokio::test]
+async fn native_catalog_failure_does_not_publish_a_synthetic_or_empty_success() {
+    let execution = Arc::new(ModelsExecution {
+        client: authenticated_client("sk_models_test"),
+        presentation: None,
+        native: Some(Err(ProviderCatalogUnavailable)),
+        requested_versions: Mutex::default(),
+    });
+    let response = api_router(execution)
+        .await
+        .oneshot(authorized_request("/v1/models?client_version=0.154.0"))
+        .await
+        .expect("response");
+    assert_eq!(response.status(), StatusCode::SERVICE_UNAVAILABLE);
+    let body = to_bytes(response.into_body(), usize::MAX)
+        .await
+        .expect("body");
+    let value: serde_json::Value = serde_json::from_slice(&body).expect("JSON");
+    assert_eq!(value["error"]["code"], "model_catalog_unavailable");
+    assert!(value.get("models").is_none());
+}
+
+#[tokio::test]
+async fn catalog_rejects_unbounded_or_control_character_versions_before_fetching() {
+    for version in [
+        "x".repeat(65),
+        "0.154.0%0A".to_owned(),
+        "0.154.0%20".to_owned(),
+    ] {
+        let execution = ModelsExecution::new();
+        let response = api_router(execution.clone())
+            .await
+            .oneshot(authorized_request(&format!(
+                "/v1/models?client_version={version}"
+            )))
+            .await
+            .expect("response");
+        assert_eq!(response.status(), StatusCode::BAD_REQUEST);
+        assert!(
+            execution
+                .requested_versions
+                .lock()
+                .expect("versions")
+                .is_empty()
+        );
+    }
+}
+
 #[tokio::test]
 async fn models_should_encode_the_service_visible_catalog() {
    let response = api_router(ModelsExecution::new())
@@ -34,6 +34,7 @@ use gateway_core::event::{
 use gateway_core::operation::{Operation, OperationKind};
 use gateway_core::routing::PublicModelId;
 use gateway_core::upstream::{OpaqueUpstreamValue, UpstreamSendState};
+use gateway_protocol::openai::sse::{encode_sse_event, parse_sse_events};
 use serde_json::{Value, json};

 use gateway_api::openai::responses::{collect_execution_response, stream_execution_response};
@@ -1572,6 +1573,113 @@ async fn streaming_upstream_wire_failure_should_not_be_rewritten_as_a_gateway_er
    );
 }

+#[tokio::test]
+async fn streaming_upstream_error_event_should_be_translated_to_response_failed_for_sse() {
+    let trace = Arc::new(Trace::default());
+    let error_data = json!({
+        "type": "error",
+        "error": {
+            "type": "service_unavailable_error",
+            "code": "server_is_overloaded",
+            "message": "Our servers are currently overloaded. Please try again later.",
+            "param": null,
+            "future_error_field": {"keep": true}
+        },
+        "sequence_number": 2,
+        "future_event_field": {"keep": true}
+    });
+    let projected_error_frame = Bytes::from(encode_sse_event("error", &error_data.to_string()));
+    let error_wire = ProviderEvent::wire(
+        ProtocolWireEvent::json_with_raw_sse_metadata(
+            "openai",
+            Some("error".to_owned()),
+            error_data,
+            projected_error_frame,
+            None,
+            None,
+        )
+        .expect("valid upstream error wire"),
+    );
+    let started_wire = ProviderEvent::canonical_with_wire(
+        vec![started()],
+        ProtocolWireEvent::json(
+            "openai",
+            Some("response.created".to_owned()),
+            json!({
+                "type": "response.created",
+                "response": {
+                    "id": "resp_test",
+                    "model": "public-model",
+                    "status": "in_progress",
+                    "future_response_field": {"keep": true}
+                }
+            }),
+        )
+        .expect("valid upstream started wire"),
+    );
+    let session = FakeSession::streaming(
+        Arc::clone(&trace),
+        vec![
+            NextStep::Event(CoordinatedEvent::single(
+                started_wire,
+                CommitRequirement::CommitBeforeDelivery,
+            )),
+            NextStep::Event(CoordinatedEvent::single(
+                error_wire,
+                CommitRequirement::AlreadyCommitted,
+            )),
+            NextStep::Error(EngineError::Provider(ProviderError::new(
+                ProviderErrorKind::UpstreamCapacityUnavailable,
+                UpstreamSendState::Sent,
+            ))),
+        ],
+    );
+
+    let response = stream_execution_response(Box::new(session), None).await;
+    let body = to_bytes(response.into_body(), usize::MAX)
+        .await
+        .expect("read SSE body");
+    let body = String::from_utf8(body.to_vec()).expect("SSE is UTF-8");
+    let events = parse_sse_events(&body).expect("translated SSE should parse");
+    let failed = events
+        .iter()
+        .find(|event| event.event.as_deref() == Some("response.failed"))
+        .expect("translated response.failed event");
+    let failed: Value = serde_json::from_str(&failed.data).expect("response.failed JSON");
+
+    assert_eq!(
+        (
+            failed,
+            body.matches("event: response.failed").count(),
+            body.contains("event: error\n"),
+            body.ends_with("data: [DONE]\n\n"),
+        ),
+        (
+            json!({
+                "type": "response.failed",
+                "response": {
+                    "id": "resp_test",
+                    "model": "public-model",
+                    "status": "failed",
+                    "error": {
+                        "type": "service_unavailable_error",
+                        "code": "server_is_overloaded",
+                        "message": "Our servers are currently overloaded. Please try again later.",
+                        "param": null,
+                        "future_error_field": {"keep": true}
+                    },
+                    "future_response_field": {"keep": true}
+                },
+                "sequence_number": 2,
+                "future_event_field": {"keep": true}
+            }),
+            1,
+            false,
+            true,
+        )
+    );
+}
+
 #[tokio::test]
 async fn atomic_uncommitted_upstream_failure_batch_should_be_forwarded_once() {
    let trace = Arc::new(Trace::default());
@@ -9,6 +9,106 @@ use super::models::ModelsExecution;

 const REMOVED_BODY_LIMIT_BYTES: usize = 16 * 1024 * 1024;

+#[tokio::test]
+async fn browser_origin_controls_http_admin_sessions_without_configuration() {
+    use axum::body::to_bytes;
+    use serde_json::{Value, json};
+    for (origins, secure) in [
+        (vec!["http://admin.example.test"], false),
+        (vec!["http://192.0.2.1:8080"], false),
+        (vec!["http://[::1]:8080"], false),
+        (vec!["https://admin.example.test"], true),
+        (vec![], true),
+        (vec!["null"], true),
+        (vec!["invalid-origin"], true),
+        (vec!["http://admin.example.test/path"], true),
+        (vec!["http://admin.example.test?https"], true),
+        (vec!["http://user@admin.example.test"], true),
+        (
+            vec!["http://admin.example.test", "https://admin.example.test"],
+            true,
+        ),
+    ] {
+        let app = api_router_with_origins(ModelsExecution::new(), Vec::new()).await;
+        let request = |path: &str| {
+            let mut builder = Request::post(path)
+                .header("content-type", "application/json")
+                .header("x-forwarded-proto", "http")
+                .header("forwarded", "proto=http");
+            for origin in &origins {
+                builder = builder.header("origin", *origin);
+            }
+            builder
+        };
+        let response = app
+            .clone()
+            .oneshot(
+                request("/api/admin/auth/login")
+                    .body(Body::from(
+                        json!({"username": "admin_1", "password": "strong-admin-password"})
+                            .to_string(),
+                    ))
+                    .unwrap(),
+            )
+            .await
+            .unwrap();
+        assert_eq!(response.status(), StatusCode::OK);
+        let cookie = response.headers()["set-cookie"].to_str().unwrap();
+        let session = cookie.split(';').next().unwrap().to_owned();
+        let attrs: Vec<_> = cookie.split(';').map(str::trim).collect();
+        assert_eq!(attrs.contains(&"Secure"), secure);
+        for attribute in ["Path=/", "HttpOnly", "SameSite=Lax"] {
+            assert!(attrs.contains(&attribute));
+        }
+
+        let response = app
+            .clone()
+            .oneshot(
+                Request::get("/api/admin/auth/status")
+                    .header("cookie", &session)
+                    .body(Body::empty())
+                    .unwrap(),
+            )
+            .await
+            .unwrap();
+        let body: Value =
+            serde_json::from_slice(&to_bytes(response.into_body(), 4096).await.unwrap()).unwrap();
+        assert_eq!(body["data"]["authenticated"], true);
+
+        let response = app
+            .clone()
+            .oneshot(
+                request("/api/admin/auth/logout")
+                    .header("cookie", &session)
+                    .body(Body::empty())
+                    .unwrap(),
+            )
+            .await
+            .unwrap();
+        assert_eq!(response.status(), StatusCode::OK);
+        let cookie = response.headers()["set-cookie"].to_str().unwrap();
+        assert!(cookie.starts_with("cpr_admin_session=;"));
+        let attrs: Vec<_> = cookie.split(';').map(str::trim).collect();
+        assert_eq!(attrs.contains(&"Secure"), secure);
+        for attribute in ["Path=/", "HttpOnly", "SameSite=Lax", "Max-Age=0"] {
+            assert!(attrs.contains(&attribute));
+        }
+
+        let response = app
+            .oneshot(
+                Request::get("/api/admin/auth/status")
+                    .header("cookie", &session)
+                    .body(Body::empty())
+                    .unwrap(),
+            )
+            .await
+            .unwrap();
+        let body: Value =
+            serde_json::from_slice(&to_bytes(response.into_body(), 4096).await.unwrap()).unwrap();
+        assert_eq!(body["data"]["authenticated"], false);
+    }
+}
+
 #[tokio::test]
 async fn removed_responses_review_route_should_not_reach_the_responses_handler() {
    let response = api_router_with_origins(ModelsExecution::new(), Vec::new())
@@ -3,7 +3,7 @@
 use crate::diagnostics::TraceContext;
 use serde_json::json;

-use std::collections::BTreeSet;
+use std::collections::{BTreeMap, BTreeSet};
 use std::future::Future;
 use std::num::NonZeroU32;
 use std::sync::Arc;
@@ -192,7 +192,8 @@ where
            excluded_accounts: BTreeSet::new(),
            credential_recovery_attempted_accounts: BTreeSet::new(),
            recovery_account: None,
-            transport_recovery: None,
+            pending_retry: None,
+            transient_retry_counts: BTreeMap::new(),
            current: None,
            send_state_watermark: UpstreamSendState::NotSent,
            downstream_committed_at: None,
@@ -224,6 +225,7 @@ struct CurrentAttempt {
    stream: ProviderStream,
    metadata: ProviderCallMetadata,
    trigger: AttemptTrigger,
+    transport: AttemptTransport,
    index: NonZeroU32,
    started_at: SystemTime,
    send_observed: bool,
@@ -253,10 +255,11 @@ struct FailureFinalization {
 }

 #[derive(Debug, Clone)]
-struct PendingTransportRecovery {
+struct PendingAttemptRetry {
    account: crate::account::ProviderAccountId,
    transport: AttemptTransport,
    delay: Duration,
+    transport_recovery: bool,
 }

 /// API 可逐事件消费的 Core 执行会话。
@@ -294,9 +297,10 @@ pub struct ResponseExecutionSession<S: ?Sized> {
    /// attempt 建立时即被消费，后续可重试错误仍可换号消耗剩余重试预算。
    /// 与 `required_account`（外部指定、贯穿整个请求）语义不同，不可合并。
    recovery_account: Option<crate::account::ProviderAccountId>,
-    /// 上游传输在提交边界前失败后的一次性同账号重试或备用传输钉选。
-    /// 与凭据恢复分开保存，避免把 transport recovery 误记为 OAuth 恢复。
-    transport_recovery: Option<PendingTransportRecovery>,
+    /// 提交前同账号退避/传输恢复共用的等待与钉选状态；业务重试消耗路由预算。
+    pending_retry: Option<PendingAttemptRetry>,
+    /// 请求内按账号累计的瞬时拒绝重试次数，不能跨请求污染账号健康状态。
+    transient_retry_counts: BTreeMap<crate::account::ProviderAccountId, u32>,
    current: Option<CurrentAttempt>,
    /// 请求级发送状态水位；跨 attempt 单调不降，终态写回不得低于此档。
    send_state_watermark: UpstreamSendState,
@@ -693,11 +697,14 @@ where
    }

    async fn prepare_attempt(&mut self) -> Result<Option<PullOutcome>, EngineError> {
-        let transport_recovery = self.transport_recovery.take();
-        if transport_recovery.is_none() && self.routing_attempts >= self.plan.max_attempts().get() {
+        let pending_retry = self.pending_retry.take();
+        let is_transport_recovery = pending_retry
+            .as_ref()
+            .is_some_and(|retry| retry.transport_recovery);
+        if !is_transport_recovery && self.routing_attempts >= self.plan.max_attempts().get() {
            return Err(EngineError::EmptyRoutingPlan);
        }
-        if let Some(recovery) = transport_recovery.as_ref()
+        if let Some(recovery) = pending_retry.as_ref()
            && !recovery.delay.is_zero()
        {
            match poll_retry_delay(recovery.delay, self.cancellation.clone(), self.deadline).await {
@@ -738,8 +745,7 @@ where
            .ok_or(EngineError::EmptyRoutingPlan)?;
        // 请求局部恢复钉选在此被一次性消费，只绑定本次 replay attempt；
        // 外部 required_account 每次 attempt 都重新生效。
-        let is_transport_recovery = transport_recovery.is_some();
-        let (pinned_account, attempt_transport) = if let Some(recovery) = transport_recovery {
+        let (pinned_account, attempt_transport) = if let Some(recovery) = pending_retry {
            (Some(recovery.account), recovery.transport)
        } else {
            match &self.account_selection {
@@ -1018,6 +1024,7 @@ where
            stream,
            metadata,
            trigger,
+            transport: attempt_transport,
            index: next_attempt,
            started_at: SystemTime::now(),
            send_observed: false,
@@ -1190,6 +1197,27 @@ where
            && attempt_send_state != UpstreamSendState::Ambiguous
            && provider_proved_replay_safe
            && self.routing_attempts < self.plan.max_attempts().get();
+        let transient_retry = match error.pre_delivery_retry() {
+            Some(crate::error::PreDeliveryRetry::SameAccountTransientRetry {
+                max_retries,
+                initial_delay,
+                max_delay,
+            }) if ordinary_retry => {
+                let retries = self
+                    .transient_retry_counts
+                    .entry(current.metadata.provider_account_id().clone())
+                    .or_default();
+                if *retries < max_retries.get() {
+                    let multiplier = 1_u32.checked_shl(*retries).unwrap_or(u32::MAX);
+                    let delay = initial_delay.saturating_mul(multiplier).min(max_delay);
+                    *retries = retries.saturating_add(1);
+                    Some(delay)
+                } else {
+                    None
+                }
+            }
+            _ => None,
+        };
        let same_account_retry = error.retries_same_account()
            && provider_proved_replay_safe
            && self.downstream_committed_at.is_none()
@@ -1209,7 +1237,8 @@ where
            "retryable": retryable, "continuationRetry": continuation_retry,
            "sameAccountRetry": same_account_retry, "accountRotationRetry": account_rotation_retry,
            "ordinaryRetry": ordinary_retry, "transportRecovery": transport_recovery.is_some(),
-            "delayMs": transport_recovery.map(|(_, delay)| duration_ms(delay)),
+            "transientRetry": transient_retry.is_some(),
+            "delayMs": transient_retry.or(transport_recovery.map(|(_, delay)| delay)).map(duration_ms),
            "downstreamCommitted": self.downstream_committed_at.is_some(),
            "sendState": format!("{attempt_send_state:?}"),
        }));
@@ -1229,11 +1258,19 @@ where
                // 只钉住紧随其后的 replay attempt；replay 再遇可重试错误时，
                // ordinary/continuation 重试门不受影响，仍可换号。
                self.recovery_account = Some(account);
+            } else if let Some(delay) = transient_retry {
+                self.pending_retry = Some(PendingAttemptRetry {
+                    account: current.metadata.provider_account_id().clone(),
+                    transport: current.transport,
+                    delay,
+                    transport_recovery: false,
+                });
            } else if let Some((transport, delay)) = transport_recovery {
-                self.transport_recovery = Some(PendingTransportRecovery {
+                self.pending_retry = Some(PendingAttemptRetry {
                    account: current.metadata.provider_account_id().clone(),
                    transport,
                    delay,
+                    transport_recovery: true,
                });
            } else if !continuation_retry {
                self.excluded_accounts
@@ -37,7 +37,8 @@ use crate::lifecycle::CancellationToken;
 use crate::operation::{Operation, ProviderSessionState};
 use crate::policy::{ClientApiKeyId, ClientPolicy};
 use crate::routing::{
-    PublicModelId, PublicModelProfile, RoutingContext, RuntimeSnapshot, UpstreamModelId,
+    ProviderCatalogUnavailable, PublicModelDescriptor, PublicModelId, RoutingContext,
+    RuntimeSnapshot, UpstreamModelId,
 };
 use crate::runtime::RuntimeSnapshotHandle;

@@ -187,8 +188,13 @@ pub trait ExecutionService: Send + Sync {
        plaintext: &str,
    ) -> Result<AuthenticatedClient, ClientAuthenticationError>;
    fn public_models(&self, client: &AuthenticatedClient) -> Vec<PublicModelId>;
-    fn public_model_profiles(&self, _client: &AuthenticatedClient) -> Vec<PublicModelProfile> {
-        Vec::new()
+    fn client_model_catalog<'a>(
+        &'a self,
+        _client: &'a AuthenticatedClient,
+        _protocol: &'a str,
+        _client_version: &'a str,
+    ) -> BoxFuture<'a, Result<Vec<PublicModelDescriptor>, ProviderCatalogUnavailable>> {
+        Box::pin(async { Err(ProviderCatalogUnavailable) })
    }
    fn contains_public_model(&self, client: &AuthenticatedClient, model: &PublicModelId) -> bool;
    fn start(
@@ -920,10 +926,77 @@ impl ExecutionService for DefaultExecutionService {
            .public_models_for_scope(client.policy.account_scope())
    }

-    fn public_model_profiles(&self, client: &AuthenticatedClient) -> Vec<PublicModelProfile> {
-        client
-            .snapshot
-            .public_model_profiles_for_scope(client.policy.account_scope())
+    fn client_model_catalog<'a>(
+        &'a self,
+        client: &'a AuthenticatedClient,
+        protocol: &'a str,
+        client_version: &'a str,
+    ) -> BoxFuture<'a, Result<Vec<PublicModelDescriptor>, ProviderCatalogUnavailable>> {
+        Box::pin(async move {
+            let scope = client.policy.account_scope();
+            let mut result = Vec::new();
+            let mut seen = BTreeSet::new();
+            for kind in scope.provider_kinds() {
+                let provider = self.providers.get(kind).ok_or(ProviderCatalogUnavailable)?;
+                let Some(models) = provider
+                    .query_client_model_catalog(scope, protocol, client_version)
+                    .await?
+                else {
+                    for profile in client.snapshot.public_model_profiles_for_provider(kind) {
+                        if seen.insert(profile.model().clone()) {
+                            result.push(PublicModelDescriptor::Adapted(profile));
+                        }
+                    }
+                    continue;
+                };
+                // 保留上游顺序；映射只选择完整的目标对象，不能跨账号/模型混拼字段。
+                let by_id = models
+                    .iter()
+                    .map(|entry| (entry.model.as_str(), entry))
+                    .collect::<std::collections::BTreeMap<_, _>>();
+                for entry in &models {
+                    let target = client.snapshot.mapped_model(entry.model.as_str());
+                    let Some(source) = by_id.get(target.as_str()) else {
+                        continue;
+                    };
+                    let model = PublicModelId::new(entry.model.as_str().to_owned())
+                        .map_err(|_| ProviderCatalogUnavailable)?;
+                    // 原生目录可能比路由快照更新，不能向客户端公布当前已知不可路由的模型。
+                    if !client
+                        .snapshot
+                        .contains_public_model_for_provider(&model, kind)
+                    {
+                        continue;
+                    }
+                    if seen.insert(model.clone()) {
+                        result.push(PublicModelDescriptor::Native {
+                            model,
+                            payload: source.payload.clone(),
+                        });
+                    }
+                }
+                for model in client.snapshot.public_models_for_provider(kind) {
+                    let target = client.snapshot.mapped_model(model.as_str());
+                    if target == model.as_str() || seen.contains(&model) {
+                        continue;
+                    }
+                    if !client
+                        .snapshot
+                        .contains_public_model_for_provider(&model, kind)
+                    {
+                        continue;
+                    }
+                    if let Some(source) = by_id.get(target.as_str()) {
+                        seen.insert(model.clone());
+                        result.push(PublicModelDescriptor::Native {
+                            model,
+                            payload: source.payload.clone(),
+                        });
+                    }
+                }
+            }
+            Ok(result)
+        })
    }

    fn contains_public_model(&self, client: &AuthenticatedClient, model: &PublicModelId) -> bool {
@@ -503,6 +503,20 @@ pub trait Provider: Send + Sync {
        &self,
    ) -> Result<Vec<ProviderModelCapabilities>, ProviderError>;

+    /// 读取当前客户端协议的原生目录，必须限定到认证时冻结的账号范围。
+    /// `None` 表示不提供该协议的原生目录；读取失败不能伪装成不支持。
+    async fn query_client_model_catalog(
+        &self,
+        _scope: &crate::account::scope::FrozenAccountScope,
+        _protocol: &str,
+        _client_version: &str,
+    ) -> Result<
+        Option<Vec<crate::routing::ProviderModelDescriptor>>,
+        crate::routing::ProviderCatalogUnavailable,
+    > {
+        Ok(None)
+    }
+
    /// 选择一个未被排除的资源并返回 cold [`ProviderStream`]。
    ///
    /// 返回成功、返回错误或准备 future 被取消前，均不得发送本次请求的上游握手或业务
@@ -46,6 +46,8 @@ pub enum ProviderErrorKind {
    Protocol,
    /// Provider 暂不可用。
    Unavailable,
+    /// 上游明确拒绝当前请求的模型容量；不证明整个 Provider 的基础设施故障。
+    UpstreamCapacityUnavailable,
    /// 请求被取消。
    Cancelled,
    /// 进程终止后由恢复流程收敛。
@@ -71,6 +73,7 @@ impl ProviderErrorKind {
            Self::Transport => "transport",
            Self::Protocol => "protocol",
            Self::Unavailable => "unavailable",
+            Self::UpstreamCapacityUnavailable => "upstream_capacity_unavailable",
            Self::Cancelled => "cancelled",
            Self::ProcessTerminated => "process_terminated",
        }
@@ -105,6 +108,15 @@ pub enum ContinuationRecoveryDisposition {
 pub enum PreDeliveryRetry {
    /// 排除本次账号，按普通调度策略重新选号。
    AccountRotation,
+    /// 上游明确拒绝后的同账号退避；耗尽后仍由普通安全重放规则决定是否换号。
+    SameAccountTransientRetry {
+        /// 每个账号在本请求中的重试上限，同时受总路由预算约束。
+        max_retries: NonZeroU32,
+        /// 指数退避的起始间隔。
+        initial_delay: Duration,
+        /// 单次等待上限，避免上游提示把请求拖入长时间等待。
+        max_delay: Duration,
+    },
    /// 固定本次账号，并按 Provider 给出的序号重试当前传输。
    SameAccountTransportRetry {
        /// Provider-owned 传输重试序号，从 1 开始。
@@ -409,7 +421,7 @@ pub struct ProviderError {
    continuation_recovery_disposition: Option<ContinuationRecoveryDisposition>,
    failure_observation: Option<Box<ProviderErrorFailureObservation>>,
    replay_safe: bool,
-    pre_delivery_retry: Option<PreDeliveryRetry>,
+    pre_delivery_retry: Option<Box<PreDeliveryRetry>>,
    credential_recovery_required: bool,
    retry_same_account: bool,
    sensitive_context_redacted: bool,
@@ -557,8 +569,8 @@ impl ProviderError {
    /// Provider 选择了“客户端无感恢复优先”的传输策略。Core 在 continuation、
    /// 指定账号或下游已经进入提交状态时必须忽略它。
    #[must_use]
-    pub const fn with_pre_delivery_retry(mut self) -> Self {
-        self.pre_delivery_retry = Some(PreDeliveryRetry::AccountRotation);
+    pub fn with_pre_delivery_retry(mut self) -> Self {
+        self.pre_delivery_retry = Some(Box::new(PreDeliveryRetry::AccountRotation));
        self
    }

@@ -567,14 +579,14 @@ impl ProviderError {
    /// 与普通换号恢复相同，Core 仍会拒绝 continuation、指定账号、预算耗尽或
    /// 下游已提交后的隐藏重放。
    #[must_use]
-    pub const fn with_pre_delivery_transport_fallback(mut self) -> Self {
+    pub fn with_pre_delivery_transport_fallback(mut self) -> Self {
        self.set_pre_delivery_transport_fallback();
        self
    }

    /// 原地设置同账号备用传输恢复，保留当前错误携带的原客户端响应。
-    pub const fn set_pre_delivery_transport_fallback(&mut self) {
-        self.pre_delivery_retry = Some(PreDeliveryRetry::SameAccountTransportFallback);
+    pub fn set_pre_delivery_transport_fallback(&mut self) {
+        self.pre_delivery_retry = Some(Box::new(PreDeliveryRetry::SameAccountTransportFallback));
    }

    /// 允许 Core 在首个客户端事件前固定原账号并重试当前 Provider 传输。
@@ -582,7 +594,7 @@ impl ProviderError {
    /// 重试预算和退避策略由 Provider 所属协议定义；Core 只负责同账号钉选、
    /// deadline/取消边界以及下游 commit barrier。
    #[must_use]
-    pub const fn with_pre_delivery_transport_retry(
+    pub fn with_pre_delivery_transport_retry(
        mut self,
        retry_index: NonZeroU32,
        delay: Duration,
@@ -592,13 +604,11 @@ impl ProviderError {
    }

    /// 原地设置同账号当前传输重试，保留当前错误携带的原客户端响应。
-    pub const fn set_pre_delivery_transport_retry(
-        &mut self,
-        retry_index: NonZeroU32,
-        delay: Duration,
-    ) {
-        self.pre_delivery_retry =
-            Some(PreDeliveryRetry::SameAccountTransportRetry { retry_index, delay });
+    pub fn set_pre_delivery_transport_retry(&mut self, retry_index: NonZeroU32, delay: Duration) {
+        self.pre_delivery_retry = Some(Box::new(PreDeliveryRetry::SameAccountTransportRetry {
+            retry_index,
+            delay,
+        }));
    }

    /// 要求 Core 在账号凭据已恢复后仅对原账号重放一次。
@@ -608,6 +618,22 @@ impl ProviderError {
        self
    }

+    /// 请求有界同账号退避；该意图本身不提供安全重放证据。
+    #[must_use]
+    pub fn with_transient_retry(
+        mut self,
+        max_retries: NonZeroU32,
+        initial_delay: Duration,
+        max_delay: Duration,
+    ) -> Self {
+        self.pre_delivery_retry = Some(Box::new(PreDeliveryRetry::SameAccountTransientRetry {
+            max_retries,
+            initial_delay,
+            max_delay,
+        }));
+        self
+    }
+
    /// 标记上游明确拒绝应先触发 OAuth 恢复，而不是直接废弃账号。
    #[must_use]
    pub const fn with_credential_recovery(mut self) -> Self {
@@ -748,7 +774,10 @@ impl ProviderError {
    /// 返回下游提交前由 Provider 选择的隐藏恢复方式。
    #[must_use]
    pub const fn pre_delivery_retry(&self) -> Option<PreDeliveryRetry> {
-        self.pre_delivery_retry
+        match self.pre_delivery_retry.as_ref() {
+            Some(retry) => Some(**retry),
+            None => None,
+        }
    }

