Neil 0a821e5bc8 fix(crash-reporting): make the own-Chromium gate a real choke point, and stop a refusal leaking the root (#18459)
* fix(crash-reporting): make the own-Chromium gate a real choke point

Round-3 review found the guard was not the choke point its own comments
claimed: six pid-addressed `taskkill /pid <pid> /t /f` families in main were
ungated and uninstrumented, so the stale-pid shape stayed producible and a
`selfInitiatedTreeKillCount: 0` could read as exculpatory when it was not.

- Gate the remaining main-process families: the git command-runner abort, the
  notebook-cell and automation-precheck timeouts.
- Turn the `src/shared` seam into the gate itself (`process-tree-kill-gate`), so
  the runProcess choke point, the codex app-server deadline kill and the
  ephemeral-VM recipe kill ask the same decision. Those three are compiled into
  the CLI/relay too and cannot import main; main installs the guard at preflight.
- Ratchet (`main-process-tree-kill-gate.test.ts`): a new pid-addressed taskkill
  in main that skips the gate fails, and the allowlist entries must still exist.
- Give pid-addressed kills eviction priority in the 32-entry ring: 32 routine
  `win-pty-job` teardowns from a window-close burst no longer evict the one
  entry that discriminates a self-kill from an external one.
- Correct the coverage doc, which described the uninstrumented Windows sites as
  POSIX `process.kill(-pid)` group kills and omitted the git and codex paths.

* fix(crash-reporting): keep a refused tree-kill from leaking the root it owns

A refusal must block the pid-addressed tree walk, not the termination. Five of
the six gated sites returned on refusal with no fallback, so a refused
`taskkill /pid /t /f` left git.exe, a timed-out notebook cell, an automation
precheck or an ephemeral-VM recipe running while the caller reported it stopped.
The root kill is addressed by the child handle, which cannot reach the recycled
pid the refusal is about, so it stays correct and required on that path.

Also fixes the ring eviction the scope preference introduced: with the ring
saturated by pid-addressed kills, the only non-pid-addressed entry is the one
just pushed, so the splice evicted itself and the detail came back `{}` --
byte-identical to the external-kill arm, in the window-close case the guard
exists for. Eviction now excludes the newest entry and falls back to FIFO.

Tests: refusal now asserts the root kill at all six sites, and the ring covers
the saturated-pid ordering as well as round 3's group-burst ordering.

* fix(crash-reporting): stop a refused tree-kill leaking the commit-message agent, and count call sites

Two round-5 blocking findings, both open on main and on both branches.

`killSourceControlAgentProcess` had no root-kill fallback on its win32 arm: the
taskkill was the only termination, so once the own-Chromium gate could refuse it
the promise resolved having killed nothing. Both callers do
`terminationComplete ??= killSourceControlAgentProcess(child)` and then release
the managed-home lock on that promise, so a refusal left the local Codex/Claude
commit-message agent running while the caller reported it stopped -- the
lock-contention failure the taskkill was added for. Same fix as the six sibling
sites: the handle-addressed root kill cannot reach the recycled pid the refusal
is about, so it stays correct and required on that path.

The ratchet was file-granular, not call-site granular: one gate mention anywhere
in a file exempted every taskkill in it, which left the six files that now ask
the gate ratchet-blind -- the inverse of what it is for. It now counts `/pid`
call sites against gate admissions per file, so a second ungated kill inside an
existing family fails. Keying on the `/pid` argument rather than a quoted
`taskkill` also catches a kill whose program name comes from a constant. The
three comments that claimed more than the old scan enforced now state the rule
and its two remaining blind spots.

Also: the recording in `admitSelfInitiatedTreeKill` is now wrapped the way the
`admitProcessTreeKill` seam already wraps it, with the refusal decision taken
before anything that can throw so a diagnostics failure cannot flip it; and
`orca-chromium-process-pids` documents the false-positive direction (a stale
`getAppMetrics()` entry plus pid reuse refuses a live unrelated child), which is
the mechanism the root-kill fallback exists to bound.

