orca/.github/workflows/pr.yml

name: PR Checks

on:
  pull_request:
    types:
      - opened
      - synchronize
      - reopened
      - ready_for_review

concurrency:
  group: pr-checks-${{ github.event.pull_request.number }}
  cancel-in-progress: true

permissions:
  contents: read

jobs:
  # Why: a README/docs-only PR used to start the full matrix (32 test shards,
  # two package jobs, typecheck, git compat, xterm, shell contracts). Path
  # filters on `on.pull_request` would drop the `verify` check entirely; this
  # detector keeps verify as the required aggregate and skips the expensive jobs.
  code_paths:
    name: detect code-relevant changes
    runs-on: ubuntu-latest
    outputs:
      should_run: ${{ steps.filter.outputs.should_run }}
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          # Why blob:none: full history is needed for the merge-base diff, but historical
          # file contents are not. Blobs are ~89% of this repo's pack, and Git fetches the
          # few this job actually reads on demand.
          fetch-depth: 0
          filter: blob:none
          persist-credentials: false

      - name: Classify changed paths
        id: filter
        env:
          BASE_SHA: ${{ github.event.pull_request.base.sha }}
          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        run: |
          set -euo pipefail
          # Why --no-renames: name-only rename detection can report only the destination.
          # A code file moved under docs/ must still expose its code-side deletion.
          CHANGED="$(git diff --name-only --no-renames --diff-filter=ACDMR --merge-base "$BASE_SHA" "$HEAD_SHA")"
          echo "Changed paths:"
          printf '%s\n' "$CHANGED"
          SHOULD_RUN="$(printf '%s\n' "$CHANGED" | node config/scripts/pr-code-change-scope.mjs)"
          echo "should_run=$SHOULD_RUN" >> "$GITHUB_OUTPUT"
          echo "should_run=$SHOULD_RUN"

  static_analysis:
    name: static analysis
    needs: [code_paths]
    if: needs.code_paths.outputs.should_run == 'true'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          # Why blob:none: full history is needed for the merge-base diff, but historical
          # file contents are not. Blobs are ~89% of this repo's pack, and Git fetches the
          # few this job actually reads on demand.
          fetch-depth: 0
          filter: blob:none
          persist-credentials: false

      - uses: ./.github/actions/install-node-dependencies

      - name: Lint
        run: pnpm exec oxlint --format github

      - name: Enforce focused code-quality plugins
        run: pnpm run audit:code-quality:native

      - name: Enforce type-aware code-quality baseline
        run: pnpm run audit:code-quality:type-aware

      - name: Enforce changed-code quality
        run: pnpm run check:code-quality:changed -- "${{ github.event.pull_request.base.sha }}"

      - name: Enforce React Doctor on changed lines
        run: pnpm run check:react-doctor:changed -- "${{ github.event.pull_request.base.sha }}"

      - name: Check Zustand selector fan-out budget
        run: pnpm run check:zustand-selector-fanout

      - name: Check reliability gate manifest
        run: pnpm run check:reliability-gates

      - name: Check VM runtime rollback compatibility
        env:
          BASE_SHA: ${{ github.event.pull_request.base.sha }}
          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        run: |
          if git diff --quiet --merge-base "$BASE_SHA" "$HEAD_SHA" -- \
            src/shared/ephemeral-vm-runtime-store.ts \
            src/shared/ephemeral-vm-runtime-feature-store.ts \
            src/shared/ephemeral-vm-runtime-rollback-projection.ts \
            src/shared/ephemeral-vm-runtimes.ts \
            src/shared/ephemeral-vm-recipes.ts \
            src/shared/orca-yaml-hook-types.ts \
            src/main/ephemeral-vm-runtime-service.ts \
            src/main/ephemeral-vm-runtime-provisioning-persistence.ts \
            src/main/ephemeral-vm-failed-start-cleanup.ts; then
            echo "VM runtime persistence is unchanged."
            exit 0
          fi
          node config/scripts/run-ephemeral-vm-runtime-store-rollback-repro.mjs \
            config/scripts/ephemeral-vm-runtime-store-cross-version.test.ts

      - name: Enforce max-lines ratchet
        run: pnpm run check:max-lines-ratchet

      - name: Verify bundled skill guides
        run: pnpm run verify:bundled-skill-guides

      - name: Verify skill freshness manifest
        run: pnpm run verify:skill-bundle-manifest