    /// 返回 Provider 是否已完成凭据恢复并要求原账号重放。
@@ -822,7 +851,7 @@ impl Clone for ProviderError {
            continuation_recovery_disposition: self.continuation_recovery_disposition,
            failure_observation: self.failure_observation.clone(),
            replay_safe: self.replay_safe,
-            pre_delivery_retry: self.pre_delivery_retry,
+            pre_delivery_retry: self.pre_delivery_retry.clone(),
            credential_recovery_required: self.credential_recovery_required,
            retry_same_account: self.retry_same_account,
            sensitive_context_redacted: self.sensitive_context_redacted,
@@ -1064,6 +1093,7 @@ impl GatewayError {
            ProviderErrorKind::Transport
            | ProviderErrorKind::Protocol
            | ProviderErrorKind::Unavailable
+            | ProviderErrorKind::UpstreamCapacityUnavailable
            | ProviderErrorKind::ProcessTerminated => Self::new(
                GatewayErrorKind::UpstreamUnavailable,
                "upstream service is unavailable",
@@ -521,7 +521,7 @@ impl fmt::Debug for ProviderResponseHeader {
    }
 }

-/// Core 消费的实际上游响应事实。
+/// Core 消费的 Provider 执行观测，不会原样进入客户端响应。
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct ProviderResponseObservation {
    transport: UpstreamTransport,
@@ -575,7 +575,7 @@ impl ProviderResponseObservation {
        self
    }

-    /// 附加 Provider 在响应中确认的服务档位。
+    /// 附加 Provider 确定的统计档位，Core 不重新解释其来源。
    ///
    /// # Errors
    ///
@@ -590,7 +590,7 @@ impl ProviderResponseObservation {
        Ok(self)
    }

-    /// 附加合法服务档位；不适合持久化的上游观测值会被忽略。
+    /// 附加 Provider 确定的统计档位；不适合持久化的值会被忽略。
    #[must_use]
    pub fn with_service_tier_if_valid(mut self, service_tier: impl Into<String>) -> Self {
        let service_tier = service_tier.into();
@@ -225,10 +225,10 @@ impl fmt::Debug for ProtocolPayload {
    }
 }

-/// 客户端协议交给 Provider 的未经重编码 JSON 正文。
+/// 协议 adapter 与 Provider 之间不透明传递的 JSON 正文。
 ///
-/// 协议 adapter 只确定路由端点；Core 保留原始字节与非 wire 上下文，
-/// 不验证、解析或改写正文。
+/// Core 保留字节与非 wire 上下文，不验证、解析或改写正文；
+/// 请求载荷与原生模型目录均由协议 adapter 和对应 Provider 共同拥有语义。
 #[derive(Clone, PartialEq, Eq)]
 pub struct RawJsonPayload {
    protocol: String,
@@ -237,7 +237,7 @@ pub struct RawJsonPayload {
 }

 impl RawJsonPayload {
-    /// 创建未经重编码的协议 JSON 正文。
+    /// 创建不透明的协议 JSON 正文。
    ///
    /// # Errors
    ///
@@ -260,7 +260,7 @@ impl RawJsonPayload {
        &self.protocol
    }

-    /// 返回 adapter 收到的原始 JSON 字节。
+    /// 返回协议正文的 JSON 字节。
    #[must_use]
    pub const fn body(&self) -> &Bytes {
        &self.body
@@ -53,13 +53,28 @@ impl PlaintextClientApiKey {
    ///
    /// # Errors
    ///
-    /// Key 为空、过长或包含控制字符时返回错误。
+    /// Key 为空或无法作为 HTTP Bearer 值发送时返回错误。
    pub fn new(value: impl Into<String>) -> Result<Self, IdentifierError> {
        let value = value.into();
-        validate_text(&value, 512, false, None)?;
+        Self::validate(&value)?;
        Ok(Self(value))
    }

+    /// 迁入的 Key 不限定前缀或长度；保持原值，仅校验 HTTP 可传输的非空可见 ASCII。
+    ///
+    /// # Errors
+    ///
+    /// Key 为空或包含空白、控制字符、非 ASCII 字符时返回错误。
+    pub fn validate(value: &str) -> Result<(), IdentifierError> {
+        if value.is_empty() {
+            return Err(IdentifierError::Empty);
+        }
+        if !value.bytes().all(|byte| byte.is_ascii_graphic()) {
+            return Err(IdentifierError::InvalidFormat);
+        }
+        Ok(())
+    }
+
    /// 仅借给同步认证器做常量时间比较。
    #[must_use]
    pub fn expose_for_auth(&self) -> &str {
@@ -1,12 +1,32 @@
-//! 快照编译需要的 Provider 目录事实，不暴露执行或账号选择能力。
+//! 快照编译与客户端读取需要的 Provider 目录合同，不暴露执行或账号选择能力。

 use std::collections::BTreeMap;

 use futures::future::BoxFuture;

 use crate::identity::ProviderKind;
+use crate::operation::RawJsonPayload;

-use super::{ModelCapabilities, ModelPresentation, UpstreamModelId};
+use super::{
+    ModelCapabilities, ModelPresentation, PublicModelId, PublicModelProfile, UpstreamModelId,
+};
+
+/// Provider 原生客户端目录条目；Core 只解释模型标识，不解释协议正文。
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct ProviderModelDescriptor {
+    pub model: UpstreamModelId,
+    pub payload: RawJsonPayload,
+}
+
+/// 对外目录保留原生正文；只有没有原生目录的 Provider 才使用通用画像适配。
+#[derive(Debug, Clone)]
+pub enum PublicModelDescriptor {
+    Native {
+        model: PublicModelId,
+        payload: RawJsonPayload,
+    },
+    Adapted(PublicModelProfile),
+}

 /// Provider 实时目录编译后的单模型能力。
 #[derive(Debug, Clone, PartialEq, Eq)]
@@ -10,7 +10,7 @@ pub use crate::account::scope::{
 pub use crate::identity::ProviderKind;
 pub use catalog::{
    ProviderCatalogGeneration, ProviderCatalogPort, ProviderCatalogUnavailable,
-    ProviderModelCapabilities,
+    ProviderModelCapabilities, ProviderModelDescriptor, PublicModelDescriptor,
 };
 pub use snapshot::RuntimeSnapshot;

@@ -3318,6 +3318,284 @@ fn provider_owned_transport_retries_keep_the_same_account_until_fallback() {
    assert_eq!(state.finalizations[0].outcome, ExecutionOutcome::Succeeded);
 }

+fn transient_rejection() -> ProviderError {
+    ProviderError::new(
+        ProviderErrorKind::UpstreamCapacityUnavailable,
+        UpstreamSendState::Sent,
+    )
+    .with_replay_safe()
+    .with_transient_retry(
+        NonZeroU32::new(3).expect("retry budget"),
+        Duration::ZERO,
+        Duration::ZERO,
+    )
+}
+
+#[test]
+fn transient_retries_back_off_on_the_same_account_then_rotate_with_a_fresh_budget() {
+    let operation = generate_operation();
+    let route_plan = plan(&operation);
+    let mut scripts = (0..4)
+        .map(|_| Script::Stream {
+            account_id: "acct_first",
+            items: vec![Err(transient_rejection())],
+        })
+        .collect::<Vec<_>>();
+    scripts.push(Script::Stream {
+        account_id: "acct_second",
+        items: vec![Err(transient_rejection())],
+    });
+    scripts.push(Script::Stream {
+        account_id: "acct_second",
+        items: complete_stream(None),
+    });
+    let (coordinator, store, provider) = coordinator(scripts);
+    let mut session = block_on(coordinator.start(
+        model_request(&operation, SystemTime::now() + Duration::from_secs(30)),
+        operation,
+        route_plan,
+        None,
+        None,
+        CancellationToken::new(),
+    ))
+    .expect("start execution");
+    block_on(session.collect_uncommitted()).expect("second account succeeds");
+    block_on(session.commit_downstream(Some(200))).expect("commit");
+    let first = ProviderAccountId::new("acct_first").expect("account");
+    let second = ProviderAccountId::new("acct_second").expect("account");
+    let contexts = provider.contexts.lock().expect("contexts");
+    assert_eq!(contexts.len(), 6);
+    for context in &contexts[1..4] {
+        assert_eq!(context.required_account(), Some(&first));
+        assert!(!context.excluded_accounts().contains(&first));
+    }
+    assert_eq!(contexts[4].required_account(), None);
+    assert!(contexts[4].excluded_accounts().contains(&first));
+    assert_eq!(contexts[5].required_account(), Some(&second));
+    assert!(!contexts[5].excluded_accounts().contains(&second));
+    assert!(
+        contexts
+            .iter()
+            .all(|context| context.transport() == AttemptTransport::Default)
+    );
+    assert_eq!(
+        store.state.lock().expect("store").finalizations[0].attempt_count,
+        6
+    );
+}
+
+#[test]
+fn transient_retries_consume_the_total_routing_budget() {
+    let operation = generate_operation();
+    let route_plan = plan(&operation);
+    let max_attempts = route_plan.max_attempts();
+    let scripts = (0..max_attempts.get())
+        .map(|_| Script::Stream {
+            account_id: "acct_first",
+            items: vec![Err(transient_rejection().with_transient_retry(
+                max_attempts,
+                Duration::ZERO,
+                Duration::ZERO,
+            ))],
+        })
+        .collect();
+    let (coordinator, store, provider) = coordinator(scripts);
+    let mut session = block_on(coordinator.start(
+        model_request(&operation, SystemTime::now() + Duration::from_secs(30)),
+        operation,
+        route_plan,
+        None,
+        None,
+        CancellationToken::new(),
+    ))
+    .expect("start execution");
+    assert!(matches!(
+        block_on(session.collect_uncommitted()),
+        Err(EngineError::Provider(_))
+    ));
+    assert_eq!(
+        provider.contexts.lock().expect("contexts").len(),
+        max_attempts.get() as usize
+    );
+    assert_eq!(
+        store.state.lock().expect("store").finalizations[0].attempt_count,
+        max_attempts.get()
+    );
+}
+
+#[test]
+fn transient_retry_intent_does_not_supply_replay_proof_or_override_ambiguous_send() {
+    for (send_state, prove_safe) in [
+        (UpstreamSendState::Sent, false),
+        (UpstreamSendState::Ambiguous, true),
+    ] {
+        let operation = generate_operation();
+        let route_plan = plan(&operation);
+        let mut error = ProviderError::new(ProviderErrorKind::Unavailable, send_state)
+            .with_transient_retry(NonZeroU32::MIN, Duration::ZERO, Duration::ZERO);
+        if prove_safe {
+            error = error.with_replay_safe();
+        }
+        let (coordinator, _, provider) = coordinator(vec![Script::Stream {
+            account_id: "acct_first",
+            items: vec![Err(error)],
+        }]);
+        let mut session = block_on(coordinator.start(
+            model_request(&operation, SystemTime::now() + Duration::from_secs(30)),
+            operation,
+            route_plan,
+            None,
+            None,
+            CancellationToken::new(),
+        ))
+        .expect("start execution");
+        assert!(matches!(
+            block_on(session.collect_uncommitted()),
+            Err(EngineError::Provider(_))
+        ));
+        assert_eq!(provider.contexts.lock().expect("contexts").len(), 1);
+    }
+}
+
+#[test]
+fn transient_backoff_obeys_request_deadline() {
+    let operation = generate_operation();
+    let route_plan = plan(&operation);
+    let (coordinator, _, provider) = coordinator(vec![Script::Stream {
+        account_id: "acct_first",
+        items: vec![Err(transient_rejection().with_transient_retry(
+            NonZeroU32::MIN,
+            Duration::from_secs(60),
+            Duration::from_secs(60),
+        ))],
+    }]);
+    let mut session = block_on(coordinator.start(
+        model_request(&operation, SystemTime::now() + Duration::from_millis(100)),
+        operation,
+        route_plan,
+        None,
+        None,
+        CancellationToken::new(),
+    ))
+    .expect("start execution");
+    assert!(matches!(
+        block_on(session.collect_uncommitted()),
+        Err(EngineError::Deadline)
+    ));
+    assert_eq!(provider.contexts.lock().expect("contexts").len(), 1);
+}
+
+#[test]
+fn transient_retry_keeps_http_fallback_for_the_pinned_account() {
+    let operation = generate_operation();
+    let route_plan = plan(&operation);
+    let (coordinator, _, provider) = coordinator(vec![
+        Script::Stream {
+            account_id: "acct_first",
+            items: vec![Err(ProviderError::new(
+                ProviderErrorKind::Transport,
+                UpstreamSendState::NotSent,
+            )
+            .with_pre_delivery_transport_fallback())],
+        },
+        Script::Stream {
+            account_id: "acct_first",
+            items: vec![Err(transient_rejection())],
+        },
+        Script::Stream {
+            account_id: "acct_first",
+            items: complete_stream(None),
+        },
+    ]);
+    let mut session = block_on(coordinator.start(
+        model_request(&operation, SystemTime::now() + Duration::from_secs(30)),
+        operation,
+        route_plan,
+        None,
+        None,
+        CancellationToken::new(),
+    ))
+    .expect("start execution");
+    block_on(session.collect_uncommitted()).expect("fallback succeeds after backoff");
+    let contexts = provider.contexts.lock().expect("contexts");
+    assert_eq!(contexts.len(), 3);
+    assert_eq!(contexts[2].transport(), AttemptTransport::Fallback);
+}
+
+#[test]
+fn transient_retry_is_suppressed_for_required_accounts_and_committed_output() {
+    for committed in [false, true] {
+        let operation = generate_operation();
+        let route_plan = plan(&operation);
+        let mut items = Vec::new();
+        if committed {
+            items.push(Ok(GatewayEvent::Started(ResponseMeta::new(
+                "response-visible",
+                "gpt-5",
+            ))));
+        }
+        items.push(Err(transient_rejection()));
+        let (coordinator, _, provider) = coordinator(vec![Script::Stream {
+            account_id: "acct_first",
+            items,
+        }]);
+        let mut session = block_on(coordinator.start(
+            model_request(&operation, SystemTime::now() + Duration::from_secs(30)),
+            operation,
+            route_plan,
+            (!committed).then(|| ProviderAccountId::new("acct_first").expect("account")),
+            None,
+            CancellationToken::new(),
+        ))
+        .expect("start execution");
+        if committed {
+            block_on(session.next_event())
+                .expect("first event")
+                .expect("visible event");
+            block_on(session.commit_downstream(Some(200))).expect("commit output");
+        }
+        assert!(matches!(
+            block_on(session.next_event()),
+            Err(EngineError::Provider(_))
+        ));
+        assert_eq!(provider.contexts.lock().expect("contexts").len(), 1);
+    }
+}
+
+#[test]
+fn transient_backoff_can_be_cancelled_before_the_next_attempt() {
+    let operation = generate_operation();
+    let route_plan = plan(&operation);
+    let (coordinator, _, provider) = coordinator(vec![Script::Stream {
+        account_id: "acct_first",
+        items: vec![Err(transient_rejection().with_transient_retry(
+            NonZeroU32::MIN,
+            Duration::from_secs(60),
+            Duration::from_secs(60),
+        ))],
+    }]);
+    let cancellation = CancellationToken::new();
+    let mut session = block_on(coordinator.start(
+        model_request(&operation, SystemTime::now() + Duration::from_secs(30)),
+        operation,
+        route_plan,
+        None,
+        None,
+        cancellation.clone(),
+    ))
+    .expect("start execution");
+    let cancel = std::thread::spawn(move || {
+        std::thread::sleep(Duration::from_millis(50));
+        cancellation.cancel();
+    });
+    assert!(matches!(
+        block_on(session.collect_uncommitted()),
+        Err(EngineError::Cancelled)
+    ));
+    cancel.join().expect("cancel task");
+    assert_eq!(provider.contexts.lock().expect("contexts").len(), 1);
+}
+
 #[test]
 fn final_capacity_exhaustion_returns_the_last_retryable_upstream_failure() {
    let operation = generate_operation();
@@ -863,6 +863,9 @@ fn only_provider_attributable_failures_should_affect_circuit() {
    assert!(!provider_failure_affects_circuit(
        ProviderErrorKind::ContinuationRecoveryRequired
    ));
+    assert!(!provider_failure_affects_circuit(
+        ProviderErrorKind::UpstreamCapacityUnavailable
+    ));
 }

 #[test]
@@ -996,6 +999,108 @@ fn probe_observation_store_failure_preserves_the_provider_error() {

 struct FailingProvider;

+struct NativeCatalogProvider {
+    fail: bool,
+}
+
+#[async_trait]
+impl Provider for NativeCatalogProvider {
+    fn name(&self) -> &'static str {
+        "openai"
+    }
+    fn catalog_generation(&self) -> ProviderCatalogGeneration {
+        ProviderCatalogGeneration::default()
+    }
+    async fn query_model_capabilities(
+        &self,
+    ) -> Result<Vec<ProviderModelCapabilities>, ProviderError> {
+        Ok(Vec::new())
+    }
+    async fn query_client_model_catalog(
+        &self,
+        scope: &FrozenAccountScope,
+        protocol: &str,
+        version: &str,
+    ) -> Result<
+        Option<Vec<gateway_core::routing::ProviderModelDescriptor>>,
+        gateway_core::routing::ProviderCatalogUnavailable,
+    > {
+        assert!(scope.allows(&ProviderAccountId::new("acct_start").expect("account")));
+        assert!(!scope.allows(&ProviderAccountId::new("acct_other").expect("account")));
+        assert_eq!((protocol, version), ("codex", "0.154.0"));
+        if self.fail {
+            return Err(gateway_core::routing::ProviderCatalogUnavailable);
+        }
+        Ok(Some(
+            ["gpt-new", "gpt-start"]
+                .into_iter()
+                .map(|id| gateway_core::routing::ProviderModelDescriptor {
+                    model: UpstreamModelId::new(id).expect("id"),
+                    payload: RawJsonPayload::new(
+                        "codex",
+                        serde_json::to_vec(&json!({"slug":id,"future":null}))
+                            .expect("JSON")
+                            .into(),
+                    )
+                    .expect("payload"),
+                })
+                .collect(),
+        ))
+    }
+    async fn execute(
+        &self,
+        _: ProviderRequest,
+        _: AttemptContext,
+    ) -> Result<ProviderStream, ProviderError> {
+        panic!("catalog must not use metered execution")
+    }
+}
+
+#[test]
+fn client_catalog_forwards_scope_maps_whole_objects_and_omits_unroutable_models() {
+    for fail in [false, true] {
+        let snapshot = start_snapshot().with_model_mappings(BTreeMap::from([
+            ("alias".to_owned(), "gpt-start".to_owned()),
+            ("missing-alias".to_owned(), "unavailable-model".to_owned()),
+        ]));
+        let service = DefaultExecutionService::new(
+            RuntimeSnapshotHandle::new(snapshot),
+            Arc::new(TrackingExecutionStore::default()),
+            ProviderRegistry::new([Arc::new(NativeCatalogProvider { fail }) as Arc<dyn Provider>])
+                .expect("registry"),
+            Arc::new(UnusedAdmissions),
+            Arc::new(UnusedCircuits),
+            Arc::new(UnusedContinuation),
+            Arc::new(RecordingClientApiKeyUsage::default()),
+        );
+        let client = service.authenticate("sk_start_test").expect("authenticate");
+        let result = block_on(service.client_model_catalog(&client, "codex", "0.154.0"));
+        if fail {
+            assert!(
+                result.is_err(),
+                "native failure cannot use the global synthesized catalog"
+            );
+            continue;
+        }
+        let models = result.expect("models");
+        let pairs = models
+            .iter()
+            .map(|entry| {
+                let gateway_core::routing::PublicModelDescriptor::Native { model, payload } = entry
+                else {
+                    panic!("native required")
+                };
+                (model.as_str(), payload.body())
+            })
+            .collect::<Vec<_>>();
+        assert_eq!(
+            pairs.iter().map(|(id, _)| *id).collect::<Vec<_>>(),
+            ["gpt-start", "alias"]
+        );
+        assert_eq!(pairs[0].1, pairs[1].1, "Core preserves alias payload bytes");
+    }
+}
+
 #[async_trait]
 impl Provider for FailingProvider {
    fn name(&self) -> &'static str {
@@ -57,6 +57,29 @@ fn plaintext_client_key_debug_should_be_redacted() {
    assert_eq!(key.expose_for_auth(), "sk_must_not_appear");
 }

+#[test]
+fn migrated_client_keys_keep_their_exact_value_without_prefix_or_length_limits() {
+    for value in [
+        "q".to_owned(),
+        "legacy-!@#$%^&*()[]{}:;,.?/+=~|\\".to_owned(),
+        "x".repeat(8192),
+    ] {
+        assert_eq!(plaintext(&value).expose_for_auth(), value);
+    }
+    for value in [
+        "",
+        " ",
+        " key",
+        "key ",
+        "key\n",
+        "key\tvalue",
+        "key\u{7f}",
+        "密钥",
+    ] {
+        assert!(PlaintextClientApiKey::new(value).is_err());
+    }
+}
+
 #[test]
 fn client_version_should_require_strict_semver() {
    assert!(CodexClientVersion::parse("0.152.0").is_ok());
@@ -2,7 +2,7 @@

 use std::fmt;

-use serde_json::json;
+use serde_json::{Value, json};
 use thiserror::Error;

 /// 单条 SSE 事件。
@@ -277,12 +277,7 @@ pub fn response_failed_sse_data_with_id(
        "code": code,
        "message": message,
    });
-    let response_id = response_id
-        .filter(|value| !value.trim().is_empty())
-        .map_or_else(
-            || format!("resp_proxy_{}", uuid::Uuid::new_v4().simple()),
-            ToString::to_string,
-        );
+    let response_id = response_id_or_generated(response_id);
    json!({
        "type": "response.failed",
        "response": {
@@ -294,6 +289,50 @@ pub fn response_failed_sse_data_with_id(
    })
 }

+/// 将携带嵌套错误的上游事件投影为 OpenAI Responses `response.failed` 数据。
+///
+/// 该投影供客户端 SSE 兼容转换使用。原始错误对象和事件级元数据保持不透明；
+/// 已有 response 快照只更新失败终态字段。
+pub fn response_failed_sse_data_from_error_event(
+    response: Option<&Value>,
+    response_id: Option<&str>,
+    error_event: &Value,
+) -> Option<Value> {
+    let mut event = error_event.as_object()?.clone();
+    let error = event.remove("error").filter(Value::is_object)?;
+    let mut response = response
+        .and_then(Value::as_object)
+        .cloned()
+        .unwrap_or_default();
+    let has_response_id = response
+        .get("id")
+        .and_then(Value::as_str)
+        .is_some_and(|value| !value.trim().is_empty());
+    if !has_response_id {
+        response.insert(
+            "id".to_owned(),
+            Value::String(response_id_or_generated(response_id)),
+        );
+    }
+    response.insert("status".to_owned(), Value::String("failed".to_owned()));
+    response.insert("error".to_owned(), error);
+    event.insert(
+        "type".to_owned(),
+        Value::String("response.failed".to_owned()),
+    );
+    event.insert("response".to_owned(), Value::Object(response));
+    Some(Value::Object(event))
+}
+
+fn response_id_or_generated(response_id: Option<&str>) -> String {
+    response_id
+        .filter(|value| !value.trim().is_empty())
+        .map_or_else(
+            || format!("resp_proxy_{}", uuid::Uuid::new_v4().simple()),
+            ToString::to_string,
+        )
+}
+
 /// 返回下一个完整 SSE 帧结束位置（含分隔符）。
 pub fn sse_frame_end(bytes: &[u8]) -> Option<usize> {
    sse_frame_separator_bytes(bytes).map(|(position, separator_len)| position + separator_len)
@@ -1,8 +1,10 @@
 use gateway_protocol::openai::sse::{
    DONE_SSE_FRAME, MAX_SSE_EVENT_BUFFER_BYTES, SseError, SseEvent, SseEventDecoder,
-    encode_sse_event, encode_sse_event_with_metadata, parse_sse_events, response_failed_sse_event,
+    encode_sse_event, encode_sse_event_with_metadata, parse_sse_events,
+    response_failed_sse_data_from_error_event, response_failed_sse_event,
    response_failed_sse_event_with_id, sse_frame_end, sse_frame_is_done,
 };
+use serde_json::json;

 fn sse_body_has_done(body: &str) -> bool {
    body.trim_end_matches(['\r', '\n'])
@@ -386,6 +388,57 @@ fn response_failed_event_should_preserve_existing_response_id() {
    assert_eq!(data["response"]["id"], "resp_existing");
 }

+#[test]
+fn response_failed_projection_should_preserve_response_error_and_event_metadata() {
+    let response = json!({
+        "id": "resp_existing",
+        "model": "gpt-test",
+        "status": "in_progress",
+        "future_response_field": {"keep": true}
+    });
+    let error_event = json!({
+        "type": "error",
+        "error": {
+            "type": "service_unavailable_error",
+            "code": "server_is_overloaded",
+            "message": "overloaded",
+            "param": null,
+            "future_error_field": {"keep": true}
+        },
+        "sequence_number": 2,
+        "future_event_field": {"keep": true}
+    });
+
+    let projected = response_failed_sse_data_from_error_event(
+        Some(&response),
+        Some("ignored_fallback"),
+        &error_event,
+    )
+    .expect("wrapped error event should project");
+
+    assert_eq!(
+        projected,
+        json!({
+            "type": "response.failed",
+            "response": {
+                "id": "resp_existing",
+                "model": "gpt-test",
+                "status": "failed",
+                "error": {
+                    "type": "service_unavailable_error",
+                    "code": "server_is_overloaded",
+                    "message": "overloaded",
+                    "param": null,
+                    "future_error_field": {"keep": true}
+                },
+                "future_response_field": {"keep": true}
+            },
+            "sequence_number": 2,
+            "future_event_field": {"keep": true}
+        })
+    );
+}
+
 #[test]
 fn done_frame_detection_should_require_exact_single_data_field() {
    assert_eq!(
@@ -47,7 +47,6 @@ use crate::{
 use super::{ControlPlaneRepository, PgControlPlaneRepository};

 const ENTITY: &str = "client API key";
-const KEY_LENGTH: usize = 46;
 const CLIENT_API_KEY_LAST_USED_FLUSH_DELAY: Duration = Duration::from_secs(1);
 const CLIENT_API_KEY_LAST_USED_SHUTDOWN_TIMEOUT: Duration = Duration::from_secs(2);

@@ -355,7 +354,8 @@ impl ClientApiKeyRepository for PgClientApiKeyRepository {
        query.validate()?;
        let total = count_client_api_keys(&self.pool, query.search.as_deref()).await?;
        let mut statement = QueryBuilder::<Postgres>::new(
-            "select k.id, k.name, k.label, left(k.key, 10) as prefix, k.enabled,
+            "select k.id, k.name, k.label,
+                    left(k.key, least(10, length(k.key) / 2)) as prefix, k.enabled,
                    k.max_concurrency, k.requests_per_minute, k.last_used_at, k.created_at,
                    k.updated_at, '[]'::jsonb as groups, '{}'::text[] as provider_kinds
             from client_api_keys k
@@ -414,7 +414,8 @@ impl ClientApiKeyRepository for PgClientApiKeyRepository {
    async fn get_client_api_key(&self, id: &str) -> StoreResult<Option<ClientApiKeyRecord>> {
        require_nonempty(ENTITY, "id", id)?;
        let record = sqlx::query(
-            "select k.id, k.name, k.label, left(k.key, 10) as prefix, k.enabled,
+            "select k.id, k.name, k.label,
+                    left(k.key, least(10, length(k.key) / 2)) as prefix, k.enabled,
                    k.max_concurrency, k.requests_per_minute, k.last_used_at, k.created_at,
                    k.updated_at, coalesce(groups.groups, '[]'::jsonb) as groups,
                    case
@@ -977,6 +978,7 @@ pub(crate) async fn insert_client_api_key_in_transaction(
    key: &NewClientApiKey,
 ) -> StoreResult<()> {
    key.validate()?;
+    ensure_client_key_name_available(transaction, &key.id, key.name.trim()).await?;
    sqlx::query(
        "insert into client_api_keys (
           id, name, label, key, enabled, max_concurrency, requests_per_minute,
@@ -984,7 +986,7 @@ pub(crate) async fn insert_client_api_key_in_transaction(
         ) values ($1, $2, $3, $4, true, $5, $6, null, now(), now(), $7::text::numeric, $8::text::numeric)",
    )
    .bind(&key.id)
-    .bind(&key.name)
+    .bind(key.name.trim())
    .bind(&key.label)
    .bind(&key.key)
    .bind(to_i64(key.max_concurrency)?)
@@ -993,7 +995,20 @@ pub(crate) async fn insert_client_api_key_in_transaction(
    .bind(key.budget.weekly_usd.canonical())
    .execute(&mut **transaction)
    .await
-    .map_err(|_| postgres_unavailable("insert client API key in transaction"))?;
+    .map_err(|error| {
+        if error.as_database_error().is_some_and(|database| {
+            database.is_unique_violation()
+                && database.constraint() == Some("client_api_keys_key_sha256_idx")
+        }) {
+            StoreError::Conflict {
+                entity: ENTITY,
+                id: key.id.clone(),
+                kind: crate::ConflictKind::InvalidTransition,
+            }
+        } else {
+            postgres_unavailable("insert client API key in transaction")
+        }
+    })?;
    replace_client_api_key_groups_in_transaction(transaction, &key.id, &key.group_ids).await?;
    Ok(())
 }
@@ -1003,6 +1018,7 @@ pub(crate) async fn update_client_api_key_in_transaction(
    key: &UpdateClientApiKeyDetails,
 ) -> StoreResult<()> {
    key.validate()?;
+    ensure_client_key_name_available(transaction, &key.id, key.name.trim()).await?;
    let result = sqlx::query(
        "update client_api_keys
         set name = $2, label = $3, max_concurrency = $4,
@@ -1012,7 +1028,7 @@ pub(crate) async fn update_client_api_key_in_transaction(
         where id = $1",
    )
    .bind(&key.id)
-    .bind(&key.name)
+    .bind(key.name.trim())
    .bind(&key.label)
    .bind(to_i64(key.max_concurrency)?)
    .bind(to_i64(key.requests_per_minute)?)
@@ -1025,6 +1041,32 @@ pub(crate) async fn update_client_api_key_in_transaction(
    replace_client_api_key_groups_in_transaction(transaction, &key.id, &key.group_ids).await
 }