Tests: refusal now asserts the root kill at all seven sites; the ratchet asserts
call-site counting and the constant-program form.

* test(crash-reporting): run the own-Chromium gate against real Windows trees

Nothing on this branch had ever executed on Windows. The unit tests pin the
gate's decision against a mocked taskkill, which cannot show that the decision
does anything to a real process: that `/T /F` reaps a detached grandchild, that
a refusal leaves that tree standing, or that the handle-addressed root kill the
refusal path falls back to reaps the root while orphaning descendants.

Adds a win32-gated live test covering all four, registered in both the
`package_windows` CI lane and `WINDOWS_PACKAGE_TESTS` as
`win32-test-lane-registration` requires.

Also completes the coverage doc's "never instrumented" list, which omitted the
macOS keyboard-input-source probe's POSIX group kill in `ipc/app.ts`.

* fix(crash-reporting): pin the commit-message root kill on the Windows arm

The first Windows run of this branch found nine failures the macOS suite
cannot see: `commit-message-text-generation-test-harness` asserts
`expect(child.kill).not.toHaveBeenCalled()` on `process.platform === 'win32'`,
which is the contract the previous commit deliberately replaced — and it
branches on the real platform, so it is dead code everywhere CI runs today.

The harness now asserts the handle-addressed root kill on every platform. On
win32 it lands after the tree walk, so the expectation waits rather than reading
one tick early, and its ten call sites await it. Red against the pre-fix arm at
all seven sites; the production code is unchanged.

* test(crash-reporting): remove the Windows lane marker tree through the retrying helper

The new win32 spec teardown used a raw rmSync, which the windows-lane-tree-removal
boundary ratchet rejects — and which is exactly the EPERM the ratchet exists to
prevent, since this spec's marker directory is written by processes it has just
force-killed.

* fix(crash-reporting): only refuse pid-addressed tree walks, disclose the handle-less codex site

The own-Chromium gate refused the POSIX process-group arm of
signalProcessTree as well, which was new macOS/Linux behaviour: a stale
getAppMetrics() entry plus pid reuse would orphan a group that main reaps
today. A POSIX group only holds what Orca put in it, so the refusal is now
scoped to win-taskkill-tree and the POSIX arm is recorded and admitted like
the other group kills in main. That also drops the synchronous
getAppMetrics() read from every POSIX termination.

codex-turn-added-roots kills roots found by a table walk, so a refusal has
no handle to fall back to. Pin that the refusal is visible - crumb written,
turn reported as not cancelled - rather than fixing what cannot be fixed.

* test(crash-reporting): detach the Windows survival fixture and observe real spawns
2026-09-04 16:42:42 -07:00
2026-09-04 12:37:10 +00:00
2026-09-03 17:32:59 -07:00
2026-05-04 20:42:03 -07:00
2026-03-16 22:27:51 -07:00
2026-03-28 10:19:14 -07:00
2026-09-04 01:44:52 -07:00

Orca Orca

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The AI Orchestrator for 100x builders.
Run Codex, ClaudeCode, OpenCode or Pi side-by-side — each in its own worktree, tracked in one place.

Download Orca

Orca desktop app running agents in parallel worktrees, with the Orca mobile companion app in the corner

Features

Mobile Companion

Monitor and steer your agents from your phone — get notified when an agent finishes and send follow-ups from anywhere.

iOS App Store · TestFlight · Android APK 0.0.47 · Docs →

Orca desktop with the mobile companion app

Parallel Worktrees

Fan one prompt across five agents, each in its own isolated git worktree — compare the results and merge the winner.

Docs →

Parallel worktree orchestration

Terminal Splits

Ghostty-class terminals with WebGL rendering, infinite splits, and scrollback that survives restarts.

Docs →

Terminal splits

Design Mode

Click any UI element in a real Chromium window to send its HTML, CSS, and a cropped screenshot straight into your agent's prompt.