      - name: Verify localization catalog
        run: pnpm run verify:localization-catalog

      # Why: extraction writes sorted evidence to an isolated temporary path,
      # so feature PRs need one normalized AST pass rather than a three-OS matrix.
      - name: Verify localization extraction
        run: pnpm run verify:localization-extraction

      - name: Verify localization coverage
        run: pnpm run verify:localization-coverage

      # Why: project-owned type declarations must live in .ts so tsc
      # actually checks them. TypeScript's skipLibCheck: true (inherited
      # from @electron-toolkit/tsconfig) silently widens unresolved names
      # in .d.ts to `any`, which is how #1186 shipped a broken IPC signature
      # past typecheck. See .github/CONTRIBUTING.md#type-declarations-prefer-ts-over-dts.
      - name: Guard against project-owned .d.ts in preload/shared
        run: |
          matches=$(find src/preload src/shared -name '*.d.ts' 2>/dev/null || true)
          if [ -n "$matches" ]; then
            echo "::error::Project-owned .d.ts files are not allowed under src/preload or src/shared."
            echo "Move type declarations into a .ts file so skipLibCheck does not hide errors."
            echo "See .github/CONTRIBUTING.md#type-declarations-prefer-ts-over-dts."
            echo "Found:"
            echo "$matches"
            exit 1
          fi

      - name: Check feature wall asset budget
        run: pnpm check:feature-wall-assets

      - name: Verify macOS entitlements
        run: pnpm verify:macos-entitlements

  root_directory_guard:
    name: root directory guard
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          # Why blob:none: full history is needed for the merge-base diff, but historical
          # file contents are not. Blobs are ~89% of this repo's pack, and Git fetches the
          # few this job actually reads on demand.
          fetch-depth: 0
          filter: blob:none
          persist-credentials: false

      - name: Reject new root-level files and folders
        env:
          BASE_SHA: ${{ github.event.pull_request.base.sha }}
          HEAD_SHA: ${{ github.event.pull_request.head.sha }}
        run: node .github/scripts/check-root-directory-entries.mjs "$BASE_SHA" "$HEAD_SHA"

  typecheck:
    needs: [code_paths]
    if: needs.code_paths.outputs.should_run == 'true'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - uses: ./.github/actions/install-node-dependencies

      # Why: every project is `composite`, so tsc already writes a .tsbuildinfo that lets
      # the next run skip unchanged files. CI threw it away each time. The key is per-SHA
      # so each run saves its own; restore-keys inherit the newest prior graph to diff against.
      - name: Cache TypeScript incremental state
        uses: actions/cache@v5
        with:
          path: config/*.tsbuildinfo
          key: tsbuildinfo-${{ runner.os }}-${{ hashFiles('pnpm-lock.yaml', 'config/tsconfig*.json') }}-${{ github.sha }}
          restore-keys: |
            tsbuildinfo-${{ runner.os }}-${{ hashFiles('pnpm-lock.yaml', 'config/tsconfig*.json') }}-
            tsbuildinfo-${{ runner.os }}-

      - run: pnpm run typecheck

  git_compatibility:
    name: Git compatibility
    needs: [code_paths]
    if: needs.code_paths.outputs.should_run == 'true'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - uses: ./.github/actions/install-node-dependencies

      # Why: the 2.25.5 lane is a source build of a pinned tarball, so it produced the
      # same binary on every PR for minutes of runner time. The key carries the version
      # because that is the only input; the sha256 assertion below still guards the
      # tarball on the miss path that actually builds.
      - name: Cache baseline Git build
        uses: actions/cache@v5
        with:
          path: ~/.cache/orca-git-compat/git-2.25.5
          key: git-compat-baseline-${{ runner.os }}-${{ runner.arch }}-2.25.5