+async fn ensure_client_key_name_available(
+    transaction: &mut Transaction<'_, Postgres>,
+    id: &str,
+    name: &str,
+) -> StoreResult<()> {
+    // 调用方已通过递增配置版本持有控制面行锁，查重与写入在同一事务内串行执行。
+    // 不回填历史重名数据；创建和保存时统一校验，更新排除当前记录。
+    let duplicate: bool = sqlx::query_scalar(
+        "select exists(select 1 from client_api_keys
+         where lower(btrim(name)) = lower($1) and id <> $2)",
+    )
+    .bind(name)
+    .bind(id)
+    .fetch_one(&mut **transaction)
+    .await
+    .map_err(|_| postgres_unavailable("check client API key name"))?;
+    if duplicate {
+        return Err(StoreError::Conflict {
+            entity: ENTITY,
+            id: id.to_owned(),
+            kind: crate::ConflictKind::DuplicateName,
+        });
+    }
+    Ok(())
+}
+
 pub(crate) async fn set_client_api_key_enabled_in_transaction(
    transaction: &mut Transaction<'_, Postgres>,
    id: &str,
@@ -1119,18 +1161,8 @@ fn validate_group_ids(group_ids: &[String]) -> StoreResult<()> {
 }

 fn validate_key(key: &str) -> StoreResult<()> {
-    let valid = key.len() == KEY_LENGTH
-        && key.starts_with("sk_")
-        && key[3..]
-            .bytes()
-            .all(|byte| byte.is_ascii_alphanumeric() || matches!(byte, b'-' | b'_'));
-    if valid {
-        Ok(())
-    } else {
-        Err(invalid(
-            "key must be sk_ followed by 43 URL-safe characters",
-        ))
-    }
+    PlaintextClientApiKey::validate(key)
+        .map_err(|_| invalid("key must contain nonempty visible ASCII characters"))
 }

 fn client_secret_from_row(
@@ -1204,9 +1236,6 @@ fn push_client_key_search(statement: &mut QueryBuilder<Postgres>, search: Option
        statement.push_bind(prefix.clone());
        statement.push(" escape '\\'");
        statement.push(" or lower(coalesce(label, '')) like ");
-        statement.push_bind(prefix.clone());
-        statement.push(" escape '\\'");
-        statement.push(" or lower(left(key, 10)) like ");
        statement.push_bind(prefix);
        statement.push(" escape '\\'");
        statement.push(")");
@@ -254,5 +254,6 @@ fn push_prefix_search(statement: &mut QueryBuilder<Postgres>, columns: &[&str],
        statement.push_bind(pattern.clone());
        statement.push(" escape '\\'");
    }
+    push_client_key_name_search(statement, "mr.client_api_key_ref", pattern);
    statement.push(")");
 }
@@ -94,22 +94,25 @@ pub(crate) fn push_usage_filter(
            query.push(format!(" escape '\\' or {alias}.{column} like "));
            query.push_bind(pattern.clone());
        }
-        if value.starts_with("sk_") {
-            query.push(format!(
-                " escape '\\' or exists (
-                   select 1 from client_api_keys searched_client_key
-                    where searched_client_key.id = {alias}.client_api_key_ref
-                      and searched_client_key.key like "
-            ));
-            query.push_bind(pattern);
-            query.push(" escape '\\')");
-        } else {
-            query.push(" escape '\\'");
-        }
+        query.push(" escape '\\'");
+        push_client_key_name_search(query, &format!("{alias}.client_api_key_ref"), pattern);
        query.push(")");
    }
 }

+pub(crate) fn push_client_key_name_search(
+    query: &mut QueryBuilder<Postgres>,
+    key_ref: &str,
+    pattern: String,
+) {
+    query.push(format!(
+        " or exists (select 1 from client_api_keys searched_client_key
+         where searched_client_key.id = {key_ref} and searched_client_key.name ilike "
+    ));
+    query.push_bind(pattern);
+    query.push(" escape '\\')");
+}
+
 pub(crate) fn literal_prefix_pattern(value: &str) -> String {
    format!(
        "{}%",
@@ -11,11 +11,15 @@ use sqlx::{Postgres, QueryBuilder};
 /// 因此不属于用量记录。图片端点由请求意图证明其用量语义，不依赖文本模型字段。
 /// 客户端 WebSocket 的每个 `response.create` 没有独立 HTTP 状态码；成功终态与下游
 /// 提交边界已足以证明交付，连接握手的 101 不能冒充单次请求状态。
+/// OpenAI Provider 将 `generate=false` 归类为 `prewarm`：它只准备连接与上下文，
+/// 即使响应带有模型和输入 Token，也不是推理用量；原始审计和费用事实仍保留。
 pub(crate) fn completed_usage_fact_predicate(alias: &str) -> String {
    let evidence = usage_evidence_predicate(alias);
    format!(
        "{alias}.outcome = 'succeeded'
         and {alias}.downstream_committed_at is not null
+         and ({alias}.provider_kind is distinct from 'openai'
+              or {alias}.request_kind is distinct from 'prewarm')
         and (({alias}.client_transport = 'websocket' and {alias}.client_status_code is null)
              or {alias}.client_status_code between 200 and 399)
         and ({evidence})"
@@ -13,6 +13,7 @@ pub enum StoreBackend {
 #[derive(Debug, Clone, Copy, PartialEq, Eq)]
 pub enum ConflictKind {
    StaleRevision,
+    DuplicateName,
    AlreadyFinalized,
    DownstreamAlreadyCommitted,
    RequestNotRunning,
@@ -105,6 +106,10 @@ pub(crate) fn admin_store_error(resource: &'static str, error: StoreError) -> Ad
            kind: ConflictKind::StaleRevision,
            ..
        } => AdminStoreErrorKind::StaleRevision,
+        StoreError::Conflict {
+            kind: ConflictKind::DuplicateName,
+            ..
+        } => AdminStoreErrorKind::DuplicateName,
        StoreError::Conflict { .. } => AdminStoreErrorKind::Conflict,
        StoreError::InvalidData { .. } => AdminStoreErrorKind::Invalid,
        StoreError::Unavailable { .. } => AdminStoreErrorKind::Unavailable,
@@ -21,8 +21,122 @@ use gateway_store::postgres::{

 use super::TestDatabase;

+#[tokio::test]
+async fn migrated_keys_persist_exactly_and_keep_short_keys_masked() {
+    use gateway_admin::model::{MutationActor, MutationContext, client_keys::NewClientKey};
+    use gateway_core::policy::RateLimits;
+    use gateway_store::postgres::{PgRuntimeSnapshotRepository, RuntimeSnapshotRepository};
+
+    let Some(database) = TestDatabase::create("migrated_keys").await else {
+        return;
+    };
+    let store = PgAdminClientKeyStore::new(database.pool.clone());
+    let context = MutationContext {
+        actor: MutationActor::System,
+        request_id: "migration-test".to_owned(),
+    };
+    let long_key: String = (0..160)
+        .map(|_| uuid::Uuid::new_v4().simple().to_string())
+        .collect();
+    let values = [
+        "q".to_owned(),
+        "abc".to_owned(),
+        "sk-legacy/key+value=:!@\\".to_owned(),
+        long_key,
+    ];
+    for (index, key) in values.iter().enumerate() {
+        let id = ClientApiKeyId::new(format!("key_migrated_{index}")).unwrap();
+        let (_, record) = store
+            .create_client_key(
+                NewClientKey {
+                    id: id.clone(),
+                    name: format!("Migrated {index}"),
+                    label: None,
+                    group_ids: Vec::new(),
+                    limits: RateLimits {
+                        max_concurrency: 3,
+                        requests_per_minute: 25,
+                    },
+                    budget: Default::default(),
+                    plaintext: key.clone(),
+                },
+                &context,
+            )
+            .await
+            .unwrap();
+        assert_eq!(record.prefix.len(), 10.min(key.len() / 2));
+        assert_ne!(record.prefix, *key);
+        let revealed = store.reveal_client_key(&id).await.unwrap().unwrap();
+        assert_eq!(revealed.expose_for_response(), key);
+    }
+    let snapshot = PgRuntimeSnapshotRepository::new(database.pool.clone())
+        .load_runtime_snapshot()
+        .await
+        .unwrap();
+    assert_eq!(snapshot.client_api_keys.len(), values.len());
+    for key in &values {
+        let record = snapshot
+            .client_api_keys
+            .iter()
+            .find(|item| item.plaintext_key.expose_for_auth() == key)
+            .unwrap();
+        assert_eq!(record.limits.max_concurrency, 3);
+    }
+    database.close().await;
+}
+
+#[tokio::test]
+async fn duplicate_migrated_keys_conflict_atomically_without_extra_audits() {
+    use gateway_admin::{
+        model::{MutationActor, MutationContext, client_keys::NewClientKey},
+        ports::store::AdminStoreErrorKind,
+    };
+    use gateway_core::policy::RateLimits;
+
+    let Some(database) = TestDatabase::create("duplicate_keys").await else {
+        return;
+    };
+    let store = PgAdminClientKeyStore::new(database.pool.clone());
+    let context = MutationContext {
+        actor: MutationActor::System,
+        request_id: "duplicate-test".to_owned(),
+    };
+    let key = "legacy-key-case-sensitive!";
+    let command = |id: &str| NewClientKey {
+        id: ClientApiKeyId::new(id).unwrap(),
+        name: id.to_owned(),
+        label: None,
+        group_ids: Vec::new(),
+        limits: RateLimits::unlimited(),
+        budget: Default::default(),
+        plaintext: key.to_owned(),
+    };
+    let (first, second) = tokio::join!(
+        store.create_client_key(command("key_first"), &context),
+        store.create_client_key(command("key_second"), &context)
+    );
+    assert_ne!(first.is_ok(), second.is_ok());
+    let error = first.err().or_else(|| second.err()).unwrap();
+    assert_eq!(error.kind(), AdminStoreErrorKind::Conflict);
+    assert!(!format!("{error:?}").contains(key));
+    let counts: (i64, i64) = sqlx::query_as(
+        "select (select count(*) from client_api_keys), (select count(*) from admin_audit_events)",
+    )
+    .fetch_one(&database.pool)
+    .await
+    .unwrap();
+    assert_eq!(counts, (1, 1));
+    let mut different_case = command("key_case_sensitive");
+    different_case.plaintext = key.to_uppercase();
+    store
+        .create_client_key(different_case, &context)
+        .await
+        .unwrap();
+    database.close().await;
+}
+
 #[test]
-fn client_key_requires_the_frozen_plaintext_format() {
+fn generated_client_key_format_remains_valid() {
    let key = NewClientApiKey {
        budget: Default::default(),
        id: "key-1".to_owned(),
@@ -36,6 +150,142 @@ fn client_key_requires_the_frozen_plaintext_format() {
    assert!(key.validate().is_ok());
 }

+#[tokio::test]
+async fn client_key_names_are_checked_atomically_on_create_and_rename() {
+    use gateway_admin::{
+        model::{
+            MutationActor, MutationContext,
+            client_keys::{NewClientKey, UpdateClientKey},
+        },
+        ports::store::AdminStoreErrorKind,
+    };
+    use gateway_core::policy::RateLimits;
+
+    let Some(database) = TestDatabase::create("duplicate_key_names").await else {
+        return;
+    };
+    let store = PgAdminClientKeyStore::new(database.pool.clone());
+    let context = MutationContext {
+        actor: MutationActor::System,
+        request_id: "duplicate-name-test".to_owned(),
+    };
+    let create = |id: &str, name: &str| NewClientKey {
+        id: ClientApiKeyId::new(id).unwrap(),
+        name: name.to_owned(),
+        label: None,
+        group_ids: Vec::new(),
+        limits: RateLimits::unlimited(),
+        budget: Default::default(),
+        plaintext: format!("synthetic-credential-{id}"),
+    };
+    let update = |id: ClientApiKeyId, name: &str| UpdateClientKey {
+        id,
+        name: name.to_owned(),
+        label: None,
+        group_ids: Vec::new(),
+        limits: RateLimits::unlimited(),
+        daily_limit_usd: None,
+        weekly_limit_usd: None,
+    };
+    let (first, second) = tokio::join!(
+        store.create_client_key(create("key_name_first", "Production"), &context),
+        store.create_client_key(create("key_name_second", " production "), &context),
+    );
+    let (winner, conflict) = match (first, second) {
+        (Ok((_, record)), Err(error)) | (Err(error), Ok((_, record))) => (record, error),
+        results => panic!("expected one committed create: {results:?}"),
+    };
+    assert_eq!(conflict.kind(), AdminStoreErrorKind::DuplicateName);
+    assert_eq!(winner.name.trim(), winner.name);
+    let counts: (i64, i64) = sqlx::query_as(
+        "select (select count(*) from client_api_keys), (select count(*) from admin_audit_events)",
+    )
+    .fetch_one(&database.pool)
+    .await
+    .unwrap();
+    assert_eq!(counts, (1, 1));
+
+    let (revision, _) = store
+        .update_client_key(update(winner.id.clone(), "PRODUCTION"), &context)
+        .await
+        .unwrap();
+    let (_, other) = store
+        .create_client_key(create("key_name_other", "Staging"), &context)
+        .await
+        .unwrap();
+    let error = store
+        .update_client_key(update(other.id.clone(), " production "), &context)
+        .await
+        .unwrap_err();
+    assert_eq!(error.kind(), AdminStoreErrorKind::DuplicateName);
+    let unchanged = store.reveal_client_key(&other.id).await.unwrap().unwrap();
+    assert_eq!(unchanged.record.name, "Staging");
+    let persisted_revision: i64 =
+        sqlx::query_scalar("select config_revision from runtime_settings where id = 1")
+            .fetch_one(&database.pool)
+            .await
+            .unwrap();
+    assert_eq!(persisted_revision as u64, revision.get() + 1);
+
+    let (first, second) = tokio::join!(
+        store.update_client_key(update(winner.id, "Shared"), &context),
+        store.update_client_key(update(other.id, "SHARED"), &context),
+    );
+    assert_ne!(first.is_ok(), second.is_ok());
+    assert_eq!(
+        first.err().or_else(|| second.err()).unwrap().kind(),
+        AdminStoreErrorKind::DuplicateName
+    );
+    database.close().await;
+}
+
+#[tokio::test]
+async fn client_key_search_matches_names_and_labels_but_never_credential_values() {
+    let Some(database) = TestDatabase::create("key_name_search").await else {
+        return;
+    };
+    let generated = format!("sk_{}", "K".repeat(43));
+    for (id, name, key) in [
+        ("key_generated", "Production", generated.as_str()),
+        ("key_custom", "生产_%专用", "legacy-token+/123"),
+    ] {
+        sqlx::query(
+            "insert into client_api_keys (id, name, label, key, created_at, updated_at)
+            values ($1, $2, 'backend label', $3, now(), now())",
+        )
+        .bind(id)
+        .bind(name)
+        .bind(key)
+        .execute(&database.pool)
+        .await
+        .unwrap();
+    }
+    let repository = PgClientApiKeyRepository::new(database.pool.clone());
+    for (search, expected) in [
+        ("PROD", 1),
+        ("生产_%", 1),
+        ("生产X", 0),
+        ("backend", 2),
+        (generated.as_str(), 0),
+        (&generated[..10], 0),
+        ("legacy-token+/123", 0),
+        ("legacy-", 0),
+    ] {
+        let page = repository
+            .list_client_api_keys(ClientApiKeyListQuery {
+                cursor: None,
+                page_size: 10,
+                search: Some(search.to_owned()),
+                sort: ClientApiKeySort::default(),
+            })
+            .await
+            .unwrap();
+        assert_eq!(page.total, expected, "search: {search}");
+        assert_eq!(page.items.len() as u64, expected);
+    }
+    database.close().await;
+}
+
 #[tokio::test]
 async fn client_key_list_uses_safe_keyset_search_and_filtered_total() {
    let Some(database) = TestDatabase::create("client_key_page").await else {
@@ -331,7 +331,7 @@ async fn assert_usage_search_ids(
 }

 #[tokio::test]
-async fn usage_search_should_match_client_api_key_prefix() {
+async fn usage_and_error_search_match_key_names_instead_of_credentials() {
    let Some(database) = TestDatabase::create("usage_client_api_key_search").await else {
        return;
    };
@@ -342,7 +342,7 @@ async fn usage_search_should_match_client_api_key_prefix() {
    let plaintext_key = format!("sk_{}", "K".repeat(43));
    sqlx::query(
        "insert into client_api_keys (id, name, key, enabled, created_at, updated_at)
-         values ('key_observe', 'usage search', $1, true, $2, $2)",
+         values ('key_observe', 'Production_%专用', $1, true, $2, $2)",
    )
    .bind(&plaintext_key)
    .bind(now)
@@ -352,22 +352,53 @@ async fn usage_search_should_match_client_api_key_prefix() {
    let range = ObservabilityRange::new(now - TimeDelta::hours(1), now + TimeDelta::hours(1))
        .expect("observability range");

-    for search in [plaintext_key.as_str(), &plaintext_key[..10]] {
-        let page = observability_repository(&database.pool)
-            .list_usage_records(UsageRecordQuery {
-                range,
-                filter: UsageRecordFilter {
-                    search: Some(search.to_owned()),
-                    ..UsageRecordFilter::default()
-                },
-                current_page: 1,
-                page_size: ObservabilityPageSize::new(10).expect("page size"),
-            })
+    let repository = observability_repository(&database.pool);
+    for key in [plaintext_key.as_str(), "legacy-key+/123"] {
+        sqlx::query("update client_api_keys set key = $1 where id = 'key_observe'")
+            .bind(key)
+            .execute(&database.pool)
            .await
-            .expect("search usage by client API key");
+            .unwrap();
+        for (search, expected) in [
+            ("production", 1),
+            ("PRODUCTION_%", 1),
+            ("ProductionX", 0),
+            (key, 0),
+            (&key[..10], 0),
+        ] {
+            let page = repository
+                .list_usage_records(UsageRecordQuery {
+                    range,
+                    filter: UsageRecordFilter {
+                        search: Some(search.to_owned()),
+                        ..UsageRecordFilter::default()
+                    },
+                    current_page: 1,
+                    page_size: ObservabilityPageSize::new(10).expect("page size"),
+                })
+                .await
+                .expect("search usage by client API key name");

-        assert_eq!(page.total, 1);
-        assert_eq!(page.items[0].id, "req_observe_success");
+            assert_eq!(page.total, expected, "search: {search}");
+            assert_eq!(page.items.len() as u64, expected);
+            if expected == 1 {
+                assert_eq!(page.items[0].id, "req_observe_success");
+            }
+            let errors = repository
+                .list_ops_errors(OpsErrorQuery {
+                    range,
+                    filter: OpsErrorFilter {
+                        search: Some(search.to_owned()),
+                        ..Default::default()
+                    },
+                    current_page: 1,
+                    page_size: ObservabilityPageSize::new(10).unwrap(),
+                })
+                .await
+                .unwrap();
+            assert_eq!(errors.total, expected * 2, "error search: {search}");
+            assert_eq!(errors.items.len() as u64, expected * 2);
+        }
    }
    database.close().await;
 }
@@ -1,5 +1,165 @@
 use super::*;
 use gateway_admin::model::quota_forecast_sampling::MAX_FORECAST_HISTORY_POINTS;
+use gateway_store::postgres::{
+    ObservabilityPageSize, ObservabilityRange, ObservabilityRepository, ProviderAccountUsageQuery,
+    UsageRecordFilter, UsageRecordQuery,
+};
+
+#[tokio::test]
+async fn quota_forecast_excludes_openai_prewarm_but_preserves_inference_and_audit() {
+    let Some(database) = TestDatabase::create("forecast_prewarm").await else {
+        return;
+    };
+    PgProviderAccountRepository::new(database.pool.clone())
+        .insert_provider_account(account("acct_prewarm", "user-prewarm"))
+        .await
+        .unwrap();
+    let start = Utc::now() - TimeDelta::minutes(30);
+    let end = start + TimeDelta::minutes(20);
+    for (id, minute, tokens) in [("normal", 1, 100), ("review", 2, 200), ("prewarm", 3, 400)] {
+        // 普通成功推理也可以只有输入 Token，不能用 output_tokens = 0 判定预热。
+        seed_model_request(
+            &database.pool,
+            ModelRequestSeed {
+                request_id: id,
+                account_id: "acct_prewarm",
+                provider_kind: "openai",
+                model: "gpt-test",
+                total_tokens: tokens,
+                cost_amount: "1",
+                started_at: start + TimeDelta::minutes(minute),
+            },
+        )
+        .await
+        .unwrap();
+    }
+    sqlx::query("update model_requests set request_kind = 'review' where id = 'review'")
+        .execute(&database.pool)
+        .await
+        .unwrap();
+    sqlx::query(
+        "update model_requests set request_kind = 'prewarm', client_transport = 'websocket',
+          client_status_code = null, upstream_transport = 'websocket', service_tier = 'auto',
+          cost_source = 'unavailable', cost_amount = null, cost_currency = null,
+          provider_observation_json = '{\"upstreamServiceTier\":\"auto\"}'::jsonb
+         where id = 'prewarm'",
+    )
+    .execute(&database.pool)
+    .await
+    .unwrap();
+    let store = admin_account_store(&database.pool);
+    let query = AccountUsageWindowQuery {
+        account_id: "acct_prewarm".to_owned(),
+        key: "week".to_owned(),
+        range: TimeRange { start, end },
+    };
+    let history = store.load_quota_forecast_history(&query).await.unwrap();
+    assert_eq!(history.usage.request_count, 2);
+    assert_eq!(history.usage.tokens, 300);
+    assert_eq!(history.usage.missing_token_count, 0);
+    assert_eq!(history.usage.known_cost_count, 2);
+    assert_eq!(history.usage.unavailable_cost_count, 0);
+    assert_eq!(history.usage.usd, 2.0);
+    assert_eq!(history.usage.excluded_request_count, 1);
+    assert_eq!(history.pending_request_count, 0);
+    // 预热响应携带的额度观测仍可配对，但它不增加累计推理用量。
+    assert_eq!(history.points.len(), 1);
+    assert_eq!(history.points[0].usage, history.usage);
+
+    let repository = super::super::observability_repository(&database.pool);
+    let range = ObservabilityRange::new(start, end).unwrap();
+    let account_usage = repository
+        .provider_account_usage(
+            ProviderAccountUsageQuery::for_accounts(range, vec!["acct_prewarm".to_owned()])
+                .unwrap(),
+        )
+        .await
+        .unwrap();
+    assert_eq!(account_usage[0].request_count, 2);
+    assert_eq!(account_usage[0].cost_coverage.unavailable_count, 0);
+    let records = repository
+        .list_usage_records(UsageRecordQuery {
+            range,
+            filter: UsageRecordFilter::default(),
+            current_page: 1,
+            page_size: ObservabilityPageSize::new(10).unwrap(),
+        })
+        .await
+        .unwrap();
+    assert_eq!(records.total, 2);
+    assert!(records.items.iter().all(|record| record.id != "prewarm"));
+    let detail = repository.usage_record_detail("prewarm").await.unwrap();
+    assert_eq!(detail.request.request_kind.as_deref(), Some("prewarm"));
+    assert_eq!(detail.request.service_tier.as_deref(), Some("auto"));
+    let dashboard = repository.dashboard_summary(range, end).await.unwrap();
+    assert_eq!(dashboard.totals.request_count, 3);
+    assert_eq!(dashboard.totals.total_tokens, 300);
+
+    // 真正推理的未知费用仍必须阻止费用外推，不能靠放宽覆盖门槛掩盖缺失。
+    sqlx::query(
+        "update model_requests set cost_source = 'unavailable', cost_amount = null,
+          cost_currency = null, service_tier = 'auto' where id = 'review'",
+    )
+    .execute(&database.pool)
+    .await
+    .unwrap();
+    let history = store.load_quota_forecast_history(&query).await.unwrap();
+    assert_eq!(history.usage.request_count, 2);
+    assert_eq!(history.usage.known_cost_count, 1);
+    assert_eq!(history.usage.unavailable_cost_count, 1);
+    assert_eq!(history.usage.usd, 1.0);
+    assert_eq!(history.usage.excluded_request_count, 1);
+    database.close().await;
+}
+
+#[tokio::test]
+async fn quota_forecast_does_not_apply_openai_prewarm_semantics_to_other_providers() {
+    let Some(database) = TestDatabase::create("forecast_xai_kind").await else {
+        return;
+    };
+    let mut candidate = account("acct_xai_kind", "user-xai-kind");
+    candidate.provider_kind = "xai".to_owned();
+    PgProviderAccountRepository::new(database.pool.clone())
+        .insert_provider_account(candidate)
+        .await
+        .unwrap();
+    let start = Utc::now() - TimeDelta::minutes(30);
+    seed_model_request(
+        &database.pool,
+        ModelRequestSeed {
+            request_id: "xai_kind",
+            account_id: "acct_xai_kind",
+            provider_kind: "xai",
+            model: "grok-test",
+            total_tokens: 100,
+            cost_amount: "1",
+            started_at: start,
+        },
+    )
+    .await
+    .unwrap();
+    sqlx::query("update model_requests set request_kind = 'prewarm' where id = 'xai_kind'")
+        .execute(&database.pool)
+        .await
+        .unwrap();
+    let history = admin_account_store(&database.pool)
+        .load_quota_forecast_history(&AccountUsageWindowQuery {
+            account_id: "acct_xai_kind".to_owned(),
+            key: "week".to_owned(),
+            range: TimeRange {
+                start,
+                end: start + TimeDelta::minutes(10),
+            },
+        })
+        .await
+        .unwrap();
+    assert_eq!(history.usage.request_count, 1);
+    assert_eq!(history.usage.tokens, 100);
+    assert_eq!(history.usage.known_cost_count, 1);
+    assert_eq!(history.usage.usd, 1.0);
+    assert_eq!(history.usage.excluded_request_count, 0);
+    database.close().await;
+}