Docs →

Embedded browser and Design Mode

GitHub & Linear, Native

Browse PRs, issues, and project boards in-app — open a worktree from any task and review without a context switch.

Docs →

GitHub and Linear task workflows in Orca

SSH Worktrees

Run agents on a beefy remote box with full file editing, git, and terminals — auto-reconnect and port forwarding included.

Docs →

Remote worktrees over SSH

Annotate AI Diffs

Drop comments on any diff line and ship them back to the agent — review, edit, and commit without leaving Orca.

Docs →

Annotate AI-generated diffs

Drag Files to Agents

VS Code's editor with autosave everywhere — drag files or images straight into an agent prompt.

Docs →

Drag files and images into an agent prompt

Orca CLI

Agents drive Orca too — script every workflow with orca worktree create, snapshot, click, and fill.

Docs →

Script Orca from the CLI

Also in the box:

  • Quick open — Search across worktrees, files, agents, commands, and repo context without leaving your flow.
  • Account switcher & usage tracking — See Claude and Codex usage and rate-limit resets, and hot-swap accounts without re-logging in.
  • Rich repo previews — Preview Markdown, images, PDFs, and repo docs in the workspace.
  • Computer Use — Let agents operate desktop apps and visible UI when a workflow needs real interaction.
  • Notifications and unread state — Know when an agent finishes or needs attention, then mark threads unread to come back later.
  • And many, many more — we ship daily, so this list is perpetually behind. The changelog is the real feature list.

Supported Agents

Works with any CLI agent — if it runs in a terminal, it runs in Orca.

Claude Code logo Claude Code   Codex logo Codex   Grok logo Grok   Cursor logo Cursor   GitHub Copilot logo GitHub Copilot   OpenCode logo OpenCode   MiMo Code logo MiMo Code   Amp logo Amp   OpenClaude logo OpenClaude   Antigravity logo Antigravity   Pi logo Pi   oh-my-pi logo oh-my-pi   Hermes Agent logo Hermes Agent   Devin logo Devin   Goose logo Goose   Auggie logo Auggie   Autohand Code logo Autohand Code   Charm logo Charm   Cline logo Cline   Codebuff logo Codebuff   Command Code logo Command Code   Continue logo Continue   Droid logo Droid   Kilocode logo Kilocode   Kimi logo Kimi   Kiro logo Kiro   Mistral Vibe logo Mistral Vibe   Qwen Code logo Qwen Code   Rovo Dev logo Rovo Dev   + any CLI agent


Install

Desktop — macOS, Windows, Linux

Or via a package manager:

# macOS (Homebrew)
brew install --cask stablyai/orca/orca

# Arch Linux (AUR) — or stably-orca-git to build from source
yay -S stably-orca-bin

Mobile Companion — iOS, Android

Pair with your desktop app to monitor and steer your agents from your phone.


Community & Support

  • Discord: Join the community on Discord.

  • Twitter / X: Follow @orca_build for updates and announcements.

  • WeChat: Scan to join the Orca community WeChat group 8. Group 8 may be full; if so, scan the Group 9 QR code instead.

    WeChat group 8 QR code for the Orca community  WeChat group 9 QR code for the Orca community

  • Feedback & Ideas: We ship fast. Missing something? Request a new feature.

  • Privacy: See the privacy & telemetry docs for what anonymous usage data Orca collects and how to opt out.

  • Show Support: Star this repo to follow along with our daily ships.


Developing

Want to contribute or run locally? See our CONTRIBUTING.md guide.

The relay that pairs the mobile app with a desktop host is also in this repository under cloud/, with a separate pnpm workspace and setup guide.

Orca contributors

GitHub star history chart for stablyai/orca

Signed Builds

Windows code signing sponored/provided by SignPath.io, certificate by SignPath Foundation.

License

Orca is free and open source under the MIT License.

S
Description
Orca is the ADE for working with a fleet of parallel agents. Run any coding agent with your own subscription. Available on desktop, mobile and remote runtime.
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