      - name: Verify Git binary compatibility matrix
        run: |
          pids=()
          (
            archive="$RUNNER_TEMP/git-2.25.5.tar.gz"
            source="$HOME/.cache/orca-git-compat/git-2.25.5"
            if [ ! -x "$source/git" ]; then
              curl -fsSL https://www.kernel.org/pub/software/scm/git/git-2.25.5.tar.gz -o "$archive"
              echo "41662c52fc16fec4963bfc41075e71f8ead6b5e386797eb6f9a1111ff95a8ddf  $archive" \
                | sha256sum --check
              mkdir -p "$source"
              tar -xzf "$archive" -C "$source" --strip-components=1
              make -C "$source" -j"$(nproc)" \
                NO_GETTEXT=YesPlease NO_TCLTK=YesPlease NO_PYTHON=YesPlease git
              # Why: the linked binaries are what the next run needs; the objects that
              # produced them are most of the tree and would bloat the cache entry.
              find "$source" -name '*.o' -delete
            fi
            ORCA_GIT_COMPAT_BINARY="$source/git" ORCA_GIT_COMPAT_VERSION="2.25.5" \
              pnpm exec vitest run --config config/vitest.config.ts \
              src/shared/git-binary-compatibility.test.ts
          ) &
          pids+=("$!")

          for spec in \
            "alpine/git:edge-2.38.1|2.38.1" \
            "alpine/git:v2.49.1|2.49.1"; do
            (
              image="${spec%%|*}"
              version="${spec#*|}"
              ORCA_GIT_COMPAT_IMAGE="$image" ORCA_GIT_COMPAT_VERSION="$version" \
                pnpm exec vitest run --config config/vitest.config.ts \
                src/shared/git-binary-compatibility.test.ts
            ) &
            pids+=("$!")
          done

          status=0
          for pid in "${pids[@]}"; do
            wait "$pid" || status=1
          done
          exit "$status"

  xterm_patch_sync:
    name: xterm patch sync
    needs: [code_paths]
    if: needs.code_paths.outputs.should_run == 'true'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - uses: ./.github/actions/install-node-dependencies

      # Why: the check rebuilds xterm.js from a pinned upstream commit. Caching the
      # npm metadata and the shallow clone turns a ~4 min cold run into well under a
      # minute; the key is the manifest, so a commit or toolchain bump invalidates it.
      - name: Restore upstream xterm build inputs
        uses: actions/cache@v5
        with:
          path: |
            ~/.npm
            ${{ runner.temp }}/xterm-patch-build/upstream/.git
          key: xterm-upstream-${{ hashFiles('config/patches/xterm-upstream.json') }}

      - name: Verify xterm patches match the pinned upstream build
        env:
          WORK_DIR: ${{ runner.temp }}/xterm-patch-build
        run: node config/scripts/regenerate-xterm-patches.mjs --check --work-dir="$WORK_DIR"

  shell_contracts:
    name: shell contracts
    needs: [code_paths]
    if: needs.code_paths.outputs.should_run == 'true'
    runs-on: ubuntu-latest
    # Why: this job's cost is almost entirely package download, and a stalled mirror has
    # no wall-clock bound of its own. A successful run finishes in ~4.5 minutes, so this
    # is generous; it exists so a wedge fails the job instead of holding the whole run
    # open for the 6h GitHub default — which also blocks `gh run rerun --failed`.
    timeout-minutes: 15
    env:
      # Why: the suites below gate their live fish tests on the binary, which is
      # right on a developer machine and wrong here — this job is a required check
      # and its fish lane is the only end-to-end guard for #9993, so a skip would
      # report green with nothing exercised. Turns those skips into failures.
      ORCA_REQUIRE_FISH: '1'