 #[tokio::test]
 async fn quota_forecast_pairs_completed_usage_and_preserves_missing_pending_and_excluded_counts() {
@@ -13,6 +13,7 @@ async-trait = "0.1.89"
 base64 = "0.23.0"
 bytes = "1.11.1"
 chrono = { version = "0.4.45", features = ["clock", "serde"] }
+chrono-tz = { version = "0.10", features = ["serde"] }
 cookie = "0.18.1"
 futures = "0.3.32"
 flate2 = "1.1.9"
@@ -22,27 +23,30 @@ gateway-protocol = { path = "../../gateway-protocol" }
 getrandom = "0.4.3"
 hex = "0.4.3"
 # TLS 依赖按官方 Core 锁文件固定，包含用于约束传递依赖的直接声明。
+# hyper 受 workspace 的 SOCKS IPv6 修复补丁约束，保留补丁要求的兼容版本。
 # 升级前须重复采样 ClientHello，核对算法、扩展集合及排序约束、key_share 与 ALPN。
-aws-lc-rs = "=1.18.1"
+aws-lc-rs = "=1.16.2"
 hyper = { version = "=1.11.1", default-features = false }
 hyper-rustls = "=0.27.7"
 hyper-util = { version = "0.1.20", features = ["client-legacy", "http1", "tokio"] }
-# 与官方 Codex Desktop 一致：reqwest 不启用压缩特性，上游请求不带 accept-encoding。
-reqwest = { version = "=0.12.28", default-features = false, features = ["json", "stream", "cookies", "rustls-tls-native-roots", "http2", "socks"] }
+# 与官方 Codex Desktop 一致：HTTP 默认走 native-tls，rustls 保留给自定义 CA 回退；
+# vendored OpenSSL 固定 Linux 发布版的 TLS 画像，且不启用压缩特性。
+native-tls = "=0.2.14"
+reqwest = { version = "=0.12.28", features = ["json", "stream", "cookies", "rustls-tls-native-roots", "socks"] }
 roxmltree = "0.21.1"
 semver = "1.0.27"
 # 与官方 rustls 路径一致：aws-lc 支持 P-521，优先提供 X25519MLKEM768。
 # reqwest 的 roots feature 仍会编译 ring；实际 provider 由 TLS 初始化显式选择。
 rustls = { version = "=0.23.36", default-features = false, features = ["aws_lc_rs", "prefer-post-quantum", "std", "tls12"] }
-rustls-native-certs = "=0.8.4"
-rustls-pki-types = "=1.15.1"
+rustls-native-certs = "=0.8.3"
+rustls-pki-types = "=1.14.0"
 secrecy = "0.10.3"
 serde = { version = "1.0.228", features = ["derive"] }
 serde_json = { version = "1.0.150", features = ["arbitrary_precision", "preserve_order"] }
 sha2 = "0.11.0"
 subtle = "2.6.1"
 thiserror = "2.0.18"
-tokio = { version = "=1.53.1", default-features = false, features = ["fs", "macros", "rt", "sync", "time"] }
+tokio = { version = "=1.52.3", default-features = false, features = ["fs", "macros", "rt", "sync", "time"] }
 tokio-rustls = { version = "=0.26.4", default-features = false }
 tokio-util = { version = "0.7.18", features = ["rt"] }
 tower-service = "0.3.3"
@@ -56,6 +60,10 @@ uuid = { version = "1.23.3", features = ["v4", "v7"] }
 # 并携带 Content-Encoding: zstd；保持同版本同级别以对齐上游指纹。
 zstd = "=0.13.3"

+[target.'cfg(target_os = "linux")'.dependencies]
+openssl = "=0.10.75"
+openssl-sys = { version = "=0.9.111", features = ["vendored"] }
+
 [dev-dependencies]
 tempfile = "3.27.0"
 tokio = { version = "1.52.3", default-features = false, features = ["rt-multi-thread", "test-util"] }
@@ -24,7 +24,7 @@ use gateway_admin::model::provider_credentials::{
    ProviderProfileAvatar, ProviderProfileAvatarStreamError, ProviderProfileDailyUsage,
    ProviderProfileInvocation, ProviderProfileStatistics, ProviderProfileStatisticsSummary,
    ProviderQuota, ProviderQuotaRequest, ProviderQuotaWindow, ProviderQuotaWindowRole,
-    ProviderResetCredit, ProviderResetCreditResult, ProviderResetCredits,
+    ProviderResetCredit, ProviderResetCreditResult, ProviderResetCredits, ProviderSubscription,
    QuotaLocalUsageAttribution,
 };
 use gateway_admin::model::quota_forecast_sampling::QuotaForecastObservation;
@@ -513,6 +513,27 @@ impl ProviderAdmin for OpenAiAdminProvider {
        })
    }

+    async fn subscription(
+        &self,
+        account_id: &ProviderAccountId,
+    ) -> Result<Option<ProviderSubscription>, ProviderAdminError> {
+        self.account(account_id).await?;
+        self.profile_statistics
+            .subscription(account_id)
+            .await
+            .map(|subscription| {
+                subscription.map(|subscription| ProviderSubscription {
+                    starts_at: subscription.starts_at,
+                    expires_at: subscription.expires_at,
+                    will_renew: subscription.will_renew,
+                    billing_period: subscription.billing_period,
+                    billing_currency: subscription.billing_currency,
+                    observed_at: subscription.observed_at,
+                })
+            })
+            .map_err(map_profile_statistics_error)
+    }
+
    async fn profile_statistics(
        &self,
        account_id: &ProviderAccountId,
@@ -8,7 +8,9 @@ use serde::Deserialize;
 use url::{Host, Url};

 use crate::credential::CodexQuotaRefreshPolicy;
-use crate::transport::profile::{CodexResidency, CodexWireProfile, CodexWireProfileState};
+use crate::transport::profile::{
+    CodexRequestLocation, CodexResidency, CodexWireProfile, CodexWireProfileState,
+};
 use crate::transport::session::{CodexSessionIdentity, CodexSessionIdentityError};
 use crate::transport::websocket::CodexWebSocketPoolConfig;
 use crate::{
@@ -290,6 +292,9 @@ pub struct CodexWireProfileConfig {
    pub terminal: String,
    #[serde(default)]
    pub residency: Option<CodexResidency>,
+    /// 为空时保留客户端的地区、环境日期和时区。
+    #[serde(default)]
+    pub location: Option<CodexRequestLocation>,
    pub verified_at: DateTime<Utc>,
 }

@@ -305,6 +310,7 @@ impl Default for CodexWireProfileConfig {
            arch: "arm64".to_owned(),
            terminal: "unknown".to_owned(),
            residency: None,
+            location: None,
            // 制品核验于 2026-09-06T03:26:12.084Z；进程启动不构成重新核验。
            verified_at: DateTime::UNIX_EPOCH + chrono::Duration::milliseconds(1_788_665_172_084),
        }
@@ -336,6 +342,29 @@ impl CodexWireProfileConfig {
                return Err(OpenAiConfigError::InvalidField(field));
            }
        }
+        if let Some(location) = &self.location {
+            for (field, value) in [
+                (
+                    "openai.wire_profile.location.region",
+                    location.region.as_str(),
+                ),
+                ("openai.wire_profile.location.city", location.city.as_str()),
+            ] {
+                if value.trim().is_empty() {
+                    return Err(OpenAiConfigError::InvalidField(field));
+                }
+            }
+            if location.country.len() != 2
+                || !location
+                    .country
+                    .bytes()
+                    .all(|byte| byte.is_ascii_uppercase())
+            {
+                return Err(OpenAiConfigError::InvalidField(
+                    "openai.wire_profile.location.country",
+                ));
+            }
+        }
        if semver::Version::parse(&self.codex_version).is_err() {
            return Err(OpenAiConfigError::InvalidField(
                "openai.wire_profile.codex_version",
@@ -367,6 +396,7 @@ impl From<CodexWireProfileConfig> for CodexWireProfile {
            arch: value.arch,
            terminal: value.terminal,
            residency: value.residency,
+            location: value.location,
            verified_at: value.verified_at,
        }
    }
@@ -7,25 +7,32 @@ use std::time::{Duration, SystemTime};

 use chrono::{DateTime, Utc};
 use gateway_core::account::{
-    CredentialState, OpaqueProviderData, ProviderAccount, ProviderAccountId,
+    CredentialRevision, CredentialState, OpaqueProviderData, ProviderAccount, ProviderAccountId,
 };
 use gateway_core::provider_ports::{
    ProviderCatalogCacheKey, ProviderCatalogCachePort, ProviderCatalogScope,
 };
-use gateway_core::routing::{ProviderCatalogGeneration, ProviderKind, UpstreamModelId};
+use gateway_core::routing::{
+    FrozenAccountScope, ProviderCatalogGeneration, ProviderKind, ProviderModelDescriptor,
+    UpstreamModelId,
+};
 use secrecy::ExposeSecret;
 use thiserror::Error;
-use tokio::sync::Notify;
+use tokio::sync::{Notify, OnceCell};
+use tokio::time::Instant;
 use uuid::Uuid;

 use super::repository::{CodexCredentialRepository, CredentialRepositoryError};
-use crate::transport::profile::CodexWireProfileState;
+use crate::transport::profile::{CodexWireProfile, CodexWireProfileState};
 use crate::transport::{CodexBackendClient, CodexCatalogModel, CodexRequestContext};

 const MAX_RESPONSE_ETAG_BYTES: usize = 256;
 const PLAN_CATALOG_CACHE_TTL: Duration = Duration::from_secs(5 * 60);
 const MAX_CATALOG_FETCH_ATTEMPTS: usize = 3;
 const MAX_PLAN_CATALOG_MODELS: usize = 2_048;
+const MAX_CLIENT_CATALOGS: usize = 32;
+const CLIENT_CATALOG_TIMEOUT: Duration = Duration::from_secs(15);
+const CLIENT_CATALOG_ERROR_TTL: Duration = Duration::from_secs(5);

 /// OpenAI 以套餐划分的模型目录作用域。
 #[derive(Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
@@ -128,7 +135,7 @@ impl fmt::Debug for CodexCredentialCatalogSnapshot {
    }
 }

-#[derive(Debug, Error)]
+#[derive(Debug, Clone, Error)]
 pub enum CodexCredentialCatalogError {
    #[error("Codex model catalog has no eligible account")]
    NoEligibleCredential,
@@ -158,6 +165,44 @@ struct CatalogCacheState {
    snapshot: Option<CodexCredentialCatalogSnapshot>,
 }

+#[derive(PartialEq, Eq)]
+struct ClientCatalogKey {
+    account_id: ProviderAccountId,
+    revision: CredentialRevision,
+    plan: Option<String>,
+    upstream_account_id: Option<String>,
+    client_version: String,
+    profile: CodexWireProfile,
+}
+
+type ClientCatalogResult = Result<Vec<ProviderModelDescriptor>, CodexCredentialCatalogError>;
+
+struct CachedClientCatalog {
+    // 负缓存从请求结束计时，不能让一次慢失败耗尽后续请求的退避窗口。
+    completed_at: Instant,
+    result: ClientCatalogResult,
+}
+
+struct ClientCatalogEntry {
+    key: ClientCatalogKey,
+    created_at: Instant,
+    value: Arc<OnceCell<CachedClientCatalog>>,
+}
+
+impl ClientCatalogEntry {
+    fn is_fresh(&self) -> bool {
+        let Some(value) = self.value.get() else {
+            return self.created_at.elapsed() < PLAN_CATALOG_CACHE_TTL;
+        };
+        let ttl = if value.result.is_err() {
+            CLIENT_CATALOG_ERROR_TTL
+        } else {
+            PLAN_CATALOG_CACHE_TTL
+        };
+        value.completed_at.elapsed() < ttl
+    }
+}
+
 struct FetchedAccountModels {
    models: Vec<CodexCatalogModel>,
    etag: Option<String>,
@@ -182,6 +227,7 @@ pub struct CodexCredentialCatalogService {
    base_url: String,
    plan_catalog_cache: Arc<dyn ProviderCatalogCachePort>,
    cache: Arc<RwLock<CatalogCacheState>>,
+    client_catalogs: Arc<Mutex<Vec<ClientCatalogEntry>>>,
    etags: Arc<Mutex<CatalogEtagState>>,
    etag_notification: Arc<Notify>,
 }
@@ -201,11 +247,102 @@ impl CodexCredentialCatalogService {
            base_url,
            plan_catalog_cache,
            cache: Arc::new(RwLock::new(CatalogCacheState::default())),
+            client_catalogs: Arc::new(Mutex::new(Vec::new())),
            etags: Arc::new(Mutex::new(CatalogEtagState::default())),
            etag_notification: Arc::new(Notify::new()),
        }
    }

+    /// 原生客户端目录使用 Key 范围内排序稳定的首个成功账号，不复用套餐级画像。
+    /// 同一账号/凭据版本/客户端版本的并发读取合并；原生正文仅保留在有界进程缓存。
+    pub async fn client_model_catalog(
+        &self,
+        scope: &FrozenAccountScope,
+        client_version: &str,
+    ) -> ClientCatalogResult {
+        let now = SystemTime::now();
+        let mut accounts = self.repository.list_for_provider().await?;
+        accounts
+            .retain(|account| scope.allows(account.id()) && eligible_catalog_account(account, now));
+        accounts.sort_by(|left, right| left.id().cmp(right.id()));
+        let mut last_error = CodexCredentialCatalogError::NoEligibleCredential;
+        for account in accounts.iter().take(MAX_CATALOG_FETCH_ATTEMPTS) {
+            let profile = self.profile.snapshot();
+            let key = ClientCatalogKey {
+                account_id: account.id().clone(),
+                revision: account.revision(),
+                plan: account.plan_type().map(str::to_owned),
+                upstream_account_id: account.upstream_account_id().map(str::to_owned),
+                client_version: client_version.to_owned(),
+                profile: profile.clone(),
+            };
+            let value = {
+                let mut cache = self
+                    .client_catalogs
+                    .lock()
+                    .map_err(|_| CodexCredentialCatalogError::Cache)?;
+                cache.retain(ClientCatalogEntry::is_fresh);
+                if let Some(entry) = cache.iter().find(|entry| entry.key == key) {
+                    Arc::clone(&entry.value)
+                } else {
+                    // 不驱逐正在读取的目录，避免并发请求绕过缓存容量限制制造额外出站。
+                    if cache.len() >= MAX_CLIENT_CATALOGS {
+                        let Some(index) = cache.iter().position(|entry| entry.value.initialized())
+                        else {
+                            return Err(CodexCredentialCatalogError::Cache);
+                        };
+                        cache.remove(index);
+                    }
+                    let value = Arc::new(OnceCell::new());
+                    cache.push(ClientCatalogEntry {
+                        key,
+                        created_at: Instant::now(),
+                        value: Arc::clone(&value),
+                    });
+                    value
+                }
+            };
+            let result = value
+                .get_or_init(|| async {
+                    // 冻结画像，确保实际请求与缓存身份一致；不传递客户端 Bearer 给上游。
+                    let client = CodexBackendClient::new(
+                        self.http.clone(),
+                        self.base_url.clone(),
+                        CodexWireProfileState::new(profile),
+                    );
+                    let result = tokio::time::timeout(
+                        CLIENT_CATALOG_TIMEOUT,
+                        self.fetch_account_models(&client, account, Some(client_version)),
+                    )
+                    .await
+                    .map_err(|_| CodexCredentialCatalogError::Upstream {
+                        detail: "client model catalog timed out".to_owned(),
+                    })
+                    .and_then(|result| result)
+                    .map(|fetched| {
+                        fetched
+                            .models
+                            .into_iter()
+                            .map(|model| ProviderModelDescriptor {
+                                model: model.request_model().clone(),
+                                payload: model.document().clone(),
+                            })
+                            .collect()
+                    });
+                    CachedClientCatalog {
+                        completed_at: Instant::now(),
+                        result,
+                    }
+                })
+                .await;
+            match &result.result {
+                Ok(models) => return Ok(models.clone()),
+                Err(error) => last_error = error.clone(),
+            }
+        }
+        Err(last_error)
+    }
+
    #[must_use]
    pub fn catalog_generation(&self) -> ProviderCatalogGeneration {
        let cache = self
@@ -377,7 +514,7 @@ impl CodexCredentialCatalogService {
    ) -> Result<FetchedAccountModels, CodexCredentialCatalogError> {
        let mut last_error = None;
        for account in candidates.into_iter().take(MAX_CATALOG_FETCH_ATTEMPTS) {
-            match self.fetch_account_models(client, &account).await {
+            match self.fetch_account_models(client, &account, None).await {
                Ok(fetched) => return Ok(fetched),
                Err(error) => last_error = Some(error),
            }
@@ -423,6 +560,7 @@ impl CodexCredentialCatalogService {
        &self,
        client: &CodexBackendClient,
        account: &ProviderAccount,
+        client_version: Option<&str>,
    ) -> Result<FetchedAccountModels, CodexCredentialCatalogError> {
        let credential = self
            .repository
@@ -439,12 +577,15 @@ impl CodexCredentialCatalogService {
            .map_err(|error| CodexCredentialCatalogError::Upstream {
                detail: error.to_string(),
            })?
-            .fetch_models_with_context(CodexRequestContext::auxiliary(
-                authorization.expose_secret(),
-                account.upstream_account_id(),
-                &request_id,
-                None,
-            ))
+            .fetch_models_with_context(
+                CodexRequestContext::auxiliary(
+                    authorization.expose_secret(),
+                    account.upstream_account_id(),
+                    &request_id,
+                    None,
+                ),
+                client_version,
+            )
            .await;
        let snapshot = result.map_err(|error| CodexCredentialCatalogError::Upstream {
            detail: error.to_string(),
@@ -461,9 +602,19 @@ impl CodexCredentialCatalogService {
            .write()
            .map_err(|_| CodexCredentialCatalogError::Cache)?;
        if cache.snapshot.take().is_some() {
-            cache.revision = cache.revision.saturating_add(1);
            cache.generation = cache.generation.saturating_add(1);
        }
+        cache.revision = cache.revision.saturating_add(1);
+        drop(cache);
+        self.invalidate_client_catalogs()?;
+        Ok(())
+    }
+
+    fn invalidate_client_catalogs(&self) -> Result<(), CodexCredentialCatalogError> {
+        self.client_catalogs
+            .lock()
+            .map_err(|_| CodexCredentialCatalogError::Cache)?
+            .clear();
        Ok(())
    }

@@ -486,6 +637,7 @@ impl CodexCredentialCatalogService {
            }
        };
        if changed {
+            self.invalidate_client_catalogs()?;
            self.etag_notification.notify_one();
        }
        Ok(changed)
@@ -613,6 +765,9 @@ impl CodexCredentialCatalogService {
            cache.generation = cache.generation.saturating_add(1);
        }
        drop(cache);
+        if changed {
+            self.invalidate_client_catalogs()?;
+        }
        self.record_applied_catalog_etags(fetched.etags)?;
        Ok(snapshot)
    }
@@ -13,6 +13,7 @@ use thiserror::Error;
 use uuid::Uuid;

 use crate::transport::profile::CodexWireProfileState;
+use crate::transport::subscription::CodexSubscription;
 use crate::transport::{
    CodexBackendClient, CodexClientError, CodexProfileAvatar, CodexProfileAvatarFetchError,
    CodexProfileStatistics, CodexRequestContext, fetch_profile_avatar,
@@ -129,6 +130,53 @@ impl CodexCredentialProfileService {
        }
    }

+    /// 订阅只按需读取；不缓存、不刷新凭据，也不更新额度状态。
+    pub async fn subscription(
+        &self,
+        account_id: &ProviderAccountId,
+    ) -> Result<Option<CodexSubscription>, CodexProfileStatisticsError> {
+        let (authorization, upstream_account_id, account) =
+            self.account_authentication(account_id).await?;
+        let Some(upstream_account_id) = upstream_account_id else {
+            return Ok(None);
+        };
+        let request_id = format!("subscription_{}", Uuid::now_v7().simple());
+        let subscription = CodexBackendClient::new(
+            self.http.clone(),
+            self.base_url.clone(),
+            self.profile.clone(),
+        )
+        .for_account(&account)
+        .map_err(map_client_error)?
+        .fetch_subscription(
+            CodexRequestContext::auxiliary(
+                authorization.expose_secret(),
+                Some(&upstream_account_id),
+                &request_id,
+                None,
+            ),
+            &upstream_account_id,
+        )
+        .await;
+        // 请求期间重新授权、换绑或删除账号时，丢弃旧身份的结果。
+        let current = self
+            .repository
+            .store()
+            .get_account(account_id)
+            .await
+            .map_err(|error| CodexProfileStatisticsError::Store {
+                detail: error.to_string(),
+            })?;
+        if !current.is_some_and(|current| {
+            current.provider() == account.provider()
+                && current.revision() == account.revision()
+                && current.upstream_account_id() == Some(upstream_account_id.as_str())
+        }) {
+            return Ok(None);
+        }
+        Ok(subscription)
+    }
+
    pub async fn profile_statistics(
        &self,
        account_id: &ProviderAccountId,
@@ -18,6 +18,10 @@ pub(super) struct QuotaRecovery {
    // 绑定本次耗尽事实，避免真实推理成功后再次耗尽时复用上次的恢复进度。
    exhausted_at_micros: i64,
    pending: BTreeMap<String, Option<DateTime<Utc>>>,
+    // 已连续观测到"未触顶"的待解除窗口；第二次确认后解除。旧文档没有该
+    // 字段时反序列化为空集，从当前耗尽事实重新积累证据。
+    #[serde(default, skip_serializing_if = "BTreeMap::is_empty")]
+    candidates: BTreeMap<String, ()>,
 }

 impl QuotaRecovery {
@@ -59,23 +63,44 @@ impl QuotaRecovery {
        Self {
            exhausted_at_micros: exhaustion_time(state),
            pending,
+            candidates: BTreeMap::new(),
        }
    }

    fn observe(&mut self, refreshed: &CodexAccountQuotaSnapshot) -> bool {
        let had_baseline = !self.pending.is_empty();
+        let mut candidates = BTreeMap::new();
        for window in refreshed.windows().iter().filter(|w| w.is_account_wide()) {
-            if let Some(previous_reset) = self.pending.get_mut(window.key()) {
-                if window_reset_recovered(window, *previous_reset) {
-                    self.pending.remove(window.key());
-                } else if previous_reset.is_none() {
-                    *previous_reset = window.reset_at();
+            let key = window.key();
+            if let Some(previous_reset) = self.pending.get(key).copied() {
+                if window_reset_recovered(window, previous_reset) {
+                    self.pending.remove(key);
+                    continue;
+                }
+                if previous_reset.is_none() {
+                    // 首次观测到该窗口只锚定 reset 基线，不构成解除证据。
+                    self.pending.insert(key.to_owned(), window.reset_at());
+                    continue;
+                }
+                // 同一窗口内用量回落（reset 不滚动）时"reset 前进"永远不会
+                // 成立，滑动窗口的正常用量也长期高于低用量阈值；以上游连续
+                // 两次观测都报告未触顶为解除证据。单次观测无法排除耗尽后
+                // 立刻拉到的旧快照（reset 未滚动、用量尚未触顶）。
+                let rolled_forward = window
+                    .reset_at()
+                    .is_some_and(|current| Some(current) > previous_reset);
+                if !rolled_forward && !window.limit_reached() {
+                    if self.candidates.contains_key(key) {
+                        self.pending.remove(key);
+                    } else {
+                        candidates.insert(key.to_owned(), ());
+                    }
                }
            } else if window.limit_reached() {
-                self.pending
-                    .insert(window.key().to_owned(), window.reset_at());
+                self.pending.insert(key.to_owned(), window.reset_at());
            }
        }
+        self.candidates = candidates;
        had_baseline && self.pending.is_empty()
    }
 }
@@ -85,15 +110,24 @@ fn exhaustion_time(state: QuotaState) -> i64 {
 }

 fn window_reset_recovered(window: &CodexQuotaWindow, previous: Option<DateTime<Utc>>) -> bool {
-    previous
+    // reset 必须前进：防止耗尽后立刻拉到的旧快照（reset 未滚动）误解锁。
+    if !previous
        .zip(window.reset_at())
        .is_some_and(|(previous, current)| current > previous)
-        && window
-            .used_percent()
-            .is_some_and(|used| used < RESET_RECOVERY_MAX_USED_PERCENT)
+    {
+        return false;
+    }
+    // reset 前进说明已进入新窗口，新窗口用量应接近零；高用量说明 reset 基线
+    // 不可信（例如滑动窗口），保持锁定，等待"同窗口用量回落"的连续观测解除。
+    window
+        .used_percent()
+        .is_some_and(|used| used < RESET_RECOVERY_MAX_USED_PERCENT)
 }

-/// 统一手动刷新和 worker 的恢复规则；上游 allowed 不参与已耗尽窗口的解除判断。
+/// 统一手动刷新和 worker 的恢复规则。已耗尽窗口的解除有两条证据路径：
+/// reset 前进且用量低于低用量阈值（窗口已滚动），或同一窗口内连续两次观测
+/// 都未触顶（滑动窗口的用量回落，reset 不滚动）。后者防止账号被钉在旧
+/// reset 日期上；连续两次的要求排除耗尽后立刻拉到的旧快照。
 pub(super) fn reconcile_refresh(
    current: QuotaState,
    refreshed: &mut CodexAccountQuotaSnapshot,
@@ -320,7 +320,6 @@ impl OpenAiTokenClient {
            return Ok(self.clone());
        };
        let builder = Client::builder()
-            .use_rustls_tls()
            .no_proxy()
            .proxy(reqwest::Proxy::all(proxy.expose_url()).map_err(|_| TokenClientBuildError)?)
            .redirect(Policy::none())
@@ -418,7 +417,6 @@ pub fn openai_token_client(
 ) -> Result<OpenAiTokenClient, TokenClientBuildError> {
    ensure_rustls_provider();
    let builder = Client::builder()
-        .use_rustls_tls()
        .no_proxy()
        .redirect(Policy::none())
        .connect_timeout(TOKEN_CONNECT_TIMEOUT)
@@ -1,14 +1,13 @@
 //! OpenAI 上游失败分类、恢复决策与稳定错误投影。

 use super::*;
+use crate::transport::diagnostics::is_capacity_error;

 /// OpenAI 失败对 Smart 账号分数的结构化 reason 闭集。
 ///
 /// 已归一的上游 code 优先；code 缺失时才读取结构化客户端错误的 code/type。
 /// 新增错误、裸 HTTP 状态和内部错误 kind 默认都不会进入该闭集。
 const OPENAI_ACCOUNT_SCORE_FAILURE_REASONS: &[&str] = &[
-    "server_is_overloaded",
-    "slow_down",
    "rate_limit_exceeded",
    "rate_limit_error",
    "server_error",
@@ -33,6 +32,17 @@ fn openai_account_score_failure_reason(error: &ProviderError) -> Option<&str> {
 /// 返回该 OpenAI 失败是否属于 Smart 账号计分闭集。
 #[doc(hidden)]
 pub fn openai_failure_affects_account_score(error: &ProviderError) -> bool {
+    let client_error = error.client_visible_upstream_error();
+    if is_capacity_error(
+        error
+            .upstream_code()
+            .map(OpaqueUpstreamValue::as_str)
+            .or_else(|| client_error.and_then(ClientVisibleUpstreamError::code)),
+        client_error.and_then(ClientVisibleUpstreamError::error_type),
+        client_error.map(ClientVisibleUpstreamError::message),
+    ) {
+        return false;
+    }
    openai_account_score_failure_reason(error).is_some_and(is_openai_account_score_failure_reason)
 }

@@ -506,6 +516,30 @@ pub(super) fn apply_websocket_recovery_policy(
    failure: &mut MappedProviderFailure,
    context: WebSocketRecoveryContext<'_>,
 ) {
+    // 明确账号拒绝走已有换号路径，容量拒绝走请求内退避；两者都不消耗 WS 传输预算。
+    if failure.error.replay_is_safe()
+        && (failure.account_failure.is_some()
+            || matches!(
+                failure.error.pre_delivery_retry(),
+                Some(gateway_core::error::PreDeliveryRetry::SameAccountTransientRetry { .. })
+            ))
+    {
+        tracing::warn!(
+            request_id = context.request_id,
+            attempt_index = context.attempt_index,
+            account_id = context.account_id,
+            websocket_failure_kind = failure.error.kind().as_str(),
+            websocket_failure_code = failure
+                .error
+                .upstream_code()
+                .map_or("", OpaqueUpstreamValue::as_str),
+            upstream_status_code = failure.error.upstream_status().unwrap_or_default(),
+            upstream_status_code_present = failure.error.upstream_status().is_some(),
+            transport_requirement = context.requirement.as_str(),
+            "OpenAI upstream WebSocket returned a business rejection; deferring to request retry"
+        );
+        return;
+    }
    let session_budget_exhausted = context.session_affinity_key.is_some_and(|key| {
        context
            .session_transport_recovery
@@ -1134,6 +1168,7 @@ pub(super) fn map_upstream_failure(
    replay_boundary: ReplayBoundary,
 ) -> MappedProviderFailure {
    let category = failure.category();
+    let capacity_unavailable = category == CodexFailureCategory::CapacityUnavailable;
    let cyber_policy_failure = failure
        .status
        .is_some_and(|status| status.is_client_error())
@@ -1193,6 +1228,17 @@ pub(super) fn map_upstream_failure(
    if let Some(retry_after) = failure.retry_after_seconds.map(Duration::from_secs) {
        error = error.with_retry_after(retry_after);
    }
+    if capacity_unavailable && error.replay_is_safe() {
+        let max_delay = Duration::from_secs(8);
+        error = error.with_transient_retry(
+            NonZeroU32::new(3).unwrap_or(NonZeroU32::MIN),
+            failure
+                .retry_after_seconds
+                .map_or(Duration::from_millis(500), Duration::from_secs)
+                .min(max_delay),
+            max_delay,
+        );
+    }
    if let Some(code) = failure.persistable_code() {
        error = error.with_upstream_code(OpaqueUpstreamValue::new(code.to_owned()));
    }
@@ -1260,6 +1306,7 @@ pub(super) const fn provider_error_kind(category: CodexFailureCategory) -> Provi
        CodexFailureCategory::CloudflareChallenge
        | CodexFailureCategory::CloudflarePathBlocked
        | CodexFailureCategory::Unavailable => ProviderErrorKind::Unavailable,
+        CodexFailureCategory::CapacityUnavailable => ProviderErrorKind::UpstreamCapacityUnavailable,
        CodexFailureCategory::InvalidRequest => ProviderErrorKind::InvalidRequest,
        CodexFailureCategory::PermissionDenied => ProviderErrorKind::PermissionDenied,
        CodexFailureCategory::Timeout => ProviderErrorKind::Timeout,
@@ -1311,6 +1358,7 @@ pub(super) fn account_failure(
        | CodexFailureCategory::InvalidRequest
        | CodexFailureCategory::PermissionDenied
        | CodexFailureCategory::Timeout
+        | CodexFailureCategory::CapacityUnavailable
        | CodexFailureCategory::Unavailable
        | CodexFailureCategory::Transport => None,
    }
@@ -72,7 +72,7 @@ use crate::transport::diagnostics::{
    CodexFailureCategory, CodexUpstreamFailure, CodexUpstreamSendPhase,
 };
 use crate::transport::profile::{
-    APPCAST_POLL_INTERVAL, CodexDesktopReleaseService, CodexWireProfileState,
+    APPCAST_POLL_INTERVAL, CodexDesktopReleaseService, CodexRequestLocation, CodexWireProfileState,
 };
 use crate::transport::protocol::responses::{
    CodexResponsesRequest, PREVIOUS_RESPONSE_NOT_FOUND_CODE, PREVIOUS_RESPONSE_NOT_FOUND_MESSAGE,
@@ -141,6 +141,7 @@ pub struct CodexProvider {
    quota: Arc<CodexCredentialQuotaService>,
    account_feedback: Arc<AccountFeedbackStats>,
    client: CodexBackendClient,
+    location: Option<CodexRequestLocation>,
    responses_url: Url,
    image_generations_url: Url,
    image_edits_url: Url,
@@ -173,6 +174,7 @@ impl CodexProvider {
            .map_err(|_| CodexProviderConfigError::InvalidBaseUrl)?;
        let search_url = Url::parse(&endpoint_url(&base_url, CODEX_ALPHA_SEARCH_PATH))
            .map_err(|_| CodexProviderConfigError::InvalidBaseUrl)?;
+        let location = profile.snapshot().location;
        let client =
            CodexBackendClient::new(http, base_url, profile).with_websocket_pool(websocket_pool);
        Ok(Self {
@@ -181,6 +183,7 @@ impl CodexProvider {
            quota,
            account_feedback,
            client,
+            location,
            responses_url,
            image_generations_url,
            image_edits_url,
@@ -253,7 +256,8 @@ impl Provider for CodexProvider {
                ..Default::default()
            };
        };
-        let Ok(encoded) = encode_generate_request(request, "observability") else {
+        let Ok(encoded) = encode_generate_request(request, "observability", self.location.as_ref())
+        else {
            return ProviderRequestObservation::default();
        };
        let semantics = encoded.semantics();
@@ -291,6 +295,25 @@ impl Provider for CodexProvider {
            .collect())
    }

+    async fn query_client_model_catalog(
+        &self,
+        scope: &gateway_core::account::scope::FrozenAccountScope,
+        protocol: &str,
+        client_version: &str,
+    ) -> Result<
+        Option<Vec<gateway_core::routing::ProviderModelDescriptor>>,
+        gateway_core::routing::ProviderCatalogUnavailable,
+    > {
+        if protocol != "codex" {
+            return Ok(None);
+        }
+        self.catalog
+            .client_model_catalog(scope, client_version)
+            .await
+            .map(Some)
+            .map_err(|_| gateway_core::routing::ProviderCatalogUnavailable)
+    }
+
    async fn execute(
        &self,
        request: ProviderRequest,
@@ -335,8 +358,9 @@ impl Provider for CodexProvider {
        };
        let previous_session = decode_openai_session_state(generate);
        let continuation_requested = generate.native_continuation_requested();
-        let mut upstream_request = encode_generate_request(generate, upstream_model.as_str())
-            .map_err(map_request_error)?;
+        let mut upstream_request =
+            encode_generate_request(generate, upstream_model.as_str(), self.location.as_ref())
+                .map_err(map_request_error)?;
        if let Some(conversation_id) = previous_session
            .as_ref()
            .and_then(|state| state.conversation_id.as_ref())
@@ -117,8 +117,9 @@ impl OpenAiResponseObservationState {
        if let Some(metadata) = self.provider_metadata() {
            observation = observation.with_provider_metadata(metadata);
        }
-        if let Some(service_tier) = self.effective_service_tier() {
-            observation = observation.with_service_tier_if_valid(service_tier.to_owned());
+        // 统计与计费采用最终发送档位；响应回显只作为独立诊断事实保留。
+        if let Some(service_tier) = &self.requested_service_tier {
+            observation = observation.with_service_tier_if_valid(service_tier.clone());
        }
        Some(observation)
    }
@@ -161,12 +162,6 @@ impl OpenAiResponseObservationState {
        true
    }

-    pub(super) fn effective_service_tier(&self) -> Option<&str> {
-        self.upstream_service_tier
-            .as_deref()
-            .or(self.requested_service_tier.as_deref())
-    }
-
    pub(super) fn merge_rate_limit_headers(&mut self, updates: &[(String, String)]) -> bool {
        let mut changed = false;
        for (name, value) in selected_observation_headers(updates) {
@@ -615,6 +610,7 @@ pub(super) fn codex_model_presentation(model: &CodexCatalogModel) -> ModelPresen
        capabilities.image_detail_original() == CodexCatalogCapabilityEvidence::DeclaredNative,
    )
    .with_verbosity(capabilities.verbosity() == CodexCatalogCapabilityEvidence::DeclaredNative)
+    .with_service_tiers(model.metadata().service_tiers().to_vec())
    .with_hidden(hidden)
 }

@@ -158,7 +158,7 @@ impl CodexCanonicalDecoder {
        self
    }

-    /// 响应未报告实际档位时，才使用请求档位估算费用。
+    /// 使用最终发送给上游的请求档位估算费用，不由响应回显覆盖。
    #[must_use]
    pub fn with_requested_service_tier(mut self, service_tier: Option<&str>) -> Self {
        self.requested_service_tier = normalize_service_tier(service_tier);
@@ -217,7 +217,7 @@ impl CodexCanonicalDecoder {
        std::mem::take(&mut self.timing_signals)
    }

-    /// 返回本 attempt 已从上游响应生命周期帧观察到的实际服务档位。
+    /// 返回本 attempt 的上游响应回显档位，仅供诊断，不作为本地计费依据。
    #[must_use]
    pub fn response_service_tier(&self) -> Option<&str> {
        self.response_service_tier.as_deref()
@@ -861,10 +861,8 @@ impl CodexCanonicalDecoder {
            .filter(|model| !model.is_empty())
            .unwrap_or(&self.fallback_model)
            .to_owned();
-        let service_tier = self
-            .response_service_tier
-            .as_deref()
-            .or(self.requested_service_tier.as_deref());
+        // 与用量统计统一按最终发送档位估算，响应回显不改变本地计价口径。
+        let service_tier = self.requested_service_tier.as_deref();
        let tool_calls = billable_tool_calls(response);
        if let Some(breakdown) = usage
            .filter(|usage| billable_usage_is_complete(response, *usage))
@@ -3,7 +3,9 @@
 use std::collections::BTreeSet;
 use std::num::NonZeroU64;

-use gateway_core::routing::UpstreamModelId;
+use bytes::Bytes;
+use gateway_core::operation::RawJsonPayload;
+use gateway_core::routing::{ModelServiceTier, UpstreamModelId};
 use reqwest::header::{ETAG, HeaderMap};
 use serde::Deserialize;

@@ -13,6 +15,7 @@ pub const MAX_CODEX_MODEL_CATALOG_BYTES: usize = 1024 * 1024;
 const MAX_CATALOG_MODELS: usize = 2_048;
 const MAX_DISPLAY_NAME_BYTES: usize = 256;
 const MAX_DESCRIPTION_BYTES: usize = 4 * 1024;
+const MAX_SERVICE_TIER_ID_BYTES: usize = 64;
 const MAX_ETAG_BYTES: usize = 256;

 /// 上游目录对一项能力给出的明确证据。
@@ -133,6 +136,7 @@ pub struct CodexCatalogMetadata {
    description: Option<String>,
    priority: Option<i32>,
    visibility: Option<CodexCatalogVisibility>,
+    service_tiers: Vec<ModelServiceTier>,
 }

 impl CodexCatalogMetadata {
@@ -153,6 +157,12 @@ impl CodexCatalogMetadata {
    pub const fn visibility(&self) -> Option<CodexCatalogVisibility> {
        self.visibility
    }
+
+    /// 返回上游明确声明的服务档位；缺失时为空，不根据模型名补齐。
+    #[must_use]
+    pub fn service_tiers(&self) -> &[ModelServiceTier] {
+        &self.service_tiers
+    }
 }

 /// Codex 官方 picker 可见性。
@@ -173,6 +183,7 @@ pub enum CodexCatalogVisibility {
 /// 一个已完整校验的 Codex 真实模型。
 #[derive(Debug, Clone, PartialEq, Eq)]
 pub struct CodexCatalogModel {
+    document: RawJsonPayload,
    request_model: UpstreamModelId,
    display_name: String,
    capabilities: CodexCatalogCapabilities,
@@ -181,6 +192,12 @@ pub struct CodexCatalogModel {
 }

 impl CodexCatalogModel {
+    /// 完整原生对象只用于客户端目录，不写入控制面画像或日志。
+    #[must_use]
+    pub const fn document(&self) -> &RawJsonPayload {
+        &self.document
+    }
+
    /// 返回实际写入上游请求的模型 slug。
    #[must_use]
    pub const fn request_model(&self) -> &UpstreamModelId {
@@ -270,7 +287,7 @@ pub enum CodexModelCatalogError {

 #[derive(Debug, Deserialize)]
 struct CodexModelsWire {
-    models: Vec<CodexModelWire>,
+    models: Vec<serde_json::Value>,
 }

 #[derive(Debug, Deserialize)]
@@ -289,6 +306,15 @@ struct CodexModelWire {
    context_window: Option<i64>,
    max_context_window: Option<i64>,
    input_modalities: Option<Vec<CodexInputModalityWire>>,
+    #[serde(default)]
+    service_tiers: Vec<CodexServiceTierWire>,
+}
+
+#[derive(Debug, Deserialize)]
+struct CodexServiceTierWire {
+    id: String,
+    name: String,
+    description: String,
 }

 #[derive(Debug, Deserialize)]
@@ -309,7 +335,7 @@ enum CodexInputModalityWire {
 ///
 /// # Errors
 ///
-/// 任一条目、重复 slug 或 ETag 不合法时整轮失败；上游新增的未知字段会忽略。
+/// 任一条目、重复 slug 或 ETag 不合法时整轮失败；未知字段保留在原生正文中。
 pub fn parse_codex_model_catalog(
    body: &[u8],
    etag: Option<&str>,
@@ -330,7 +356,16 @@ pub fn parse_codex_model_catalog(
    let mut seen = BTreeSet::new();
    let mut models = Vec::with_capacity(wire.models.len());
    for model in wire.models {
-        let model = normalize_model(model)?;
+        let wire =
+            CodexModelWire::deserialize(&model).map_err(|_| CodexModelCatalogError::InvalidWire)?;
+        let document = RawJsonPayload::new(
+            "codex",
+            Bytes::from(
+                serde_json::to_vec(&model).map_err(|_| CodexModelCatalogError::InvalidWire)?,
+            ),
+        )
+        .map_err(|_| CodexModelCatalogError::InvalidWire)?;
+        let model = normalize_model(wire, document)?;
        if !seen.insert(model.request_model.as_str().to_owned()) {
            return Err(CodexModelCatalogError::DuplicateModelSlug);
        }
@@ -351,7 +386,10 @@ pub(super) fn catalog_etag(headers: &HeaderMap) -> Result<Option<String>, CodexM
        .transpose()
 }

-fn normalize_model(wire: CodexModelWire) -> Result<CodexCatalogModel, CodexModelCatalogError> {
+fn normalize_model(
+    wire: CodexModelWire,
+    document: RawJsonPayload,
+) -> Result<CodexCatalogModel, CodexModelCatalogError> {
    if !valid_model_slug(&wire.slug) {
        return Err(CodexModelCatalogError::InvalidModelSlug);
    }
@@ -361,6 +399,17 @@ fn normalize_model(wire: CodexModelWire) -> Result<CodexCatalogModel, CodexModel
    if let Some(description) = wire.description.as_deref() {
        validate_public_text(description, MAX_DESCRIPTION_BYTES, true)?;
    }
+    // name 供客户端生成命令，id 才是请求选档值；不能从命令名推导或改写 id。
+    let service_tiers = wire
+        .service_tiers
+        .into_iter()
+        .map(|tier| {
+            validate_public_text(&tier.id, MAX_SERVICE_TIER_ID_BYTES, false)?;
+            validate_public_text(&tier.name, MAX_DISPLAY_NAME_BYTES, false)?;
+            validate_public_text(&tier.description, MAX_DESCRIPTION_BYTES, true)?;
+            Ok(ModelServiceTier::new(tier.id, tier.name, tier.description))
+        })
+        .collect::<Result<Vec<_>, CodexModelCatalogError>>()?;

    let context_window_tokens = optional_positive(wire.context_window)?;
    let max_context_window_tokens = optional_positive(wire.max_context_window)?;
@@ -382,6 +431,7 @@ fn normalize_model(wire: CodexModelWire) -> Result<CodexCatalogModel, CodexModel
    }

    Ok(CodexCatalogModel {
+        document,
        request_model,
        display_name: wire.display_name,
        capabilities: CodexCatalogCapabilities {
@@ -405,6 +455,7 @@ fn normalize_model(wire: CodexModelWire) -> Result<CodexCatalogModel, CodexModel
            description: wire.description,
            priority: wire.priority,
            visibility: wire.visibility,
+            service_tiers,
        },
    })
 }
@@ -70,7 +70,6 @@ pub fn build_account_http_client(
    }

    let mut builder = Client::builder()
-        .use_rustls_tls()
        .no_proxy()
        .redirect(reqwest::redirect::Policy::none())
        .pool_max_idle_per_host(4)
@@ -495,10 +495,11 @@ impl CodexBackendClient {
        Some(key)
    }

-    /// 获取后端模型目录条目。
+    /// 客户端目录按调用方版本协商；后台目录仍使用经过核验的服务端画像版本。
    pub async fn fetch_models_with_context(
        &self,
        context: CodexRequestContext<'_>,
+        client_version: Option<&str>,
    ) -> CodexClientResult<CodexModelCatalogSnapshot> {
        let endpoint = endpoint_url(&self.base_url, "codex/models");
        let profile = self.profile.snapshot();
@@ -506,7 +507,10 @@ impl CodexBackendClient {
        let response = self
            .client
            .get(endpoint)
-            .query(&[("client_version", profile.codex_version.as_str())])
+            .query(&[(
+                "client_version",
+                client_version.unwrap_or(profile.codex_version.as_str()),
+            )])
            .headers(headers)
            .send()
            .await?;
@@ -102,6 +102,8 @@ pub enum CodexFailureCategory {
    InvalidRequest,
    PermissionDenied,
    Timeout,
+    /// 模型容量暂时不足，只影响当前请求，不证明账号健康异常。
+    CapacityUnavailable,
    Unavailable,
    Transport,
 }
@@ -243,6 +245,7 @@ impl CodexUpstreamFailure {
                    | CodexFailureCategory::QuotaExhausted
                    | CodexFailureCategory::CloudflareChallenge
                    | CodexFailureCategory::CloudflarePathBlocked
+                    | CodexFailureCategory::CapacityUnavailable
            ),
        }
    }
@@ -428,6 +431,15 @@ fn classify_upstream_failure(
    let message = fields.message.to_ascii_lowercase();
    let body = body.to_ascii_lowercase();

+    // 容量拒绝可能带 400/429/503；仅用结构化错误字段识别，不能扫描任意正文。
+    if is_capacity_error(
+        fields.code.as_deref(),
+        fields.error_type.as_deref(),
+        fields.client_message.as_deref(),
+    ) {
+        return CodexFailureCategory::CapacityUnavailable;
+    }
+
    // 与官方 Codex HTTP/WS 路径一致：429 只有结构化
    // `error.type=usage_limit_reached` 才能确认额度窗口耗尽；其余 429 都是临时限流。
    // SSE `response.failed` 的结构化字段形态不同，保留其 code/type 语义单独分类。
@@ -523,9 +535,6 @@ fn classify_upstream_failure(
    if status == Some(StatusCode::TOO_MANY_REQUESTS) {
        return CodexFailureCategory::RateLimited;
    }
-    if is_upstream_overload(&code) || is_upstream_overload(&message) {
-        return CodexFailureCategory::Unavailable;
-    }
    match status.map(|status| status.as_u16()) {
        Some(status) => match status {
            400 | 404 | 409 | 422 => CodexFailureCategory::InvalidRequest,
@@ -662,6 +671,40 @@ fn is_cloudflare_challenge(value: &str) -> bool {
        || value.contains("just a moment")
 }

-fn is_upstream_overload(value: &str) -> bool {
-    matches!(value, "server_is_overloaded" | "slow_down") || value.contains("server_overloaded")
+pub(crate) fn is_capacity_error(
+    code: Option<&str>,
+    error_type: Option<&str>,
+    message: Option<&str>,
+) -> bool {
+    let code = normalized(code);
+    let error_type = normalized(error_type);
+    // 明确额度窗口/账号错误保留原分类，不能被描述中的容量词覆盖。
+    if !matches!(
+        error_type.as_str(),
+        "" | "server_error"
+            | "service_unavailable_error"
+            | "invalid_request_error"
+            | "rate_limit_error"
+            | "server_is_overloaded"
+            | "slow_down"
+    ) {
+        return false;
+    }
+    if matches!(code.as_str(), "server_is_overloaded" | "slow_down") {
+        return true;
+    }
+    if !matches!(
+        code.as_str(),
+        "" | "server_error" | "service_unavailable_error"
+    ) {
+        return false;
+    }
+    if matches!(error_type.as_str(), "server_is_overloaded" | "slow_down") {
+        return true;
+    }
+    let message = normalized(message);
+    matches!(message.as_str(), "server_is_overloaded" | "slow_down")
+        || message.contains("selected model is at capacity")
+        || message.contains("server is overloaded")
+        || message.contains("server_overloaded")
 }
@@ -254,5 +254,32 @@ fn header_pairs(headers: &HeaderMap) -> Vec<(String, String)> {
 }

 pub(super) fn websocket_header_pairs(headers: &HeaderMap) -> Vec<(String, String)> {
-    header_pairs(headers)
+    let mut pairs = header_pairs(headers);
+    // WebSocket opening 的 HeaderMap 先由业务头构造，再被 tungstenite 插入协议头；
+    // 这里复现官方 HeaderMap 交给 tungstenite 时的迭代顺序，最终序列化后的
+    // 线级顺序由 fingerprint 测试锁定。未知扩展头仍保持相对顺序。
+    pairs.sort_by_key(|(name, _)| websocket_header_order(name));
+    pairs
+}
+
+fn websocket_header_order(name: &str) -> usize {
+    const OFFICIAL_INSERTION_ORDER: &[&str] = &[
+        "version",
+        "x-codex-beta-features",
+        "x-client-request-id",
+        "session-id",
+        "thread-id",
+        "x-codex-window-id",
+        "x-codex-turn-metadata",
+        "x-codex-routing-hint",
+        "openai-beta",
+        "originator",
+        "user-agent",
+        "authorization",
+        "chatgpt-account-id",
+    ];
+    OFFICIAL_INSERTION_ORDER
+        .iter()
+        .position(|candidate| name.eq_ignore_ascii_case(candidate))
+        .unwrap_or(OFFICIAL_INSERTION_ORDER.len())
 }
@@ -16,6 +16,7 @@ pub mod request;
 pub mod reset_credits;
 mod response_meta;
 pub(crate) mod session;
+pub mod subscription;
 mod time;
 pub mod tls;
 pub mod usage;
@@ -39,6 +39,27 @@ pub enum CodexResidency {
    Us,
 }

+/// 环境上下文与 Web Search 共用的请求地区画像。
+#[derive(Debug, Clone, Deserialize, PartialEq, Eq)]
+#[serde(deny_unknown_fields)]
+pub struct CodexRequestLocation {
+    pub country: String,
+    pub region: String,
+    pub city: String,
+    pub timezone: chrono_tz::Tz,
+}
+
+impl Default for CodexRequestLocation {
+    fn default() -> Self {
+        Self {
+            country: "US".to_owned(),
+            region: "Ohio".to_owned(),
+            city: "Piketon".to_owned(),
+            timezone: chrono_tz::America::New_York,
+        }
+    }
+}
+
 /// Codex Desktop 上游请求身份。
 ///
 /// 启动配置提供经源码审计的 Core、运行环境和 Desktop 启动版本。运行时只会使用
@@ -63,6 +84,8 @@ pub struct CodexWireProfile {
    pub terminal: String,
    /// 未配置时不发送 residency 头；不随制品版本更新而改变。
    pub residency: Option<CodexResidency>,
+    /// 可选的地区覆盖；为空时透传，不随制品版本更新而改变。
+    pub location: Option<CodexRequestLocation>,
    /// 版本元组最后一次经制品核验的时间；不表示 TLS 传输已重新核验。
    pub verified_at: DateTime<Utc>,
 }
@@ -644,10 +644,18 @@ impl CodexResponsesRequest {

    /// 提取 Codex 请求类型、子代理类型、推理预设与压缩语义。
    pub fn semantics(&self) -> CodexRequestSemantics {
-        codex_responses_request_semantics_with_turn_metadata(
+        let mut semantics = codex_responses_request_semantics_with_turn_metadata(
            self.body(),
            self.turn_metadata.as_deref(),
-        )
+        );
+        // 官方 generate=false 只准备连接与上下文，不是模型推理。
+        // 预热分类参与用量筛选，不能仅凭客户端的 request_kind 提示排除真实推理。
+        if !self.generate() {
+            semantics.request_kind = Some("prewarm".to_owned());
+        } else if semantics.request_kind.as_deref() == Some("prewarm") {
+            semantics.request_kind = None;
+        }
+        semantics
    }

    /// 返回请求语义与 child transport 隔离所用的子代理区分值。
@@ -3,15 +3,18 @@
 use std::io;

 use base64::{Engine as _, engine::general_purpose::STANDARD};
+use chrono::{DateTime, Utc};
 use gateway_core::operation::GenerateRequest;
 use gateway_protocol::openai::{
    WS_REQUEST_HEADER_RESPONSES_LITE_CLIENT_METADATA_KEY, is_transport_managed_request_header,
 };
 use reqwest::header::{HeaderMap, HeaderName, HeaderValue};
+use roxmltree::Document;
 use serde::Serialize as _;
-use serde_json::{Map, Value};
+use serde_json::{Map, Value, json};
 use sha2::{Digest, Sha256};

+use crate::transport::profile::CodexRequestLocation;
 use crate::transport::protocol::responses::{
    CodexResponsesRequest, X_CODEX_TURN_STATE_CLIENT_METADATA_KEY,
 };
@@ -20,6 +23,7 @@ const PASSTHROUGH_HEADERS_CONTEXT_KEY: &str = "opaque_request_headers";
 const TURN_ID_CLIENT_METADATA_KEY: &str = "turn_id";
 const THREAD_SPAWN_SUBAGENT_KIND: &str = "thread_spawn";
 const THREAD_SPAWN_CONVERSATION_PREFIX: &str = "thread-spawn:";
+const ENVIRONMENT_CONTEXT_CONTENT_KIND: &str = "environments.environment_context";
 const UNSUPPORTED_CODEX_RESPONSES_FIELDS: &[&str] = &["max_output_tokens", "temperature"];

 const CROSS_ACCOUNT_IDENTITY_KEYS: &[&str] = &[
@@ -93,13 +97,14 @@ pub enum CodexRequestEncodeError {
 pub fn encode_generate_request(
    request: &GenerateRequest,
    upstream_model: &str,
+    location: Option<&CodexRequestLocation>,
 ) -> Result<CodexResponsesRequest, CodexRequestEncodeError> {
    let payload = request.protocol_payload();
    if payload.protocol() != "openai" {
        return Err(CodexRequestEncodeError::InvalidProtocolPayload);
    }
    let mut body = payload.body().clone();
-    adapt_codex_responses_body(&mut body, upstream_model);
+    adapt_codex_responses_body(&mut body, upstream_model, location);

    let mut encoded = CodexResponsesRequest::from_body(body);
    encoded.explicit_prompt_cache_key = encoded.prompt_cache_key().is_some();
@@ -108,11 +113,141 @@ pub fn encode_generate_request(
    Ok(encoded)
 }