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      # Why fish: shell-ready.test.ts gates its live fish test on the binary being
      # present, so without this the fish barrier is only covered by config-shape
      # assertions and never actually exercised.
      # Why release-4: DECSET 2031 arming lives in the fish 4.0 Rust tty_handoff, and
      # fish-color-scheme-child-stdin.node-pty.test.ts (#9993) needs it. Noble ships
      # 3.7, so the PPA is what makes that lane real.
      - name: Install zsh and fish
        run: |
          # Why the update/PPA/fish steps are tolerant: a repo the runner image already
          # ships can lack a Release file for this suite, and a failed add-apt-repository
          # still leaves its list entry behind — either makes `apt-get update` exit
          # non-zero and would red this required check over something unrelated to the
          # PR. Every fish outcome is judged by the version gate below instead, so only
          # the zsh install (which has no such gate) stays fatal here.
          # Why retry only here: adding the PPA is the network-flaky step, and the
          # version gate below is fatal, so a transient Launchpad blip would
          # otherwise red a required check on PRs unrelated to shells.
          # Why -n: add-apt-repository refreshes every configured repo on its own. With
          # an update on each side of it this step refreshed them three times over, and
          # the Azure archive mirror alone costs ~15-30s a pass. The PPA index is the
          # only thing the repo list gains here, and the single update below fetches it.
          # Why bound acquisition: measured on a *passing* run, this step spent 40s
          # fetching 11.4 MB of index and then 2m17s fetching 8.9 MB of packages at
          # 65 kB/s — it is dominated by download throughput, not by work. apt applies
          # no wall-clock bound to a stalled mirror, so a slow Launchpad or archive
          # host wedges the step for tens of minutes. This job is a required check, so
          # a wedge holds the entire run open and blocks `gh run rerun --failed`.
          # Bounded timeouts plus retries turn an unbounded hang into a fast, legible
          # failure. Set in apt.conf.d rather than on each command line so the two
          # invocations below stay exactly as pr-workflow-parallelism.test.mjs parses
          # them. Retries are 1, not 3: a first attempt at these bounds already multiplied
          # 30s x 3 retries across every index file into a ~15 minute stall on a dead
          # mirror, which is worse than failing once and moving on.
          sudo tee /etc/apt/apt.conf.d/99-orca-shell-contracts >/dev/null <<'APTCONF'
          Acquire::http::Timeout "15";
          Acquire::https::Timeout "15";
          Acquire::Retries "1";
          APTCONF
          for attempt in 1 2 3; do
            sudo add-apt-repository -y -n ppa:fish-shell/release-4 && break
            echo "add-apt-repository attempt ${attempt} failed; retrying" >&2
            sudo add-apt-repository -y -n -r ppa:fish-shell/release-4 || true
            sleep 5
          done
          # Why a wall-clock bound on each command: apt's Acquire timeouts are per-connection,
          # so a dead mirror costs timeout x retries x every index file. Measured: the archive
          # mirror stalled with zero bytes and the step burned 14m26s before the job bound
          # killed it. `timeout` is the only thing that bounds the command as a whole.
          # The update is already tolerant by design (see above), so bounding it just caps
          # what a dead mirror can cost before the install runs against whatever index exists.
          timeout 120 sudo apt-get update || true
          # Why both shells on one line: pr-workflow-parallelism.test.mjs parses only the
          # first install command in this step to prove the lane really installs them.
          timeout 300 sudo apt-get install -y zsh fish

      # Separate from the install so the failure names the contract, not an apt error.
      # ORCA_REQUIRE_FISH re-checks this at test time; this step just fails in seconds
      # instead of after a full dependency install.
      - name: Require fish 4+
        run: |
          version="$(fish --version 2>/dev/null || true)"
          major="${version##*version }"
          major="${major%%.*}"
          case "$major" in '' | *[!0-9]*) major=0 ;; esac
          echo "${version:-<fish not installed>}"
          if [ "$major" -lt 4 ]; then
            echo "::error::shell contracts needs fish 4+ (DECSET 2031 arming, #9993) but got '${version:-none}'. Fix the ppa:fish-shell/release-4 install rather than letting the fish lane skip." >&2
            exit 1
          fi

      - uses: ./.github/actions/install-node-dependencies
        with:
          native-runtime: node

      - name: Test real shell contracts
        run: |
          pnpm exec vitest run --config config/vitest.config.ts --maxWorkers=1 \
            src/main/daemon/repro-13767-shell-ready-marker-lost-to-exec.test.ts \
            src/main/daemon/shell-ready.test.ts \
            src/main/daemon/node-pty-fd-leak.test.ts \
            src/main/providers/local-pty-shell-ready-zsh-launch-environment.test.ts \
            src/main/providers/__tests__/shell-ready-framework-example.test.ts \
            src/main/pty/codex-shell-launch-preflight.test.ts \
            src/main/pty/omp-shell-wrapper-alias-safety.test.ts \
            src/main/pty/omp-shell-wrapper.node-pty.test.ts \
            src/main/shell-startup-feature-channel.test.ts \
            src/main/terminal-history-fish-session.node-pty.test.ts \
            src/main/zsh-scoped-histfile.live-shell.test.ts \
            src/main/zsh-startup-hook-user-config-equivalence.live-shell.test.ts \
            src/main/zsh-wrapper-version-mismatch.live-shell.test.ts \
            src/renderer/src/components/terminal-pane/fish-color-scheme-child-stdin.node-pty.test.ts \
            src/shared/fish-query-reply-child-stdin.node-pty.test.ts \
            src/shared/startup-shell-portability.live-shell.test.ts \
            src/shared/posix-command-path-lookup.test.ts

  test:
    name: tests node ${{ matrix.node }} ${{ matrix.shard }}/${{ matrix.shard_total }}
    needs: [code_paths]
    if: needs.code_paths.outputs.should_run == 'true'
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        node: ['24', '26']
        shard: [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16]
        shard_total: [16]