-fn adapt_codex_responses_body(body: &mut Map<String, Value>, upstream_model: &str) {
+fn adapt_codex_responses_body(
+    body: &mut Map<String, Value>,
+    upstream_model: &str,
+    location: Option<&CodexRequestLocation>,
+) {
    body.insert("model".to_owned(), Value::String(upstream_model.to_owned()));
    for field in UNSUPPORTED_CODEX_RESPONSES_FIELDS {
        body.remove(*field);
    }
+    if let Some(location) = location {
+        align_structured_location_fields(body, Utc::now(), location);
+    }
+}
+
+fn align_structured_location_fields(
+    body: &mut Map<String, Value>,
+    now: DateTime<Utc>,
+    location: &CodexRequestLocation,
+) {
+    // 只改写带环境标记的日期和时区；epoch 时间戳保持绝对时间原值。
+    let current_date = now
+        .with_timezone(&location.timezone)
+        .format("%Y-%m-%d")
+        .to_string();
+    if let Some(input) = body.get_mut("input").and_then(Value::as_array_mut) {
+        for item in input {
+            align_environment_context(item, &current_date, location.timezone.name());
+        }
+    }
+    if let Some(tools) = body.get_mut("tools").and_then(Value::as_array_mut) {
+        for tool in tools {
+            align_web_search_location(tool, location);
+        }
+    }
+}
+
+fn align_environment_context(item: &mut Value, current_date: &str, timezone: &str) {
+    let Some(item) = item.as_object_mut() else {
+        return;
+    };
+    if item.get("role").and_then(Value::as_str) != Some("user") {
+        return;
+    }
+    let content_kinds = item
+        .get("internal_chat_message_metadata_passthrough")
+        .and_then(Value::as_object)
+        .and_then(|metadata| metadata.get("content_item_kinds"))
+        .and_then(Value::as_array)
+        .map(|kinds| {
+            kinds
+                .iter()
+                .map(|kind| kind.as_str().map(str::to_owned))
+                .collect::<Vec<_>>()
+        });
+    let Some(content) = item.get_mut("content").and_then(Value::as_array_mut) else {
+        return;
+    };
+    for (index, part) in content.iter_mut().enumerate() {
+        if content_kinds
+            .as_ref()
+            .and_then(|kinds| kinds.get(index))
+            .and_then(Option::as_deref)
+            != Some(ENVIRONMENT_CONTEXT_CONTENT_KIND)
+        {
+            continue;
+        }
+        let Some(part) = part.as_object_mut() else {
+            continue;
+        };
+        if part.get("type").and_then(Value::as_str) != Some("input_text") {
+            continue;
+        }
+        let Some(Value::String(text)) = part.get_mut("text") else {
+            continue;
+        };
+        if let Some(aligned) = aligned_environment_context(text, current_date, timezone) {
+            *text = aligned;
+        }
+    }
+}
+
+fn aligned_environment_context(text: &str, current_date: &str, timezone: &str) -> Option<String> {
+    let trimmed = text.trim();
+    if !trimmed.starts_with("<environment_context>") || !trimmed.ends_with("</environment_context>")
+    {
+        return None;
+    }
+    let document = Document::parse(text).ok()?;
+    let root = document.root_element();
+    if !root.has_tag_name("environment_context") {
+        return None;
+    }
+    let mut replacements = root
+        .children()
+        .filter(|node| node.is_element())
+        .filter_map(|node| {
+            let replacement = match node.tag_name().name() {
+                "current_date" => format!("<current_date>{current_date}</current_date>"),
+                "timezone" => format!("<timezone>{timezone}</timezone>"),
+                _ => return None,
+            };
+            Some((node.range(), replacement))
+        })
+        .collect::<Vec<_>>();
+    if replacements.is_empty() {
+        return None;
+    }
+    replacements.sort_unstable_by_key(|(range, _)| std::cmp::Reverse(range.start));
+    let mut aligned = text.to_owned();
+    for (range, replacement) in replacements {
+        aligned.replace_range(range, &replacement);
+    }
+    Some(aligned)
+}
+
+fn align_web_search_location(tool: &mut Value, location: &CodexRequestLocation) {
+    let Some(tool) = tool.as_object_mut() else {
+        return;
+    };
+    let Some(tool_type) = tool.get("type").and_then(Value::as_str) else {
+        return;
+    };
+    if tool_type != "web_search" && !tool_type.starts_with("web_search_") {
+        return;
+    }
+    tool.insert(
+        "user_location".to_owned(),
+        json!({
+            "type": "approximate",
+            "country": location.country,
+            "region": location.region,
+            "city": location.city,
+            "timezone": location.timezone.name(),
+        }),
+    );
 }

 fn extract_request_context(request: &mut CodexResponsesRequest) {
@@ -0,0 +1,97 @@
+//! 当前绑定账号的订阅周期安全投影，与令牌有效期和额度状态无关。
+
+use std::time::Duration;
+
+use chrono::{DateTime, Utc};
+
+use super::{CodexBackendClient, CodexRequestContext, client::read_capped_response_body};
+
+const MAX_SUBSCRIPTION_BODY_BYTES: usize = 64 * 1024;
+
+#[derive(Debug, Clone, PartialEq, Eq)]
+pub struct CodexSubscription {
+    pub starts_at: Option<DateTime<Utc>>,
+    pub expires_at: DateTime<Utc>,
+    pub will_renew: Option<bool>,
+    pub billing_period: Option<String>,
+    pub billing_currency: Option<String>,
+    pub observed_at: DateTime<Utc>,
+}
+
+impl CodexBackendClient {
+    /// 可选展示查询失败只返回未知，不改变凭据或额度状态，也不重试。
+    pub async fn fetch_subscription(
+        &self,
+        context: CodexRequestContext<'_>,
+        account_id: &str,
+    ) -> Option<CodexSubscription> {
+        if account_id.is_empty() || account_id.len() > 512 {
+            return None;
+        }
+        tokio::time::timeout(Duration::from_secs(5), async {
+            let mut url = reqwest::Url::parse(&self.base_url).ok()?;
+            let base_path = url.path().trim_end_matches('/');
+            let subscription_path = if base_path.ends_with("/backend-api") {
+                format!("{base_path}/subscriptions")
+            } else {
+                "/backend-api/subscriptions".to_owned()
+            };
+            url.set_path(&subscription_path);
+            url.set_query(None);
+            url.set_fragment(None);
+            url.query_pairs_mut().append_pair("account_id", account_id);
+            let origin = url.origin().ascii_serialization();
+            let headers = self.account_request_headers(context).ok()?;
+            let response = self
+                .client
+                .get(url)
+                .headers(headers)
+                .header(reqwest::header::ACCEPT, "application/json")
+                .header(reqwest::header::ORIGIN, &origin)
+                .header(reqwest::header::REFERER, format!("{origin}/"))
+                .send()
+                .await
+                .ok()?;
+            if !response.status().is_success() {
+                return None;
+            }
+            let body = read_capped_response_body(response, MAX_SUBSCRIPTION_BODY_BYTES)
+                .await
+                .ok()?;
+            if body.limit_exceeded() {
+                return None;
+            }
+            let value: serde_json::Value = serde_json::from_str(&body.into_string()).ok()?;
+            let expires_at =
+                DateTime::parse_from_rfc3339(value.get("active_until")?.as_str()?.trim())
+                    .ok()?
+                    .with_timezone(&Utc);
+            Some(CodexSubscription {
+                starts_at: value
+                    .get("active_start")
+                    .and_then(serde_json::Value::as_str)
+                    .and_then(|value| DateTime::parse_from_rfc3339(value.trim()).ok())
+                    .map(|value| value.with_timezone(&Utc)),
+                expires_at,
+                will_renew: value.get("will_renew").and_then(serde_json::Value::as_bool),
+                billing_period: optional_short_text(&value, "billing_period"),
+                billing_currency: optional_short_text(&value, "billing_currency"),
+                observed_at: Utc::now(),
+            })
+        })
+        .await
+        .ok()
+        .flatten()
+    }
+}
+
+fn optional_short_text(value: &serde_json::Value, key: &str) -> Option<String> {
+    value
+        .get(key)?
+        .as_str()
+        .map(str::trim)
+        .filter(|value| {
+            !value.is_empty() && value.len() <= 64 && !value.chars().any(char::is_control)
+        })
+        .map(str::to_owned)
+}
@@ -222,6 +222,8 @@ struct PricingRule {
 // 价格来源：https://developers.openai.com/api/docs/pricing，核验日期 2026-09-09。
 // 使用常规价，不采用 Sol 的临时 $4/$20 优惠；缓存、Flex、Fast 和长上下文
 // 档位也统一按常规价计算。
+// 已按 https://developers.openai.com/api/docs/deprecations 核验至 2026-09-13，
+// 移除已关闭的型号；仅宣布弃用但尚未到关闭日期的型号继续保留。
 const PRICING_RULES: &[PricingRule] = &[
    // Astra：https://developers.openai.com/api/docs/models/gpt-6-astra
    // 已于 2026-09-09 对照官方价目表核验。
@@ -428,14 +430,6 @@ const PRICING_RULES: &[PricingRule] = &[
    },
    // 各变体独立采用已公开的价格与档位，不能继承父型号的所有档位。
    // Cyber 长上下文的官方来源存在差异，该区间暂不估价。
-    PricingRule {
-        model: "gpt-5.1-codex-mini",
-        pricing: ModelPricing::new(2_500, 20_000, 250),
-    },
-    PricingRule {
-        model: "gpt-5.3-chat-latest",
-        pricing: ModelPricing::new(17_500, 140_000, 1_750),
-    },
    PricingRule {
        model: "gpt-5.6-cyber",
        pricing: ModelPricing::new(125_000, 750_000, 12_500)
@@ -450,34 +444,6 @@ const PRICING_RULES: &[PricingRule] = &[
        model: "chat-latest",
        pricing: ModelPricing::new(50_000, 300_000, 5_000),
    },
-    PricingRule {
-        model: "gpt-5-codex",
-        pricing: ModelPricing::new(12_500, 100_000, 1_250),
-    },
-    PricingRule {
-        model: "gpt-5.1-codex",
-        pricing: ModelPricing::new(12_500, 100_000, 1_250),
-    },
-    PricingRule {
-        model: "gpt-5.1-codex-max",
-        pricing: ModelPricing::new(12_500, 100_000, 1_250),
-    },
-    PricingRule {
-        model: "gpt-5-chat-latest",
-        pricing: ModelPricing::new(12_500, 100_000, 1_250),
-    },
-    PricingRule {
-        model: "gpt-5.1-chat-latest",
-        pricing: ModelPricing::new(12_500, 100_000, 1_250),
-    },
-    PricingRule {
-        model: "gpt-5.2-codex",
-        pricing: ModelPricing::new(17_500, 140_000, 1_750),
-    },
-    PricingRule {
-        model: "gpt-5.2-chat-latest",
-        pricing: ModelPricing::new(17_500, 140_000, 1_750),
-    },
 ];

 #[derive(Clone, Copy)]
@@ -784,7 +750,6 @@ fn normalize_model_name(model: &str) -> String {
 fn pricing_model_name(model: &str) -> &str {
    match model {
        "gpt-3.5-turbo-0125" => "gpt-3.5-turbo",
-        "gpt-4-0314" => "gpt-4",
        "gpt-4-0613" => "gpt-4",
        "gpt-4-turbo-2024-04-09" => "gpt-4-turbo",
        "gpt-4.1-2025-04-14" => "gpt-4.1",
@@ -660,7 +660,7 @@ async fn openai_admin_provider_projects_cached_quota_models_and_canonical_export
    let Operation::Generate(request) = operation else {
        panic!("connection test must be a generate operation");
    };
-    let encoded = provider_openai::encode_generate_request(&request, "gpt-5.4")
+    let encoded = provider_openai::encode_generate_request(&request, "gpt-5.4", None)
        .expect("official OpenAI request");
    assert_eq!(
        encoded.body().get("model").and_then(Value::as_str),
@@ -1347,6 +1347,7 @@ fn valid_config() -> TestOpenAiConfig {
        arch: "arm64".to_owned(),
        terminal: "xterm-256color".to_owned(),
        residency: None,
+        location: Default::default(),
        verified_at: Utc
            .with_ymd_and_hms(2026, 7, 19, 0, 0, 0)
            .single()
@@ -3,7 +3,74 @@ use std::path::Path;
 use chrono::{TimeZone as _, Utc};
 use provider_openai::config::{
    CodexWireProfileConfig, DEFAULT_STREAM_MAX_RETRIES, MAX_STREAM_MAX_RETRIES, OpenAiConfig,
+    OpenAiConfigError,
 };
+use provider_openai::transport::profile::CodexRequestLocation;
+use serde_json::json;
+
+#[test]
+fn openai_location_should_default_to_passthrough() {
+    let profile = OpenAiConfig::default().wire_profile_state().snapshot();
+    assert_eq!(profile.location, None);
+}
+
+#[test]
+fn openai_config_should_preserve_a_custom_location_in_the_runtime_profile() {
+    let location: CodexRequestLocation = serde_json::from_value(json!({
+        "country": "NZ", "region": "Auckland", "city": "Auckland", "timezone": "Pacific/Auckland"
+    }))
+    .expect("location configuration");
+    let mut config = valid_config();
+    config.wire_profile.location = Some(location.clone());
+    config
+        .resolve_and_validate(Path::new("/srv/gateway"))
+        .expect("valid location");
+    assert_eq!(
+        config.wire_profile_state().snapshot().location,
+        Some(location)
+    );
+}
+
+#[test]
+fn openai_config_should_reject_invalid_location_fields() {
+    for (field, value) in [
+        ("country", "USA"),
+        ("country", "us"),
+        ("country", ""),
+        ("region", " "),
+        ("city", ""),
+    ] {
+        let mut config = valid_config();
+        let location = config
+            .wire_profile
+            .location
+            .insert(CodexRequestLocation::default());
+        let (target, expected) = match field {
+            "country" => (
+                &mut location.country,
+                "openai.wire_profile.location.country",
+            ),
+            "region" => (&mut location.region, "openai.wire_profile.location.region"),
+            _ => (&mut location.city, "openai.wire_profile.location.city"),
+        };
+        *target = value.to_owned();
+        assert_eq!(
+            config.resolve_and_validate(Path::new("/srv/gateway")),
+            Err(OpenAiConfigError::InvalidField(expected))
+        );
+    }
+}
+
+#[test]
+fn location_config_should_reject_unknown_timezones_and_incomplete_groups() {
+    for value in [
+        json!({ "country": "US", "region": "Ohio", "city": "Piketon", "timezone": "Not/A_Timezone" }),
+        json!({ "timezone": "Pacific/Auckland" }),
+        json!({ "country": "US", "region": "Ohio", "city": "Piketon", "timezone": "America/New_York", "extra": true }),
+    ] {
+        assert!(serde_json::from_value::<CodexRequestLocation>(value).is_err());
+    }
+}

 #[test]
 fn openai_config_builds_the_audited_wire_profile() {
@@ -154,6 +221,7 @@ fn valid_config() -> OpenAiConfig {
        arch: "arm64".to_owned(),
        terminal: "xterm-256color".to_owned(),
        residency: None,
+        location: Default::default(),
        verified_at: Utc
            .with_ymd_and_hms(2026, 7, 19, 0, 0, 0)
            .single()
@@ -5,12 +5,16 @@ use chrono::{TimeZone as _, Utc};
 use futures::executor::block_on;
 use gateway_core::account::{ProviderAccount, ProviderAccountId};
 use gateway_core::provider_ports::ProviderCatalogCachePort;
+use gateway_core::routing::{
+    ClientRoutingScope, FrozenAccountScope, ModelServiceTier, ProviderKind, RuntimeAccount,
+    RuntimeAccountDirectory,
+};
 use provider_openai::OFFICIAL_CODEX_BASE_URL;
 use provider_openai::credential::{
    CodexCredentialCatalogError, CodexCredentialCatalogService, ImportCodexOAuthCredential,
 };
 use provider_openai::transport::profile::{CodexWireProfile, CodexWireProfileState};
-use wiremock::matchers::{method, path};
+use wiremock::matchers::{header, method, path, query_param};
 use wiremock::{Mock, MockServer, Request, Respond, ResponseTemplate};

 use crate::support::{MemoryAccountStore, catalog_cache, profile, secret};
@@ -61,6 +65,7 @@ fn wire_profile() -> CodexWireProfileState {
        arch: "x86_64".to_owned(),
        terminal: "catalog-contract".to_owned(),
        residency: None,
+        location: Default::default(),
        verified_at: Utc
            .with_ymd_and_hms(2026, 7, 18, 0, 0, 0)
            .single()
@@ -113,6 +118,289 @@ async fn seed_account_with_plan(
    store.account(account_id).expect("seeded account")
 }

+fn client_scope(accounts: &[ProviderAccount]) -> FrozenAccountScope {
+    FrozenAccountScope::new(
+        Arc::new(RuntimeAccountDirectory::new(
+            accounts
+                .iter()
+                .map(|account| {
+                    (
+                        account.id().clone(),
+                        RuntimeAccount::new(
+                            ProviderKind::new("openai").expect("provider"),
+                            Default::default(),
+                        ),
+                    )
+                })
+                .collect(),
+        )),
+        ClientRoutingScope::all_accounts(),
+    )
+}
+
+#[tokio::test]
+async fn client_catalog_is_account_and_version_scoped_and_keeps_original_objects() {
+    let store = Arc::new(MemoryAccountStore::default());
+    let first = seed_account(&store, "acct_client_a").await;
+    let second = seed_account(&store, "acct_client_b").await;
+    let server = MockServer::start().await;
+    for (account, version, text) in [
+        ("acct_client_a", "0.154.0", "a-original"),
+        ("acct_client_b", "0.154.0", "b-original"),
+        ("acct_client_a", "0.155.0", "a-new-client"),
+    ] {
+        Mock::given(method("GET")).and(path("/codex/models"))
+            .and(header("authorization", format!("Bearer access-{account}")))
+            .and(header("chatgpt-account-id", format!("chatgpt-{account}")))
+            .and(query_param("client_version", version))
+            .respond_with(ResponseTemplate::new(200).set_body_json(serde_json::json!({"models":[{
+                "slug":"gpt-native", "display_name":"Native", "base_instructions":text,
+                "future_field":{"null":null,"list":[1,true]}, "model_messages":{"new_template":text}
+            }]}))).expect(1).mount(&server).await;
+    }
+    let service = service_with_catalog_cache(&store, server.uri(), catalog_cache());
+    for (accounts, version, text) in [
+        (vec![second.clone(), first.clone()], "0.154.0", "a-original"),
+        (vec![second.clone()], "0.154.0", "b-original"),
+        (vec![first.clone()], "0.155.0", "a-new-client"),
+        (vec![first], "0.154.0", "a-original"),
+    ] {
+        let models = service
+            .client_model_catalog(&client_scope(&accounts), version)
+            .await
+            .expect("catalog");
+        let document: serde_json::Value =
+            serde_json::from_slice(models[0].payload.body()).expect("document");
+        assert_eq!(
+            document,
+            serde_json::json!({
+                "slug":"gpt-native", "display_name":"Native", "base_instructions":text,
+                "future_field":{"null":null,"list":[1,true]}, "model_messages":{"new_template":text}
+            })
+        );
+    }
+    assert!(
+        service
+            .client_model_catalog(&client_scope(&[]), "0.154.0")
+            .await
+            .is_err()
+    );
+    server.verify().await;
+}
+
+#[tokio::test]
+async fn client_catalog_coalesces_reads_and_invalidates_on_etag_expiry_and_explicit_reset() {
+    let store = Arc::new(MemoryAccountStore::default());
+    let account = seed_account(&store, "acct_client_cache").await;
+    let scope = client_scope(&[account]);
+    let server = MockServer::start().await;
+    Mock::given(method("GET"))
+        .and(path("/codex/models"))
+        .respond_with(
+            ResponseTemplate::new(200)
+                .set_body_raw(OFFICIAL_FIXTURE, "application/json")
+                .set_delay(std::time::Duration::from_millis(20)),
+        )
+        .expect(4)
+        .mount(&server)
+        .await;
+    let service = service_with_catalog_cache(&store, server.uri(), catalog_cache());
+    let (first, second) = tokio::join!(
+        service.client_model_catalog(&scope, "0.154.0"),
+        service.client_model_catalog(&scope, "0.154.0")
+    );
+    assert_eq!(first.expect("first"), second.expect("second"));
+    service
+        .invalidate()
+        .expect("reset without a routing snapshot");
+    service
+        .client_model_catalog(&scope, "0.154.0")
+        .await
+        .expect("after reset");
+    assert!(service.observe_response_etag("catalog-new").expect("ETag"));
+    service
+        .client_model_catalog(&scope, "0.154.0")
+        .await
+        .expect("after ETag");
+    assert!(
+        !service
+            .observe_response_etag("catalog-new")
+            .expect("same ETag")
+    );
+    service
+        .client_model_catalog(&scope, "0.154.0")
+        .await
+        .expect("still cached");
+    tokio::time::pause();
+    tokio::time::advance(std::time::Duration::from_secs(301)).await;
+    tokio::time::resume();
+    service
+        .client_model_catalog(&scope, "0.154.0")
+        .await
+        .expect("after TTL");
+    server.verify().await;
+}
+
+#[tokio::test]
+async fn client_catalog_cache_does_not_survive_credential_rotation() {
+    let store = Arc::new(MemoryAccountStore::default());
+    let account = seed_account(&store, "acct_client_rotate").await;
+    let scope = client_scope(std::slice::from_ref(&account));
+    let server = MockServer::start().await;
+    for (token, text) in [
+        ("access-acct_client_rotate", "old"),
+        ("rotated-access", "new"),
+    ] {
+        Mock::given(method("GET"))
+            .and(path("/codex/models"))
+            .and(header("authorization", format!("Bearer {token}")))
+            .respond_with(
+                ResponseTemplate::new(200).set_body_json(serde_json::json!({"models":[{
+                    "slug":"gpt-native", "display_name":"Native", "base_instructions":text
+                }]})),
+            )
+            .expect(1)
+            .mount(&server)
+            .await;
+    }
+    let service = service_with_catalog_cache(&store, server.uri(), catalog_cache());
+    let first = service
+        .client_model_catalog(&scope, "0.154.0")
+        .await
+        .expect("old");
+    store
+        .repository()
+        .rotate_refreshed_oauth_secret(&account, secret("rotated-access"), None, None)
+        .await
+        .expect("rotate");
+    let second = service
+        .client_model_catalog(&scope, "0.154.0")
+        .await
+        .expect("new");
+    assert_ne!(first, second);
+    server.verify().await;
+}
+
+#[tokio::test]
+async fn failed_client_catalog_never_falls_back_to_an_out_of_scope_account_or_plan_cache() {
+    let store = Arc::new(MemoryAccountStore::default());
+    let allowed = seed_account(&store, "acct_client_allowed").await;
+    seed_account(&store, "acct_client_outside").await;
+    let server = MockServer::start().await;
+    Mock::given(method("GET"))
+        .and(path("/codex/models"))
+        .and(header("authorization", "Bearer access-acct_client_allowed"))
+        .respond_with(ResponseTemplate::new(503))
+        .expect(1)
+        .mount(&server)
+        .await;
+    let service = service_with_catalog_cache(&store, server.uri(), catalog_cache());
+    let scope = client_scope(&[allowed]);
+    for _ in 0..2 {
+        assert!(
+            service
+                .client_model_catalog(&scope, "0.154.0")
+                .await
+                .is_err()
+        );
+    }
+    assert_eq!(server.received_requests().await.expect("requests").len(), 1);
+    server.verify().await;
+}
+
+#[tokio::test]
+async fn raw_instructions_only_change_advances_catalog_generation() {
+    let store = Arc::new(MemoryAccountStore::default());
+    seed_account(&store, "acct_raw_generation").await;
+    let server = MockServer::start().await;
+    Mock::given(method("GET")).and(path("/codex/models"))
+        .respond_with(SequencedCatalogResponder {
+            calls: Arc::new(AtomicUsize::new(0)),
+            bodies: [
+                br#"{"models":[{"slug":"gpt-native","display_name":"Native","model_messages":{"future":"old"}}]}"#,
+                br#"{"models":[{"slug":"gpt-native","display_name":"Native","model_messages":{"future":"new"}}]}"#,
+            ],
+        }).expect(2).mount(&server).await;
+    let service = service_with_catalog_cache(&store, server.uri(), catalog_cache());
+    service.synchronize().await.expect("initial");
+    let generation = service.catalog_generation();
+    service.refresh_catalogs().await.expect("refresh");
+    assert!(service.catalog_generation() > generation);
+    server.verify().await;
+}
+
+#[tokio::test]
+async fn client_catalog_evicts_old_entries_after_32_distinct_versions() {
+    let store = Arc::new(MemoryAccountStore::default());
+    let account = seed_account(&store, "acct_client_bounded").await;
+    let scope = client_scope(&[account]);
+    let server = MockServer::start().await;
+    Mock::given(method("GET"))
+        .and(path("/codex/models"))
+        .respond_with(ResponseTemplate::new(200).set_body_raw(OFFICIAL_FIXTURE, "application/json"))
+        .expect(34)
+        .mount(&server)
+        .await;
+    let service = service_with_catalog_cache(&store, server.uri(), catalog_cache());
+    for patch in 0..33 {
+        service
+            .client_model_catalog(&scope, &format!("0.154.{patch}"))
+            .await
+            .expect("catalog");
+    }
+    service
+        .client_model_catalog(&scope, "0.154.32")
+        .await
+        .expect("newest is cached");
+    service
+        .client_model_catalog(&scope, "0.154.0")
+        .await
+        .expect("oldest was evicted");
+    server.verify().await;
+}
+
+#[tokio::test]
+async fn client_catalog_retries_after_short_failure_cache_expires() {
+    let store = Arc::new(MemoryAccountStore::default());
+    let account = seed_account(&store, "acct_client_retry").await;
+    let scope = client_scope(&[account]);
+    let server = MockServer::start().await;
+    let failure = Mock::given(method("GET"))
+        .and(path("/codex/models"))
+        .respond_with(ResponseTemplate::new(503))
+        .expect(1)
+        .mount_as_scoped(&server)
+        .await;
+    let service = service_with_catalog_cache(&store, server.uri(), catalog_cache());
+    assert!(
+        service
+            .client_model_catalog(&scope, "0.154.0")
+            .await
+            .is_err()
+    );
+    drop(failure);
+    Mock::given(method("GET"))
+        .and(path("/codex/models"))
+        .respond_with(ResponseTemplate::new(200).set_body_raw(OFFICIAL_FIXTURE, "application/json"))
+        .expect(1)
+        .mount(&server)
+        .await;
+    assert!(
+        service
+            .client_model_catalog(&scope, "0.154.0")
+            .await
+            .is_err()
+    );
+    tokio::time::pause();
+    tokio::time::advance(std::time::Duration::from_secs(6)).await;
+    tokio::time::resume();
+    service
+        .client_model_catalog(&scope, "0.154.0")
+        .await
+        .expect("recovered after failure TTL");
+    server.verify().await;
+}
+
 #[test]
 fn catalog_starts_without_a_snapshot_or_generation() {
    let store = Arc::new(MemoryAccountStore::default());
@@ -192,6 +480,52 @@ async fn plan_catalog_cache_is_shared_and_manual_refresh_replaces_it() {
    server.verify().await;
 }