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - uses: ./.github/actions/install-node-dependencies
        with:
          native-runtime: node
          node-version: ${{ matrix.node }}

      - name: Install Electron package binary for tests
        run: node config/scripts/install-electron-package-binary.mjs

      - name: Test shard
        run: |
          pnpm exec vitest run --config config/vitest.config.ts \
            --exclude=src/main/daemon/repro-13767-shell-ready-marker-lost-to-exec.test.ts \
            --exclude=src/main/daemon/shell-ready.test.ts \
            --exclude=src/main/daemon/node-pty-fd-leak.test.ts \
            --exclude=src/main/providers/local-pty-shell-ready-zsh-launch-environment.test.ts \
            --exclude=src/main/providers/__tests__/shell-ready-framework-example.test.ts \
            --exclude=src/main/pty/omp-shell-wrapper.node-pty.test.ts \
            --exclude=src/main/shell-startup-feature-channel.test.ts \
            --exclude=src/main/terminal-history-fish-session.node-pty.test.ts \
            --exclude=src/main/zsh-scoped-histfile.live-shell.test.ts \
            --exclude=src/main/zsh-startup-hook-user-config-equivalence.live-shell.test.ts \
            --exclude=src/main/zsh-wrapper-version-mismatch.live-shell.test.ts \
            --exclude=src/renderer/src/components/terminal-pane/fish-color-scheme-child-stdin.node-pty.test.ts \
            --exclude=src/shared/fish-query-reply-child-stdin.node-pty.test.ts \
            --exclude=src/shared/startup-shell-portability.live-shell.test.ts \
            --exclude=src/shared/posix-command-path-lookup.test.ts \
            --exclude=tests/e2e/cross-version-wire/** \
            --shard=${{ matrix.shard }}/${{ matrix.shard_total }}

  cross-version-wire:
    name: cross-version wire compatibility
    needs: [code_paths]
    if: needs.code_paths.outputs.should_run == 'true'
    runs-on: ubuntu-latest

    steps:
      # Why fetch-depth 0: the harness extracts the newest release tag to skew
      # current code against it. The default shallow clone has no tags, which is
      # why this cannot ride along in the sharded `test` job.
      - name: Checkout
        uses: actions/checkout@v6
        with:
          # Why blob:none: full history is needed for the merge-base diff, but historical
          # file contents are not. Blobs are ~89% of this repo's pack, and Git fetches the
          # few this job actually reads on demand.
          fetch-depth: 0
          filter: blob:none
          persist-credentials: false

      - uses: ./.github/actions/install-node-dependencies
        with:
          native-runtime: node

      # A path filter that matches nothing exits 1 ("No test files found"), so this
      # lane cannot report success while running zero tests.
      - name: Old/new client and server terminal journey
        run: pnpm exec vitest run --config config/vitest.config.ts tests/e2e/cross-version-wire/cross-version-terminal-wire.unit.test.ts

  managed_hook_node18:
    name: managed hooks on Node 18
    needs: [code_paths]
    if: needs.code_paths.outputs.should_run == 'true'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - uses: ./.github/actions/install-node-dependencies

      - name: Build relay companions
        run: pnpm run build:relay

      - name: Setup Node 18 runtime
        uses: actions/setup-node@v6
        with:
          node-version: '18'

      - name: Smoke managed-hook companions
        run: node config/scripts/smoke-managed-hook-runtime-node18.mjs

  package:
    name: package
    needs: [code_paths]
    if: needs.code_paths.outputs.should_run == 'true'
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: Cache electron-builder downloads
        uses: actions/cache@v5
        with:
          path: |
            ~/.cache/electron
            ~/.cache/electron-builder
          key: electron-builder-linux-${{ hashFiles('pnpm-lock.yaml') }}
          restore-keys: |
            electron-builder-linux-

      - uses: ./.github/actions/install-node-dependencies
        with:
          native-runtime: electron