+#[tokio::test]
+async fn service_tier_changes_should_replace_cached_metadata_and_advance_generation() {
+    let store = Arc::new(MemoryAccountStore::default());
+    seed_account(&store, "acct_service_tiers").await;
+    let server = MockServer::start().await;
+    Mock::given(method("GET"))
+        .and(path("/codex/models"))
+        .respond_with(SequencedCatalogResponder {
+            calls: Arc::new(AtomicUsize::new(0)),
+            bodies: [
+                br#"{"models":[{"slug":"gpt-5.4","display_name":"GPT-5.4","service_tiers":[{"id":"priority","name":"Fast","description":"Priority processing."}]}]}"#,
+                br#"{"models":[{"slug":"gpt-5.4","display_name":"GPT-5.4","service_tiers":[]}]}"#,
+            ],
+        })
+        .expect(2)
+        .mount(&server)
+        .await;
+    let service = service_with_catalog_cache(&store, server.uri(), catalog_cache());
+
+    let initial = service.synchronize().await.expect("initial catalog");
+    let generation = service.catalog_generation().get();
+    let cached = service.synchronize().await.expect("cached catalog");
+    assert_eq!(cached.models(), initial.models());
+    assert_eq!(
+        cached.models()[0].metadata().service_tiers(),
+        [ModelServiceTier::new(
+            "priority",
+            "Fast",
+            "Priority processing."
+        )]
+    );
+    assert_eq!(service.catalog_generation().get(), generation);
+
+    let refreshed = service.refresh_catalogs().await.expect("updated catalog");
+    assert!(refreshed.models()[0].metadata().service_tiers().is_empty());
+    assert_eq!(service.catalog_generation().get(), generation + 1);
+    assert_eq!(
+        service
+            .cached()
+            .expect("cache read")
+            .expect("cached snapshot")
+            .models(),
+        refreshed.models()
+    );
+}
+
 #[tokio::test]
 async fn plan_catalog_refresh_stops_after_three_failed_accounts() {
    let store = Arc::new(MemoryAccountStore::default());
@@ -161,6 +161,7 @@ fn selector_with_runtime(
        arch: "x86_64".to_owned(),
        terminal: "selector-contract".to_owned(),
        residency: None,
+        location: Default::default(),
        verified_at: chrono::Utc::now(),
    });
    let http = reqwest::Client::builder().build().expect("HTTP client");
@@ -6,7 +6,7 @@ use gateway_core::account::ProviderAccountId;
 use provider_openai::credential::{CodexCredentialProfileService, ImportCodexOAuthCredential};
 use provider_openai::transport::profile::{CodexWireProfile, CodexWireProfileState};
 use serde_json::json;
-use wiremock::matchers::{header, method, path};
+use wiremock::matchers::{header, method, path, query_param};
 use wiremock::{Mock, MockServer, ResponseTemplate};

 use crate::support::{MemoryAccountStore, profile, secret};
@@ -22,6 +22,7 @@ fn wire_profile() -> CodexWireProfileState {
        arch: "x86_64".to_owned(),
        terminal: "profile-statistics-contract".to_owned(),
        residency: None,
+        location: Default::default(),
        verified_at: Utc
            .with_ymd_and_hms(2026, 8, 28, 0, 0, 0)
            .single()
@@ -59,6 +60,11 @@ async fn service(
 #[tokio::test]
 async fn profile_statistics_uses_one_profile_request_and_preserves_official_fields() {
    let server = MockServer::start().await;
+    Mock::given(path("/backend-api/subscriptions"))
+        .respond_with(ResponseTemplate::new(500))
+        .expect(0)
+        .mount(&server)
+        .await;
    Mock::given(method("GET"))
        .and(path("/api/codex/profiles/me"))
        .and(header(
@@ -227,3 +233,66 @@ async fn profile_avatar_reuses_cached_source_with_the_accounts_rotated_token() {
        "chatgpt-acct_profile_avatar"
    );
 }
+
+#[tokio::test]
+async fn subscription_is_read_only_and_makes_one_bound_account_request_per_query() {
+    let server = MockServer::start().await;
+    let (store, service) = service("acct_subscription", &server).await;
+    let account = store.account("acct_subscription").expect("account");
+    Mock::given(method("GET"))
+        .and(path("/backend-api/subscriptions"))
+        .and(query_param("account_id", "chatgpt-acct_subscription"))
+        .and(header("chatgpt-account-id", "chatgpt-acct_subscription"))
+        .and(header("authorization", "Bearer token-acct_subscription"))
+        .respond_with(ResponseTemplate::new(200).set_body_json(json!({
+            "active_until": "2026-10-01T00:00:00Z", "will_renew": true
+        })))
+        .expect(2)
+        .mount(&server)
+        .await;
+    for _ in 0..2 {
+        let subscription = service.subscription(account.id()).await.unwrap().unwrap();
+        assert_eq!(subscription.will_renew, Some(true));
+    }
+    let after = store.account("acct_subscription").expect("account");
+    assert_eq!(after.revision(), account.revision());
+    assert_eq!(after.quota(), account.quota());
+    assert_eq!(server.received_requests().await.unwrap().len(), 2);
+}
+
+#[tokio::test]
+async fn subscription_discards_response_when_credential_rotates_during_query() {
+    let server = MockServer::start().await;
+    let (store, service) = service("acct_subscription_rotation", &server).await;
+    let account = store
+        .account("acct_subscription_rotation")
+        .expect("account");
+    let requested = Arc::new(tokio::sync::Notify::new());
+    let notify = Arc::clone(&requested);
+    Mock::given(path("/backend-api/subscriptions"))
+        .respond_with(move |_: &wiremock::Request| {
+            notify.notify_one();
+            ResponseTemplate::new(200)
+                .set_body_json(json!({"active_until": "2026-10-01T00:00:00Z"}))
+                .set_delay(std::time::Duration::from_millis(100))
+        })
+        .expect(1)
+        .mount(&server)
+        .await;
+    let (result, ()) = tokio::join!(service.subscription(account.id()), async {
+        tokio::time::timeout(std::time::Duration::from_secs(3), requested.notified())
+            .await
+            .unwrap();
+        store
+            .repository()
+            .rotate_refreshed_oauth_secret(
+                &account,
+                secret("rotated-subscription-token"),
+                None,
+                None,
+            )
+            .await
+            .unwrap();
+    });
+    assert!(result.unwrap().is_none());
+}
@@ -5,6 +5,7 @@ mod refresh_timing;
 mod scheduling;
 mod slots;
 mod snapshot;
+mod subscription;

 use std::sync::Arc;
 use std::time::SystemTime;
@@ -37,6 +38,7 @@ fn wire_profile() -> CodexWireProfileState {
        arch: "x86_64".to_owned(),
        terminal: "quota-contract".to_owned(),
        residency: None,
+        location: Default::default(),
        verified_at: Utc
            .with_ymd_and_hms(2026, 7, 18, 0, 0, 0)
            .single()
@@ -561,6 +561,102 @@ async fn an_unknown_slot_establishes_a_baseline_before_it_can_recover() {
    }
 }

+#[tokio::test]
+async fn weekly_usage_falling_back_within_the_same_window_recovers_after_two_observations() {
+    // 滑动周窗口的用量可以在同一窗口内回落：reset 不滚动、用量从 100% 降到
+    // 正常水平。此时"reset 前进 + 低用量"永远不会成立，解除依赖连续两次
+    // 观测都未触顶；单次观测无法排除耗尽后立刻拉到的旧快照，保持锁定。
+    let store = Arc::new(MemoryAccountStore::default());
+    create_account(&store, "acct_weekly_fallout").await;
+    let account = store.account("acct_weekly_fallout").expect("account");
+    let server = MockServer::start().await;
+    let service = quota_service_with_base_url(&store, reqwest::Client::new(), server.uri());
+    let mut old = usage((100, SHORT_RESET), (100, WEEK_RESET));
+    old["rate_limit"]["allowed"] = json!(false);
+    old["rate_limit"]["limit_reached"] = json!(true);
+    mount_usage(&server, old).await;
+    service
+        .refresh_account(account.id())
+        .await
+        .expect("seed exhausted quota");
+
+    // 5h 窗口滚动前进，周窗口 reset 不变但用量回落到正常水平：只标记候选。
+    let mut first_observation = usage((0, SHORT_RESET + 18_000), (18, WEEK_RESET));
+    first_observation["rate_limit"]["allowed"] = json!(true);
+    mount_usage(&server, first_observation).await;
+    let first = service
+        .refresh_account(account.id())
+        .await
+        .expect("first fallout observation");
+    assert!(first.quota().is_exhausted());
+
+    // 第二次连续观测仍未触顶：解除周窗口。
+    let mut second_observation = usage((9, SHORT_RESET + 36_000), (18, WEEK_RESET));
+    second_observation["rate_limit"]["allowed"] = json!(true);
+    mount_usage(&server, second_observation).await;
+    let second = service
+        .refresh_account(account.id())
+        .await
+        .expect("second fallout observation");
+    assert_eq!(second.quota().access(), QuotaAccessState::Allowed);
+}
+
+#[tokio::test]
+async fn a_single_same_window_fallout_observation_cannot_break_the_reset_baseline() {
+    // 连续性中断（观测到重新触顶）后必须重新积累两次未触顶证据。
+    let store = Arc::new(MemoryAccountStore::default());
+    create_account(&store, "acct_weekly_fallout_gap").await;
+    let account = store.account("acct_weekly_fallout_gap").expect("account");
+    let server = MockServer::start().await;
+    let service = quota_service_with_base_url(&store, reqwest::Client::new(), server.uri());
+    let mut old = usage((100, SHORT_RESET), (100, WEEK_RESET));
+    old["rate_limit"]["allowed"] = json!(false);
+    mount_usage(&server, old).await;
+    service
+        .refresh_account(account.id())
+        .await
+        .expect("seed exhausted quota");
+
+    mount_usage(&server, usage((0, SHORT_RESET + 18_000), (18, WEEK_RESET))).await;
+    assert!(
+        service
+            .refresh_account(account.id())
+            .await
+            .expect("first candidate")
+            .quota()
+            .is_exhausted()
+    );
+    // 观测到重新触顶，候选证据清零。
+    mount_usage(&server, usage((0, SHORT_RESET + 36_000), (100, WEEK_RESET))).await;
+    assert!(
+        service
+            .refresh_account(account.id())
+            .await
+            .expect("reached again")
+            .quota()
+            .is_exhausted()
+    );
+    mount_usage(&server, usage((0, SHORT_RESET + 54_000), (18, WEEK_RESET))).await;
+    assert!(
+        service
+            .refresh_account(account.id())
+            .await
+            .expect("candidate restarts")
+            .quota()
+            .is_exhausted()
+    );
+    mount_usage(&server, usage((0, SHORT_RESET + 72_000), (18, WEEK_RESET))).await;
+    assert_eq!(
+        service
+            .refresh_account(account.id())
+            .await
+            .expect("second consecutive observation")
+            .quota()
+            .access(),
+        QuotaAccessState::Allowed
+    );
+}
+
 #[tokio::test]
 async fn monthly_and_arbitrary_periods_use_the_same_recovery_rule() {
    for seconds in [18_000, 86_400, 604_800, 864_000, 2_592_000, 7_776_000] {
@@ -0,0 +1,37 @@
+//! 订阅展示不得随手工或后台额度检查预取。
+
+use super::*;
+
+#[tokio::test]
+async fn quota_refresh_and_background_synchronize_do_not_query_subscription() {
+    let store = Arc::new(MemoryAccountStore::default());
+    create_account(&store, "acct_quota_without_subscription").await;
+    let account = store.account("acct_quota_without_subscription").unwrap();
+    let server = MockServer::start().await;
+    Mock::given(path("/backend-api/subscriptions"))
+        .respond_with(ResponseTemplate::new(500))
+        .expect(0)
+        .mount(&server)
+        .await;
+    Mock::given(path("/api/codex/usage"))
+        .respond_with(ResponseTemplate::new(200).set_body_json(json!({
+            "rate_limit": {
+                "allowed": true,
+                "primary_window": { "used_percent": 20, "limit_window_seconds": 18000 }
+            }
+        })))
+        .expect(2..)
+        .mount(&server)
+        .await;
+    let service = quota_service_with_base_url(&store, reqwest::Client::new(), server.uri());
+    service.synchronize().await.unwrap();
+    service.refresh_account(account.id()).await.unwrap();
+    assert!(
+        server
+            .received_requests()
+            .await
+            .unwrap()
+            .iter()
+            .all(|request| request.url.path() == "/api/codex/usage")
+    );
+}
@@ -33,9 +33,9 @@ use gateway_core::operation::{
 };
 use gateway_core::policy::ClientApiKeyId;
 use gateway_core::routing::{
-    ClientRoutingScope, ConfigRevision, FrozenAccountScope, ModelCapabilities, ProviderKind,
-    ProviderModel, PublicModelId, RoutingContext, RuntimeAccount, RuntimeAccountDirectory,
-    RuntimeSnapshot, UpstreamModelId,
+    ClientRoutingScope, ConfigRevision, FrozenAccountScope, ModelCapabilities, ModelServiceTier,
+    ProviderKind, ProviderModel, PublicModelId, RoutingContext, RuntimeAccount,
+    RuntimeAccountDirectory, RuntimeSnapshot, UpstreamModelId,
 };
 use gateway_core::upstream::UpstreamSendState;
 use provider_openai::config::DEFAULT_STREAM_MAX_RETRIES;
@@ -138,6 +138,9 @@ fn wire_profile() -> CodexWireProfileState {
        arch: "x86_64".to_owned(),
        terminal: "provider-contract".to_owned(),
        residency: None,
+        location: serde_json::from_value(json!({
+            "country": "NZ", "region": "Auckland", "city": "Auckland", "timezone": "Pacific/Auckland"
+        })).expect("configured request location"),
        verified_at: Utc::now(),
    })
 }
@@ -465,6 +468,9 @@ fn contract_account_scope() -> Arc<FrozenAccountScope> {
        "acct_websocket_busy_replay",
        "acct_websocket_metadata_close",
        "acct_websocket_turn_state",
+        "acct_ws_quota_a",
+        "acct_ws_quota_b",
+        "acct_ws_midstream_overload",
    ]
    .into_iter()
    .map(|id| {
@@ -662,6 +668,47 @@ async fn capture_scoped_http_request(
    requests.pop().expect("single scoped request")
 }

+#[tokio::test]
+async fn provider_should_send_the_configured_location_to_the_upstream() {
+    let body = json!({
+        "model": "gpt-5.4",
+        "input": [{
+            "role": "user",
+            "content": [{"type": "input_text", "text": "<environment_context><timezone>UTC</timezone></environment_context>"}],
+            "internal_chat_message_metadata_passthrough": {
+                "content_item_kinds": ["environments.environment_context"],
+                "create_time": 1789293131.822
+            }
+        }],
+        "tools": [{"type": "web_search"}]
+    }).as_object().expect("request object").clone();
+    let captured = capture_scoped_http_request(
+        "req_configured_location",
+        "acct_provider_contract",
+        "acct_provider_contract",
+        body,
+        Map::new(),
+    )
+    .await;
+    let body = captured_request_body(&captured);
+    assert_eq!(
+        body.pointer("/tools/0/user_location"),
+        Some(&json!({
+            "type": "approximate", "country": "NZ", "region": "Auckland", "city": "Auckland", "timezone": "Pacific/Auckland"
+        }))
+    );
+    assert_eq!(
+        body.pointer("/input/0/content/0/text"),
+        Some(&json!(
+            "<environment_context><timezone>Pacific/Auckland</timezone></environment_context>"
+        ))
+    );
+    assert_eq!(
+        body.pointer("/input/0/internal_chat_message_metadata_passthrough/create_time"),
+        Some(&json!(1789293131.822))
+    );
+}
+
 async fn capture_turn_state_request(
    request_id: &str,
    previous_turn_id: Option<&str>,
@@ -2327,6 +2374,114 @@ async fn abrupt_websocket_disconnect_preserves_diagnosis_and_ambiguous_send_stat
    );
 }

+#[tokio::test]
+async fn websocket_midstream_error_frame_surfaces_upstream_message_after_delivery() {
+    const ACCOUNT_ID: &str = "acct_ws_midstream_overload";
+    const RESPONSE_ID: &str = "resp_midstream_overload";
+    const OVERLOAD_MESSAGE: &str = "Our servers are currently overloaded. Please try again later.";
+
+    let store = Arc::new(MemoryAccountStore::default());
+    create_account(&store, ACCOUNT_ID).await;
+    let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
+    let base_url = format!("http://{}", listener.local_addr().unwrap());
+    let server = tokio::spawn(async move {
+        let (stream, _) = listener.accept().await.expect("accept WebSocket");
+        let mut websocket = accept_codex_test_websocket(stream).await;
+        let _request = websocket
+            .next()
+            .await
+            .expect("WebSocket request")
+            .expect("valid WebSocket request");
+        // 真实生产观察：OpenAI 在流已开始后发送带原话的 `error` 帧再断连。
+        websocket
+            .send(Message::Text(
+                json!({
+                    "type": "response.created",
+                    "response": {"id": RESPONSE_ID, "model": "gpt-5.4", "status": "in_progress"}
+                })
+                .to_string()
+                .into(),
+            ))
+            .await
+            .expect("send response.created");
+        websocket
+            .send(Message::Text(
+                json!({
+                    "type": "response.in_progress",
+                    "response": {"id": RESPONSE_ID, "model": "gpt-5.4", "status": "in_progress"}
+                })
+                .to_string()
+                .into(),
+            ))
+            .await
+            .expect("send response.in_progress");
+        tokio::time::sleep(Duration::from_millis(1_600)).await;
+        websocket
+            .send(Message::Text(
+                json!({
+                    "type": "error",
+                    "error": {
+                        "type": "service_unavailable_error",
+                        "code": "server_is_overloaded",
+                        "message": OVERLOAD_MESSAGE,
+                        "param": null
+                    },
+                    "sequence_number": 2
+                })
+                .to_string()
+                .into(),
+            ))
+            .await
+            .expect("send error frame");
+        // 不发送任何终止事件，直接断开，模拟上游发完错误帧后的真实行为。
+    });
+
+    let provider = provider_with_base_url(&store, base_url);
+    let mut stream = provider
+        .execute(
+            planned_request("openai", generate_operation()),
+            context("req_ws_midstream_overload", CancellationToken::new()),
+        )
+        .await
+        .expect("prepare midstream-failure stream");
+    let mut failure = loop {
+        match stream.next().await {
+            Some(Ok(_)) => {}
+            Some(Err(error)) => break error,
+            None => panic!("midstream error frame must surface a typed failure"),
+        }
+    };
+    server.abort();
+
+    assert_eq!(
+        failure.kind(),
+        ProviderErrorKind::UpstreamCapacityUnavailable
+    );
+    assert_eq!(failure.send_state(), UpstreamSendState::Sent);
+    // 交给 Core 的失败必须保留上游原话：客户端只能靠它知道失败原因。
+    let visible = failure
+        .client_visible_upstream_error()
+        .expect("overload frame must carry a client-visible upstream error");
+    assert_eq!(visible.code(), Some("server_is_overloaded"));
+    assert_eq!(visible.message(), OVERLOAD_MESSAGE);
+    // 原始错误帧必须随失败一起交给交付边界（SSE 侧据此翻译成 response.failed）。
+    let atomic = failure.take_atomic_client_events();
+    let error_frame = atomic
+        .iter()
+        .find_map(|event| {
+            let wire = event.wire_event()?;
+            (wire.event_type() == Some("error")).then(|| wire.data().clone())
+        })
+        .expect("atomic batch must carry the upstream error frame");
+    assert_eq!(
+        error_frame
+            .get("error")
+            .and_then(|error| error.get("message"))
+            .and_then(Value::as_str),
+        Some(OVERLOAD_MESSAGE)
+    );
+}
+
 #[tokio::test]
 async fn websocket_idle_timeout_diagnosis_survives_ambiguous_send_wrapping() {
    const ACCOUNT_ID: &str = "acct_abrupt_disconnect";
@@ -3124,6 +3279,60 @@ async fn downstream_websocket_new_chain_should_override_session_and_attempt_http
    server.await.unwrap();
 }

+#[tokio::test]
+async fn websocket_opening_account_rejection_keeps_replay_safe_without_transport_retry() {
+    let store = Arc::new(MemoryAccountStore::default());
+    create_account(&store, "acct_ws_quota_a").await;
+    create_account(&store, "acct_ws_quota_b").await;
+    let listener = TcpListener::bind("127.0.0.1:0").await.unwrap();
+    let base_url = format!("http://{}", listener.local_addr().unwrap());
+    let server = tokio::spawn(async move {
+        let (mut opening, _) = listener.accept().await.unwrap();
+        let request = capture_http_request(&mut opening).await;
+        assert!(String::from_utf8_lossy(&request).starts_with("GET /codex/responses"));
+        // 额度耗尽拒绝通常携带小时级的 retry-after；同账号重试注定再次命中。
+        let body = r#"{"error":{"message":"You have reached your usage limit.","type":"rate_limit_error"}}"#;
+        opening
+            .write_all(
+                format!(
+                    "HTTP/1.1 429 Too Many Requests\r\nretry-after: 129600\r\ncontent-type: application/json\r\ncontent-length: {}\r\nconnection: close\r\n\r\n{body}",
+                    body.len()
+                )
+                .as_bytes(),
+            )
+            .await
+            .unwrap();
+    });
+
+    let provider = provider_with_base_url(&store, base_url);
+    let mut stream = provider
+        .execute(
+            planned_request("openai", generate_operation()),
+            context("req_ws_quota_rotation", CancellationToken::new()),
+        )
+        .await
+        .expect("prepare quota-rejected stream");
+    let error = loop {
+        match stream.next().await {
+            Some(Ok(_)) => {}
+            Some(Err(error)) => break error,
+            None => panic!("quota rejection must surface as a terminal error"),
+        }
+    };
+    server.await.expect("upstream server");
+
+    assert_eq!(error.kind(), ProviderErrorKind::RateLimited);
+    assert_eq!(error.upstream_status(), Some(429));
+    assert_eq!(error.send_state(), UpstreamSendState::NotSent);
+    assert!(
+        error.replay_is_safe(),
+        "before-payload rejection is replay safe"
+    );
+    // 回放安全的账号级拒绝必须把换号决策留给 Core，不得钉死同账号传输重试
+    // （旧行为会携带小时级 retry-after 的同账号重试标记，请求必然超时）。
+    assert_eq!(error.pre_delivery_retry(), None);
+}
+
 #[tokio::test]
 async fn websocket_turn_state_metadata_is_exposed_through_response_observation() {
    let store = Arc::new(MemoryAccountStore::default());
@@ -4843,10 +5052,157 @@ async fn completed_response_persists_session_affinity_before_stream_consumer_sto
    drop(stream);

    assert_eq!(affinity.binding_count(), 1);
-    assert_eq!(observed_service_tier.as_deref(), Some("default"));
+    assert_eq!(observed_service_tier.as_deref(), Some("priority"));
    assert_eq!(upstream_service_tier.as_deref(), Some("default"));
 }

+#[tokio::test]
+async fn responses_should_observe_and_bill_the_outbound_service_tier_on_both_transports() {
+    for use_websocket in [false, true] {
+        for (requested, reported, expected_cost) in [
+            (Some("priority"), Some("default"), 6_875_000),
+            (Some("priority"), None, 6_875_000),
+            (Some("default"), Some("priority"), 3_437_500),
+            (None, Some("priority"), 3_437_500),
+        ] {
+            let store = Arc::new(MemoryAccountStore::default());
+            create_account(&store, "acct_provider_contract").await;
+            let mut created =
+                json!({"type":"response.created","response":{"id":"resp_tier","model":"gpt-5.4"}});
+            let mut completed = json!({
+                "type":"response.completed",
+                "response":{
+                    "id":"resp_tier","model":"gpt-5.4","status":"completed","output":[],
+                    "usage":{"input_tokens":100,"output_tokens":10,"input_tokens_details":{"cached_tokens":25,"cache_write_tokens":0},"total_tokens":110}
+                }
+            });
+            if let Some(reported) = reported {
+                created["response"]["service_tier"] = json!("auto");
+                completed["response"]["service_tier"] = json!(reported);
+            }
+            let response_frames = format!(
+                "event: response.created\ndata: {created}\n\nevent: response.completed\ndata: {completed}\n\n"
+            );
+            let (base_url, http_server, websocket_server) = if use_websocket {
+                let listener = TcpListener::bind("127.0.0.1:0").await.expect("listener");
+                let base_url = format!("http://{}", listener.local_addr().expect("address"));
+                let server = tokio::spawn(async move {
+                    let (socket, _) = listener.accept().await.expect("accept WebSocket");
+                    let mut websocket = accept_codex_test_websocket(socket).await;
+                    let request = websocket.next().await.expect("request").expect("frame");
+                    let request: Value = serde_json::from_str(request.to_text().expect("text"))
+                        .expect("request JSON");
+                    for event in [created, completed] {
+                        websocket
+                            .send(Message::Text(event.to_string().into()))
+                            .await
+                            .expect("response");
+                    }
+                    request
+                });
+                (base_url, None, Some(server))
+            } else {
+                let server = MockServer::start().await;
+                Mock::given(method("POST"))
+                    .and(path("/codex/responses"))
+                    .respond_with(
+                        ResponseTemplate::new(200)
+                            .set_body_raw(response_frames.clone(), "text/event-stream"),
+                    )
+                    .expect(1)
+                    .mount(&server)
+                    .await;
+                (server.uri(), Some(server), None)
+            };
+            let mut body = Map::from_iter([
+                ("model".to_owned(), json!("gpt-5.4")),
+                ("input".to_owned(), json!("hello")),
+            ]);
+            if let Some(requested) = requested {
+                body.insert("service_tier".to_owned(), json!(requested));
+            }
+            let payload = ProtocolPayload::json_object("openai", body)
+                .expect("payload")
+                .with_context(Map::from_iter([(
+                    "use_websocket".to_owned(),
+                    json!(use_websocket),
+                )]));
+            let mut stream = provider_with_base_url(&store, base_url)
+                .execute(
+                    planned_request(
+                        "openai",
+                        Operation::Generate(GenerateRequest::from_protocol_payload(payload)),
+                    ),
+                    context("req_service_tier", CancellationToken::new()),
+                )
+                .await
+                .expect("provider stream");
+            let mut observations = Vec::new();
+            let mut costs = Vec::new();
+            let mut raw_response = Vec::new();
+            while let Some(event) = stream.next().await {
+                let event = event.expect("provider event");
+                if let Some(observation) = event.response_observation() {
+                    observations.push(observation.clone());
+                }
+                for fact in event.canonical_facts() {
+                    if let GatewayEvent::CalculatedCost(cost) = fact {
+                        costs.push(cost.total().amount().scaled());
+                    }
+                }
+                if let Some(frame) = event.wire_event().and_then(|wire| wire.raw_sse_frame()) {
+                    raw_response.extend_from_slice(frame);
+                }
+            }
+            let outbound = if let Some(server) = http_server {
+                server.verify().await;
+                let requests = server.received_requests().await.expect("upstream requests");
+                captured_request_body(&requests[0])
+            } else {
+                websocket_server
+                    .expect("WebSocket server")
+                    .await
+                    .expect("server task")
+            };
+            assert_eq!(
+                outbound.get("service_tier").and_then(Value::as_str),
+                requested
+            );
+            assert!(!observations.is_empty());
+            for observation in &observations {
+                assert_eq!(
+                    observation.service_tier(),
+                    requested,
+                    "WebSocket={use_websocket}"
+                );
+            }
+            let metadata: Value = serde_json::from_str(
+                observations
+                    .last()
+                    .expect("final observation")
+                    .provider_metadata()
+                    .expect("metadata")
+                    .as_json(),
+            )
+            .expect("metadata JSON");
+            assert_eq!(
+                metadata.get("requestedServiceTier").and_then(Value::as_str),
+                requested
+            );
+            assert_eq!(
+                metadata.get("upstreamServiceTier").and_then(Value::as_str),
+                reported
+            );
+            assert_eq!(
+                costs,
+                vec![expected_cost],
+                "WebSocket={use_websocket}, requested={requested:?}, reported={reported:?}"
+            );
+            assert_eq!(raw_response, response_frames.as_bytes());
+        }
+    }
+}
+
 #[tokio::test]
 async fn response_failed_before_semantic_output_is_atomic_and_persists_quota_lock() {
    let store = Arc::new(MemoryAccountStore::default());
@@ -5094,6 +5450,218 @@ async fn official_usage_limit_failure_persists_fact_without_fabricating_usage()
    );
 }

+#[tokio::test]
+async fn capacity_http_and_websocket_opening_rejections_use_bounded_business_retry() {
+    for use_websocket in [false, true] {
+        for status in [400, 429, 503] {
+            let store = Arc::new(MemoryAccountStore::default());
+            let account_id = "acct_provider_contract";
+            create_account(&store, account_id).await;
+            let server = MockServer::start().await;
+            let body = json!({"error": {
+                "code": if status == 503 { Some("server_is_overloaded") } else { None },
+                "type": "server_error",
+                "message": "Selected model is at capacity. Please try a different model.",
+                "extension": {"preserved": true}
+            }});
+            Mock::given(method(if use_websocket { "GET" } else { "POST" }))
+                .and(path("/codex/responses"))
+                .respond_with(
+                    ResponseTemplate::new(status)
+                        .insert_header("retry-after", "129600")
+                        .set_body_json(body.clone()),
+                )
+                .expect(1)
+                .mount(&server)
+                .await;
+            let operation = if use_websocket {
+                generate_operation()
+            } else {
+                http_generate_operation()
+            };
+            let mut stream = provider_with_base_url(&store, server.uri())
+                .execute(
+                    planned_request("openai", operation),
+                    context("req_capacity", CancellationToken::new()),
+                )
+                .await
+                .expect("prepare stream");
+            let error = loop {
+                match stream.next().await {
+                    Some(Ok(_)) => {}
+                    Some(Err(error)) => break error,
+                    None => panic!("expected capacity rejection"),
+                }
+            };
+            assert_eq!(error.kind(), ProviderErrorKind::UpstreamCapacityUnavailable);
+            assert_eq!(error.upstream_status(), Some(status));
+            assert!(error.replay_is_safe());
+            assert!(
+                matches!(error.pre_delivery_retry(), Some(PreDeliveryRetry::SameAccountTransientRetry {
+                max_retries, initial_delay, max_delay,
+            }) if max_retries.get() == 3 && initial_delay == Duration::from_secs(8) && max_delay == Duration::from_secs(8))
+            );
+            assert!(!provider_openai::openai_failure_affects_account_score(
+                &error
+            ));
+            assert_eq!(
+                serde_json::from_str::<Value>(
+                    error.raw_upstream_error().expect("original error").as_str()
+                )
+                .expect("JSON"),
+                body
+            );
+            let response = error
+                .client_visible_upstream_response()
+                .expect("client response");
+            assert_eq!(response.status(), status);
+            assert_eq!(response.body().as_ref(), body.to_string().as_bytes());
+            let account = store.account(account_id).expect("account");
+            assert_eq!(account.quota().access(), QuotaAccessState::Unknown);
+            assert_eq!(account.credential_state(), CredentialState::Ready);
+        }
+    }
+}
+
+#[tokio::test]
+async fn websocket_usage_limit_rejection_preserves_quota_state_for_account_rotation() {
+    let store = Arc::new(MemoryAccountStore::default());
+    let account_id = "acct_provider_contract";
+    create_account(&store, account_id).await;
+    let server = MockServer::start().await;
+    Mock::given(method("GET"))
+        .and(path("/codex/responses"))
+        .respond_with(ResponseTemplate::new(429).insert_header("retry-after", "129600")
+            .set_body_json(json!({"error": {"type": "usage_limit_reached", "message": "limit reached", "resets_at": 1_900_000_000}})))
+        .expect(1).mount(&server).await;
+    let mut stream = provider_with_base_url(&store, server.uri())
+        .execute(
+            planned_request("openai", generate_operation()),
+            context("req_ws_quota", CancellationToken::new()),
+        )
+        .await
+        .expect("prepare stream");
+    let error = loop {
+        match stream.next().await {
+            Some(Ok(_)) => {}
+            Some(Err(error)) => break error,
+            None => panic!("expected quota rejection"),
+        }
+    };
+    assert_eq!(error.send_state(), UpstreamSendState::NotSent);
+    assert!(error.replay_is_safe());
+    assert_eq!(error.pre_delivery_retry(), None);
+    assert_eq!(error.retry_after(), Some(Duration::from_secs(129_600)));
+    assert_eq!(error.kind(), ProviderErrorKind::QuotaExhausted);
+    assert_eq!(
+        store.account(account_id).expect("account").quota().access(),
+        QuotaAccessState::Exhausted
+    );
+}
+
+#[tokio::test]
+async fn capacity_stream_rejection_only_retries_before_semantic_output_on_both_transports() {
+    for use_websocket in [false, true] {
+        for semantic_output in [false, true] {
+            let store = Arc::new(MemoryAccountStore::default());
+            create_account(&store, "acct_provider_contract").await;
+            let mut events = vec![
+                json!({"type": "response.created", "response": {"id": "resp_capacity", "model": "gpt-5.4"}}),
+            ];
+            if semantic_output {
+                events.push(json!({"type": "response.output_text.delta", "output_index": 0, "content_index": 0, "delta": "hello"}));
+            }
+            let original = json!({"type": "response.failed", "response": {"id": "resp_capacity", "error": {"code": "server_is_overloaded", "message": "Selected model is at capacity. Please try a different model."}}});
+            events.push(original.clone());
+            let (base_url, _http_server, websocket_server) = if use_websocket {
+                let listener = TcpListener::bind("127.0.0.1:0").await.expect("listener");
+                let base_url = format!("http://{}", listener.local_addr().expect("address"));
+                let server = tokio::spawn(async move {
+                    let (socket, _) = listener.accept().await.expect("accept WebSocket");
+                    let mut websocket = accept_codex_test_websocket(socket).await;
+                    websocket.next().await.expect("request").expect("frame");
+                    for event in events {
+                        websocket
+                            .send(Message::Text(event.to_string().into()))
+                            .await
+                            .expect("response");
+                    }
+                });
+                (base_url, None, Some(server))
+            } else {
+                let server = MockServer::start().await;
+                let frames = events
+                    .iter()
+                    .map(|event| {
+                        format!(
+                            "event: {}\ndata: {event}\n\n",
+                            event["type"].as_str().expect("type")
+                        )
+                    })
+                    .collect::<String>();
+                Mock::given(method("POST"))
+                    .and(path("/codex/responses"))
+                    .respond_with(
+                        ResponseTemplate::new(200).set_body_raw(frames, "text/event-stream"),
+                    )
+                    .expect(1)
+                    .mount(&server)
+                    .await;
+                (server.uri(), Some(server), None)
+            };
+            let operation = if use_websocket {
+                generate_operation()
+            } else {
+                http_generate_operation()
+            };
+            let mut stream = provider_with_base_url(&store, base_url)
+                .execute(
+                    planned_request("openai", operation),
+                    context("req_capacity_stream", CancellationToken::new()),
+                )
+                .await
+                .expect("prepare stream");
+            let mut client_events = Vec::new();
+            let mut error = loop {
+                match stream.next().await {
+                    Some(Ok(event)) => {
+                        if event.has_client_event() {
+                            client_events.push(event);
+                        }
+                    }
+                    Some(Err(error)) => break error,
+                    None => panic!("expected capacity failure"),
+                }
+            };
+            assert_eq!(error.replay_is_safe(), !semantic_output);
+            assert_eq!(error.kind(), ProviderErrorKind::UpstreamCapacityUnavailable);
+            assert_eq!(error.pre_delivery_retry().is_some(), !semantic_output);
+            assert!(!provider_openai::openai_failure_affects_account_score(
+                &error
+            ));
+            assert_eq!(
+                serde_json::from_str::<Value>(
+                    error.raw_upstream_error().expect("raw error").as_str()
+                )
+                .expect("JSON"),
+                original
+            );
+            if !semantic_output {
+                assert!(client_events.is_empty());
+            }
+            client_events.extend(error.take_atomic_client_events());
+            let wire = client_events
+                .last()
+                .and_then(|event| event.wire_event())
+                .expect("failure wire");
+            assert_eq!(wire.data(), &original);
+            if let Some(server) = websocket_server {
+                server.await.expect("server");
+            }
+        }
+    }
+}
+
 #[tokio::test]
 async fn ordinary_request_should_hold_created_until_later_failure_can_rotate() {
    let store = Arc::new(MemoryAccountStore::default());
@@ -6113,6 +6681,56 @@ fn request_observation_reads_openai_metadata_without_changing_the_operation() {
    assert!(matches!(operation, Operation::Generate(_)));
 }

+#[test]
+fn request_observation_classifies_prewarm_from_generate_without_rewriting_the_payload() {
+    let store = Arc::new(MemoryAccountStore::default());
+    let provider = provider(&store);
+    let client_key_id = ClientApiKeyId::new("key_prewarm_observation").expect("client key");
+    for (generate, request_kind, expected_kind) in [
+        (Some(json!(false)), None, Some("prewarm")),
+        (Some(json!(false)), Some("prewarm"), Some("prewarm")),
+        (Some(json!(false)), Some("review"), Some("prewarm")),
+        (Some(json!(true)), Some("prewarm"), None),
+        (None, Some("prewarm"), None),
+        (Some(json!(null)), Some("prewarm"), None),
+        (Some(json!("false")), Some("prewarm"), None),
+        (None, Some("review"), Some("review")),
+        (None, None, None),
+    ] {
+        let mut body = Map::from_iter([
+            ("model".to_owned(), json!("gpt-test")),
+            ("input".to_owned(), json!("hello")),
+            ("store".to_owned(), json!(false)),
+        ]);
+        if let Some(generate) = generate {
+            body.insert("generate".to_owned(), generate);
+        }
+        let payload = ProtocolPayload::json_object("openai", body.clone())
+            .expect("OpenAI payload")
+            .with_context(Map::from_iter([(
+                "turn_metadata".to_owned(),
+                Value::String(
+                    json!({"request_kind": request_kind, "subagent_kind": "worker"}).to_string(),
+                ),
+            )]));
+        let operation = Operation::Generate(GenerateRequest::from_protocol_payload(payload));
+
+        let observation = provider.request_observation(&operation, &client_key_id);
+
+        assert_eq!(
+            observation.request_kind.as_deref(),
+            expected_kind,
+            "generate={:?}, request_kind={request_kind:?}",
+            body.get("generate"),
+        );
+        assert_eq!(observation.subagent_kind.as_deref(), Some("worker"));
+        let Operation::Generate(generation) = operation else {
+            unreachable!();
+        };
+        assert_eq!(generation.protocol_payload().body(), &body);
+    }
+}
+
 #[test]
 fn endpoint_observation_should_read_models_without_rewriting_or_requiring_a_catalog() {
    let store = Arc::new(MemoryAccountStore::default());
@@ -6257,6 +6875,41 @@ async fn provider_compiles_catalog_presentation_for_codex_models() {
    assert!(presentation.image_detail_original());
    assert!(presentation.verbosity());
    assert!(!presentation.hidden());
+    assert_eq!(
+        presentation.service_tiers(),
+        [ModelServiceTier::new(
+            "priority",
+            "Fast",
+            "Priority processing."
+        )]
+    );
+
+    let scope = FrozenAccountScope::new(
+        Arc::new(RuntimeAccountDirectory::new(BTreeMap::from([(
+            ProviderAccountId::new("acct_presentation").expect("account"),
+            RuntimeAccount::new(
+                ProviderKind::new("openai").expect("provider"),
+                BTreeSet::new(),
+            ),
+        )]))),
+        ClientRoutingScope::all_accounts(),
+    );
+    let native = provider
+        .query_client_model_catalog(&scope, "codex", "0.154.0")
+        .await
+        .expect("native catalog")
+        .expect("supported");
+    let original: Value = serde_json::from_slice(OFFICIAL_FIXTURE).expect("fixture");
+    let document: Value = serde_json::from_slice(native[0].payload.body()).expect("document");
+    assert_eq!(document, original["models"][0]);
+    assert!(
+        server
+            .received_requests()
+            .await
+            .expect("requests")
+            .iter()
+            .any(|request| request.url.query() == Some("client_version=0.154.0"))
+    );
 }

 #[tokio::test]
@@ -45,17 +45,21 @@ fn deliver_error_with_openai_feedback(
 }

 #[test]
-fn account_score_failure_filter_should_include_server_overload_as_a_regular_reason() {
-    let error = sent_error(ProviderErrorKind::Unavailable, Some("server_is_overloaded"));
-
-    assert!(openai_failure_affects_account_score(&error));
+fn account_score_failure_filter_should_exclude_request_scoped_capacity_errors() {
+    for code in ["server_is_overloaded", "slow_down", "server_error"] {
+        let error = sent_error(ProviderErrorKind::Unavailable, Some(code))
+            .with_client_visible_upstream_error(ClientVisibleUpstreamError::new(
+                "Selected model is at capacity. Please try a different model.",
+                Some("server_error".to_owned()),
+                Some("server_error".to_owned()),
+            ));
+        assert!(!openai_failure_affects_account_score(&error));
+    }
 }

 #[test]
 fn account_score_failure_filter_should_accept_the_closed_reason_list() {
    for code in [
-        "server_is_overloaded",
-        "slow_down",
        "rate_limit_exceeded",
        "rate_limit_error",
        "server_error",
@@ -181,7 +185,7 @@ fn openai_feedback_should_not_amplify_repeated_client_configuration_errors() {
 }

 #[test]
-fn openai_feedback_should_score_server_overload_as_one_regular_failure() {
+fn openai_feedback_should_not_penalize_an_account_for_server_overload() {
    let feedback = Arc::new(AccountFeedbackStats::default());
    let provider = ProviderKind::new("openai").expect("provider");
    let account = ProviderAccountId::new("acct_overloaded").expect("account");
@@ -193,8 +197,5 @@ fn openai_feedback_should_score_server_overload_as_one_regular_failure() {
        sent_error(ProviderErrorKind::Unavailable, Some("server_is_overloaded")),
    );

-    assert_eq!(
-        feedback.scheduling_signals(&provider, &account).0,
-        Some(2_000)
-    );
+    assert_eq!(feedback.scheduling_signals(&provider, &account).0, None);
 }
@@ -219,7 +219,7 @@ fn decoder_should_emit_calculated_cost_for_complete_known_model_usage() {
 }

 #[test]
-fn decoder_should_prefer_response_service_tier_over_requested_tier_for_billing() {
+fn decoder_should_bill_requested_service_tier_despite_default_response() {
    let body = concat!(
        "event: response.created\n",
        "data: {\"type\":\"response.created\",\"response\":{\"id\":\"resp_fast_cost\",\"model\":\"gpt-5.4\",\"service_tier\":\"default\"}}\n\n",
@@ -236,12 +236,12 @@ fn decoder_should_prefer_response_service_tier_over_requested_tier_for_billing()
    assert!(canonical_facts(&events).into_iter().any(|event| matches!(
        event,
        GatewayEvent::CalculatedCost(cost)
-            if cost.total().amount().scaled() == 3_437_500
+            if cost.total().amount().scaled() == 6_875_000
    )));
 }

 #[test]
-fn decoder_should_use_response_service_tier_when_request_omits_it() {
+fn decoder_should_bill_standard_when_request_omits_service_tier() {
    let body = concat!(
        "event: response.created\n",
        "data: {\"type\":\"response.created\",\"response\":{\"id\":\"resp_response_tier_cost\",\"model\":\"gpt-5.4\",\"service_tier\":\"priority\"}}\n\n",
@@ -257,7 +257,7 @@ fn decoder_should_use_response_service_tier_when_request_omits_it() {
    assert!(canonical_facts(&events).into_iter().any(|event| matches!(
        event,
        GatewayEvent::CalculatedCost(cost)
-            if cost.total().amount().scaled() == 6_875_000
+            if cost.total().amount().scaled() == 3_437_500
    )));
 }

@@ -346,7 +346,7 @@ fn decoder_should_fail_closed_for_fixed_block_web_search_content() {
 }

 #[test]
-fn websocket_decoder_should_prefer_response_service_tier_over_requested_tier_for_billing() {
+fn websocket_decoder_should_bill_requested_service_tier_despite_default_response() {
    let created = websocket_event_to_sse_frame(
        r#"{"type":"response.created","response":{"id":"resp_ws_fast_cost","model":"gpt-5.4","service_tier":"default"}}"#,
    )
@@ -366,7 +366,7 @@ fn websocket_decoder_should_prefer_response_service_tier_over_requested_tier_for
    assert!(canonical_facts(&events).into_iter().any(|event| matches!(
        event,
        GatewayEvent::CalculatedCost(cost)
-            if cost.total().amount().scaled() == 3_437_500
+            if cost.total().amount().scaled() == 6_875_000
    )));
 }

@@ -719,6 +719,36 @@ fn decoder_should_classify_official_server_overloaded_failure() {
    assert_failed_event("server_is_overloaded", "server-secret-marker");
 }

+#[test]
+fn capacity_failure_preserves_original_wire_and_diagnostics() {
+    for path in ["error", "response.failed"] {
+        let data = if path == "error" {
+            r#"{"type":"error","error":{"code":"slow_down","message":"busy","extra":123456789012345678901234567890},"extension":true}"#
+        } else {
+            r#"{"type":"response.failed","response":{"id":"resp_capacity","error":{"code":"server_is_overloaded","message":"busy","extra":123456789012345678901234567890}},"extension":true}"#
+        };
+        let raw = format!("event: {path}\r\nid: upstream-id\r\nretry: 123\r\ndata: {data}\r\n\r\n");
+        let failure = CodexCanonicalDecoder::new("fallback")
+            .with_raw_sse_passthrough()
+            .push(raw.as_bytes())
+            .expect_err("capacity failure");
+        let wire = failure.events()[0].wire_event().expect("client wire");
+        let expected: serde_json::Value = serde_json::from_str(data).expect("original JSON");
+        assert_eq!(wire.data(), &expected);
+        assert_eq!(wire.sse_id(), Some("upstream-id"));
+        assert_eq!(wire.sse_retry(), Some(123));
+        assert_eq!(
+            wire.raw_sse_frame().map(AsRef::as_ref),
+            Some(raw.as_bytes())
+        );
+        let CodexCanonicalError::Upstream(upstream) = failure.error() else {
+            panic!("typed failure")
+        };
+        assert_eq!(upstream.raw_body(), data);
+        assert_ne!(upstream.upstream_code.as_deref(), Some("server_error"));
+    }
+}
+
 #[test]
 fn decoder_should_classify_official_cyber_policy_as_an_invalid_request() {
    assert_failed_event("cyber_policy", "policy-secret-marker");
@@ -975,14 +1005,19 @@ fn pricing_response_cost(
 }

 #[test]
-fn billing_should_follow_actual_tier_and_only_fall_back_when_it_is_absent() {
+fn billing_should_follow_requested_tier_independently_of_response_tier() {
    for (requested, actual, expected) in [
-        (Some("fast"), Some("default"), Some(1_000_000_000)),
-        (Some("auto"), Some("fast"), Some(2_000_000_000)),
-        (Some("default"), Some("flex"), Some(500_000_000)),
+        (Some("priority"), Some("default"), Some(2_000_000_000)),
+        (Some("fast"), Some("default"), Some(2_000_000_000)),
+        (Some("auto"), Some("fast"), None),
+        (Some("default"), Some("flex"), Some(1_000_000_000)),
+        (Some("flex"), Some("priority"), Some(500_000_000)),
        (Some("fast"), None, Some(2_000_000_000)),
        (Some("auto"), None, None),
-        (Some("default"), Some("future"), None),
+        (Some("default"), Some("future"), Some(1_000_000_000)),
+        (Some("future"), Some("default"), None),
+        (None, Some("priority"), Some(1_000_000_000)),
+        (None, None, Some(1_000_000_000)),
    ] {
        assert_eq!(
            pricing_response_cost(requested, actual, json!([]), &[]),
@@ -1002,8 +1037,8 @@ fn billing_should_add_file_and_web_search_fees_without_tier_markup() {
    for (tier, expected) in [("default", 1_150_000_000), ("fast", 2_150_000_000)] {
        assert_eq!(
            pricing_response_cost(
-                None,
                Some(tier),
+                Some("default"),
                output.clone(),
                &[json!({"type": "web_search"})]
            ),
@@ -1,15 +1,43 @@
 use chrono::{TimeZone, Utc};
+use gateway_core::routing::ModelServiceTier;
 use provider_openai::transport::profile::{CodexWireProfile, CodexWireProfileState};
 use provider_openai::transport::{
    CodexBackendClient, CodexCatalogCapabilityEvidence, CodexCatalogVisibility, CodexClientError,
    CodexModelCatalogError, CodexRequestContext, MAX_CODEX_MODEL_CATALOG_BYTES,
    build_reqwest_client, parse_codex_model_catalog,
 };
+use serde_json::{Value, json};
 use wiremock::matchers::{header, method, path, query_param};
 use wiremock::{Mock, MockServer, ResponseTemplate};

 const OFFICIAL_FIXTURE: &[u8] = include_bytes!("fixtures/official_models_snapshot.json");

+#[test]
+fn native_document_keeps_unknown_nested_fields_nulls_and_model_instructions() {
+    let original = json!({
+        "slug": "gpt-native", "display_name": "Native",
+        "base_instructions": "original model instructions\nwith line breaks",
+        "model_messages": {"future_instructions": {"template": "do not replace"}},
+        "future_field": [null, {"new": true}], "explicit_null": null,
+        "service_tiers": [{"id":"priority", "name":"Fast", "description":"1.5x speed", "future":true}]
+    });
+    let body = serde_json::to_vec(&json!({"models":[original]})).expect("body");
+    let snapshot = parse_codex_model_catalog(&body, None).expect("catalog");
+    let model = &snapshot.models()[0];
+    let preserved: Value = serde_json::from_slice(model.document().body()).expect("document");
+    assert_eq!(preserved, original);
+    assert!(!format!("{model:?}").contains("original model instructions"));
+    assert!(!format!("{model:?}").contains("future_instructions"));
+    let mut changed = original;
+    changed["model_messages"]["future_instructions"]["template"] = json!("new content");
+    let changed = parse_codex_model_catalog(
+        &serde_json::to_vec(&json!({"models":[changed]})).expect("body"),
+        None,
+    )
+    .expect("catalog");
+    assert_ne!(snapshot.models(), changed.models());
+}
+
 #[test]
 fn official_fixture_should_produce_safe_full_snapshot() {
    let snapshot = parse_codex_model_catalog(OFFICIAL_FIXTURE, Some("W/\"codex-v1\""))
@@ -65,7 +93,7 @@ fn official_fixture_should_produce_safe_full_snapshot() {
 }

 #[test]
-fn non_whitelisted_wire_fields_should_not_survive_normalization() {
+fn raw_instructions_and_unknown_fields_should_not_appear_in_snapshot_debug() {
    let snapshot =
        parse_codex_model_catalog(OFFICIAL_FIXTURE, None).expect("official fixture should parse");
    let debug = format!("{snapshot:?}");
@@ -77,6 +105,91 @@ fn non_whitelisted_wire_fields_should_not_survive_normalization() {
    );
 }

+#[test]
+fn service_tiers_should_preserve_declared_ids_names_and_descriptions() {
+    let body = json!({"models": [{
+        "slug": "gpt-future",
+        "display_name": "Future",
+        "service_tiers": [
+            {"id": "priority", "name": "Fast", "description": "Priority processing."},
+            {"id": "deferred", "name": "Economy", "description": ""}
+        ]
+    }]});
+    let snapshot = parse_codex_model_catalog(&serde_json::to_vec(&body).expect("JSON"), None)
+        .expect("declared service tiers");
+
+    assert_eq!(
+        snapshot.models()[0].metadata().service_tiers(),
+        [
+            ModelServiceTier::new("priority", "Fast", "Priority processing."),
+            ModelServiceTier::new("deferred", "Economy", ""),
+        ]
+    );
+}
+
+#[test]
+fn missing_or_empty_service_tiers_should_not_infer_fast_from_legacy_metadata() {
+    for service_tiers in [None, Some(json!([]))] {
+        let mut model = json!({
+            "slug": "gpt-5.4",
+            "display_name": "GPT-5.4",
+            "additional_speed_tiers": ["fast"]
+        });
+        if let Some(service_tiers) = service_tiers {
+            model["service_tiers"] = service_tiers;
+        }
+        let body = json!({"models": [model]});
+        let snapshot = parse_codex_model_catalog(&serde_json::to_vec(&body).expect("JSON"), None)
+            .expect("optional service tiers");
+
+        assert!(snapshot.models()[0].metadata().service_tiers().is_empty());
+    }
+}
+
+#[test]
+fn invalid_service_tier_metadata_should_fail_the_entire_snapshot() {
+    for (field, value) in [
+        ("id", String::new()),
+        ("id", "p".repeat(65)),
+        ("name", " ".to_owned()),
+        ("name", "f".repeat(257)),
+        ("name", "Fast\u{1b}".to_owned()),
+        ("description", "d".repeat(4097)),
+        ("description", "unsafe\u{0}".to_owned()),
+    ] {
+        let mut tier = json!({"id": "priority", "name": "Fast", "description": "Priority."});
+        tier[field] = Value::String(value);
+        let body = json!({"models": [{
+            "slug": "gpt-5.4", "display_name": "GPT-5.4", "service_tiers": [tier]
+        }]});
+
+        assert_eq!(
+            parse_codex_model_catalog(&serde_json::to_vec(&body).expect("JSON"), None),
+            Err(CodexModelCatalogError::InvalidMetadata),
+            "invalid {field}"
+        );
+    }
+}
+
+#[test]
+fn malformed_service_tiers_should_fail_the_official_wire_contract() {
+    for service_tiers in [
+        Value::Null,
+        json!("fast"),
+        json!([{"id": "priority", "name": "Fast"}]),
+        json!([{"id": 1, "name": "Fast", "description": "Priority."}]),
+    ] {
+        let body = json!({"models": [{
+            "slug": "gpt-5.4", "display_name": "GPT-5.4", "service_tiers": service_tiers
+        }]});
+
+        assert_eq!(
+            parse_codex_model_catalog(&serde_json::to_vec(&body).expect("JSON"), None),
+            Err(CodexModelCatalogError::InvalidWire)
+        );
+    }
+}
+
 #[test]
 fn invalid_etag_should_fail_the_entire_snapshot() {
    let result = parse_codex_model_catalog(OFFICIAL_FIXTURE, Some("raw-unquoted-etag"));
@@ -241,7 +354,7 @@ async fn fetch_should_send_official_catalog_headers_and_query() {
        profile(),
    );
    let snapshot = client
-        .fetch_models_with_context(context())
+        .fetch_models_with_context(context(), None)
        .await
        .expect("fetch strict snapshot");

@@ -285,7 +398,7 @@ async fn fetch_should_reject_streamed_body_over_hard_limit() {
        profile(),
    );

-    let result = client.fetch_models_with_context(context()).await;
+    let result = client.fetch_models_with_context(context(), None).await;

    assert!(matches!(
        result,
@@ -306,6 +419,7 @@ fn profile() -> CodexWireProfileState {
        arch: "x86_64".to_owned(),
        terminal: "xterm".to_owned(),
        residency: None,
+        location: Default::default(),
        verified_at: Utc
            .with_ymd_and_hms(2026, 7, 18, 0, 0, 0)
            .single()
@@ -20,6 +20,69 @@ fn classify(status: u16, body: &str) -> CodexFailureCategory {
    .category()
 }

+#[test]
+fn capacity_rejections_are_request_scoped_across_http_statuses() {
+    for status in [400, 429, 503] {
+        for body in [
+            r#"{"error":{"code":"server_is_overloaded","message":"busy"}}"#,
+            r#"{"error":{"code":"slow_down","type":"server_error"}}"#,
+            r#"{"error":{"type":"server_is_overloaded"}}"#,
+            r#"{"error":{"message":"slow_down"}}"#,
+            r#"{"error":{"type":"invalid_request_error","message":"Selected model is at capacity. Please try a different model."}}"#,
+        ] {
+            assert_eq!(
+                classify(status, body),
+                CodexFailureCategory::CapacityUnavailable
+            );
+            for (phase, safe) in [
+                (CodexUpstreamSendPhase::BeforePayload, true),
+                (CodexUpstreamSendPhase::AfterPayload, true),
+                (CodexUpstreamSendPhase::Ambiguous, false),
+            ] {
+                let failure = CodexUpstreamFailure::from_response(
+                    reqwest::StatusCode::from_u16(status).expect("status"),
+                    body,
+                    Some(129_600),
+                    &CodexUpstreamDiagnostics::default(),
+                    None,
+                    &[],
+                    &[],
+                    phase,
+                );
+                assert_eq!(failure.replay_is_safe(), safe);
+            }
+        }
+    }
+}
+
+#[test]
+fn capacity_words_do_not_override_quota_policy_or_arbitrary_body_fields() {
+    for (status, body, expected) in [
+        (
+            429,
+            r#"{"error":{"type":"usage_limit_reached","message":"Selected model is at capacity"}}"#,
+            CodexFailureCategory::UsageLimitExhausted,
+        ),
+        (
+            400,
+            r#"{"error":{"code":"cyber_policy","message":"Selected model is at capacity"}}"#,
+            CodexFailureCategory::InvalidRequest,
+        ),
+        (
+            400,
+            r#"{"error":{"message":"bad input"},"input":"Selected model is at capacity"}"#,
+            CodexFailureCategory::InvalidRequest,
+        ),
+        (
+            429,
+            r#"{"error":{"code":"rate_limit_exceeded","message":"retry later"}}"#,
+            CodexFailureCategory::RateLimited,
+        ),
+    ] {
+        assert_eq!(classify(status, body), expected);
+    }
+}
+
 fn trace_header<'a>(diagnostics: &'a CodexUpstreamDiagnostics, name: &str) -> Option<&'a str> {
    diagnostics
        .trace_headers
@@ -13,6 +13,13 @@
      "supports_image_detail_original": true,
      "supports_search_tool": true,
      "support_verbosity": true,
+      "service_tiers": [
+        {
+          "id": "priority",
+          "name": "Fast",
+          "description": "Priority processing."
+        }
+      ],
      "supported_reasoning_levels": [
        {
          "effort": "low",
--- a/Show More
+++ b/Show More