      - name: Build package inputs
        run: |
          status=0
          pnpm run build:cli || status=1

          scripts=(build:relay build:electron-vite:parallel)
          pids=()
          for script in "${scripts[@]}"; do
            pnpm run "$script" &
            pids+=("$!")
          done

          for pid in "${pids[@]}"; do
            wait "$pid" || status=1
          done
          exit "$status"

      - name: Project web client from renderer build
        run: pnpm run build:web-from-renderer

      - name: Build native components
        run: pnpm run build:native

      - name: Package unpacked app
        env:
          ORCA_REUSE_PREPARED_NATIVE_RUNTIME: '1'
        run: pnpm exec electron-builder --config config/electron-builder.config.cjs --linux AppImage --x64 --publish never

      - name: Verify headless serve signal shutdown
        run: node config/scripts/run-headless-serve-shutdown-docker.mjs --appimage dist/orca-linux.AppImage

      - name: Smoke packaged CLI
        run: node config/scripts/smoke-packaged-cli.mjs --app-dir=dist/linux-unpacked

      - name: Smoke packaged hang watchdog worker
        run: xvfb-run --auto-servernum node config/scripts/smoke-packaged-hang-watchdog-worker.mjs --app-dir=dist/linux-unpacked

  package_windows:
    name: package (windows)
    needs: [code_paths]
    if: needs.code_paths.outputs.should_run == 'true'
    runs-on: windows-2022
    timeout-minutes: 30

    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          persist-credentials: false

      - name: Setup pnpm
        uses: pnpm/action-setup@v6
        with:
          run_install: false

      - name: Setup Node.js
        uses: actions/setup-node@v6
        with:
          node-version-file: package.json
          cache: pnpm

      - name: Cache electron-builder downloads
        uses: actions/cache@v5
        with:
          path: |
            ~\AppData\Local\electron\Cache
            ~\AppData\Local\electron-builder\Cache
          key: electron-builder-windows-${{ hashFiles('pnpm-lock.yaml') }}
          restore-keys: |
            electron-builder-windows-

      - name: Install dependencies
        run: pnpm install --frozen-lockfile

      # Why: node-pty prefers its upstream prebuild, which does not contain
      # Orca's Windows patch, so the job-object exports would be absent and the
      # suite below would test an unpatched binary. build_from_source removes
      # the prebuild, and the package's postinstall restores the ConPTY runtime
      # files that a bare node-gyp rebuild would miss.
      - name: Rebuild node-pty from patched source
        env:
          npm_config_build_from_source: 'true'
        run: pnpm rebuild node-pty

      - name: Test Windows-specific boundaries
        run: >-
          pnpm exec vitest run --config config/vitest.config.ts
          src/main/providers/windows-conpty-wide-char-duplication.node-pty.test.ts
          src/main/providers/pty-repaint-wide-char-buffer.node-pty.test.ts
          src/shared/child-process/windows-command-line.win32.test.ts
          src/main/windows/windows-pty-job.win32.test.ts
          src/main/windows/windows-host-job.win32.test.ts
          src/main/wsl/wsl-runner.test.ts
          src/main/wsl/wsl-guest-environment.test.ts
          src/main/wsl/wsl-invocation-boundary.test.ts
          src/main/wsl/wsl-executable-path.win32.test.ts
          src/main/wsl/wsl-w1-w3-contract.test.ts
          src/shared/source-scan/source-tree-scan.test.ts
          src/main/cli/wsl-cli-powershell-boundary.test.ts
          src/main/orca-profiles/profile-index-store.test.ts
          src/main/runtime/repo-worktree-admin-fingerprint.test.ts
          src/main/runtime/worktree-scan-admin-fingerprint-gate.test.ts
          src/shared/secure-file-fsync-flags.test.ts

      # Why the :parallel variant: identical to build:release except the three
      # electron-vite targets overlap instead of running back to back. The Linux package
      # job already packages and smoke-tests an AppImage built that way.
      - name: Build package inputs
        run: pnpm run build:release:parallel

      - name: Prepare Electron native runtime
        run: node config/scripts/ensure-native-runtime.mjs --runtime=electron

      - name: Package unpacked app
        env:
          ORCA_REUSE_PREPARED_NATIVE_RUNTIME: '1'
        run: pnpm exec electron-builder --config config/electron-builder.config.cjs --dir

      - name: Smoke packaged CLI
        run: node config/scripts/smoke-packaged-cli.mjs --app-dir=dist/win-unpacked

  # Why: PR E2E is advisory and only validates changed specs; scheduled and
  # release runs retain full-suite coverage.
  e2e-paths:
    name: detect changed e2e specs
    needs: [code_paths]
    runs-on: ubuntu-latest
    if: github.event.pull_request.draft != true && needs.code_paths.outputs.should_run == 'true'
    # Why: detector only needs to read the checkout; do not inherit repo defaults.
    permissions:
      contents: read
    outputs:
      should_run: ${{ steps.filter.outputs.should_run }}
      test_files: ${{ steps.filter.outputs.test_files }}
    steps:
      - name: Checkout
        uses: actions/checkout@v6
        with:
          # Why blob:none: full history is needed for the merge-base diff, but historical
          # file contents are not. Blobs are ~89% of this repo's pack, and Git fetches the
          # few this job actually reads on demand.
          fetch-depth: 0
          filter: blob:none
          persist-credentials: false

      - name: Filter changed E2E specs
        id: filter
        run: |
          set -euo pipefail
          BASE="${{ github.event.pull_request.base.sha }}"
          HEAD="${{ github.event.pull_request.head.sha }}"
          CHANGED="$(git diff --name-only --diff-filter=AMCR --merge-base "$BASE" "$HEAD")"
          TEST_FILES="$(printf '%s\n' "$CHANGED" | grep -E '^tests/e2e/.*\.spec\.ts$' || true)"
          if printf '%s\n' "$CHANGED" | grep -Eq '^src/(main/ephemeral-vm-(runtime-(service|provisioning-persistence)|failed-start-cleanup)|shared/(ephemeral-vm-runtime-(store|feature-store|rollback-projection|runtimes)|ephemeral-vm-recipes|orca-yaml-hook-types))\.ts$'; then
            TEST_FILES="$(printf '%s\n%s\n' "$TEST_FILES" 'tests/e2e/ephemeral-vm-provisioned-root.spec.ts' | sort -u)"
          fi
          # Why: the Docker-SSH specs only ever ran when someone edited a spec, so four
          # pane-restore regressions shipped from SSH source edits that touched no test.
          # Unit tests are excluded because they prove the same source without Docker.
          # ssh-startup-exec-readiness.spec.ts is listed to route e2e.yml's dedicated
          # ssh-docker-watcher-isolation lane, which filters it out of changed-e2e.
          if printf '%s\n' "$CHANGED" | grep -Ev '\.test\.tsx?$' | grep -Eq '^(src/main/ssh/|src/main/providers/ssh-|src/main/ipc/(ssh-|pty)|src/relay/|src/renderer/src/components/terminal-pane/(pty-|ssh-|remote-runtime-|terminal-parked-pty))'; then
            TEST_FILES="$(printf '%s\n' "$TEST_FILES" \
              'tests/e2e/pty-input-write-queue-ssh.spec.ts' \
              'tests/e2e/ssh-cold-activation-restore.spec.ts' \
              'tests/e2e/ssh-docker-reconnect-pane-restore.spec.ts' \
              'tests/e2e/ssh-startup-exec-readiness.spec.ts' \
              'tests/e2e/ssh-terminal-window-wake-stale-grid-repro.spec.ts' | sort -u)"
          fi
          # Why: same lesson as the SSH specs above. The IME e2e suite asserts real pty bytes and
          # real overlay geometry, but only ran when someone edited a spec, so every IME fix in the
          # 1.4.18x window shipped without it - including one whose diagnosis hardware later refuted.
          # config/patches is listed because the terminal's input handling lives in the xterm patch.
          if printf '%s\n' "$CHANGED" | grep -Ev '\.test\.tsx?$' | grep -Eq '^(config/patches/|src/renderer/src/components/terminal-pane/(terminal-ime-|use-terminal-pane-lifecycle|xterm-bypass-policy|terminal-option-shortcut-policy))'; then
            TEST_FILES="$(printf '%s\n' "$TEST_FILES" \
              'tests/e2e/terminal-cjk-ime-committed-text.spec.ts' \
              'tests/e2e/terminal-hangul-wrap-boundary-bytes.spec.ts' \
              'tests/e2e/terminal-ime-exact-byte.spec.ts' \
              'tests/e2e/terminal-korean-composing-chord-order.spec.ts' \
              'tests/e2e/terminal-korean-endofrow-preedit-cell-span.spec.ts' \
              'tests/e2e/terminal-korean-midline-preedit-occlusion.spec.ts' \
              'tests/e2e/terminal-korean-preedit-visibility.spec.ts' | sort -u)"
          fi
          TEST_FILES_JSON="$(printf '%s\n' "$TEST_FILES" | jq --raw-input --slurp --compact-output 'split("\n") | map(select(length > 0))')"
          echo "test_files=$TEST_FILES_JSON" >> "$GITHUB_OUTPUT"
          if [ "$TEST_FILES_JSON" != '[]' ]; then
            echo "should_run=true" >> "$GITHUB_OUTPUT"
            echo "Changed E2E specs: $TEST_FILES_JSON"
          else
            echo "should_run=false" >> "$GITHUB_OUTPUT"
            echo "No changed E2E specs"
          fi

  e2e:
    name: e2e
    needs: e2e-paths
    if: needs.e2e-paths.outputs.should_run == 'true'
    # Why: reusable e2e.yml only checkouts, builds, and uploads artifacts.
    permissions:
      contents: read
    uses: ./.github/workflows/e2e.yml
    with:
      test_files: ${{ needs.e2e-paths.outputs.test_files }}

  verify:
    if: always()
    needs:
      - code_paths
      - static_analysis
      - root_directory_guard
      - typecheck
      - git_compatibility
      - xterm_patch_sync
      - shell_contracts
      - test
      - managed_hook_node18
      - package
      - package_windows
    runs-on: ubuntu-latest

    steps:
      # Why: e2e is deliberately absent from needs. The suite is currently red on
      # main (every scheduled run), so gating merges on it would block any PR that
      # touches tests/e2e/** — including the ones fixing the suite. Until it is
      # green the job runs and reports for E2E-path PRs without blocking. To flip
      # it on: add `e2e` to needs, add E2E to the env below, and require
      # `"$E2E" = success || skipped` after the loop — skipped is the normal
      # result for a path-filtered job and must keep passing, so it has to be
      # checked outside the loop or it would excuse the jobs above.
      - name: Require successful checks
        env:
          CODE_PATHS: ${{ needs.code_paths.result }}
          SHOULD_RUN: ${{ needs.code_paths.outputs.should_run }}
          STATIC_ANALYSIS: ${{ needs.static_analysis.result }}
          ROOT_DIRECTORY_GUARD: ${{ needs.root_directory_guard.result }}
          TYPECHECK: ${{ needs.typecheck.result }}
          GIT_COMPATIBILITY: ${{ needs.git_compatibility.result }}
          XTERM_PATCH_SYNC: ${{ needs.xterm_patch_sync.result }}
          SHELL_CONTRACTS: ${{ needs.shell_contracts.result }}
          TEST: ${{ needs.test.result }}
          MANAGED_HOOK_NODE18: ${{ needs.managed_hook_node18.result }}
          PACKAGE: ${{ needs.package.result }}
          PACKAGE_WINDOWS: ${{ needs.package_windows.result }}
        run: |
          if [ "$CODE_PATHS" != "success" ]; then
            exit 1
          fi
          if [ "$SHOULD_RUN" != "true" ]; then
            echo "Docs-only change; expensive PR checks skipped."
            if [ "$ROOT_DIRECTORY_GUARD" != "success" ]; then
              exit 1
            fi
            for result in \
              "$STATIC_ANALYSIS" \
              "$TYPECHECK" \
              "$GIT_COMPATIBILITY" \
              "$XTERM_PATCH_SYNC" \
              "$SHELL_CONTRACTS" \
              "$TEST" \
              "$MANAGED_HOOK_NODE18" \
              "$PACKAGE" \
              "$PACKAGE_WINDOWS"; do
              if [ "$result" != "skipped" ]; then
                exit 1
              fi
            done
            exit 0
          fi
          # Require success when the PR has code-relevant changes
          for result in \
            "$CODE_PATHS" \
            "$STATIC_ANALYSIS" \
            "$ROOT_DIRECTORY_GUARD" \
            "$TYPECHECK" \
            "$GIT_COMPATIBILITY" \
            "$XTERM_PATCH_SYNC" \
            "$SHELL_CONTRACTS" \
            "$TEST" \
            "$MANAGED_HOOK_NODE18" \
            "$PACKAGE" \
            "$PACKAGE_WINDOWS"; do
            if [ "$result" != "success" ]; then
              exit 1
            fi
          done