* fix(runtime): add single-instance lock + owned-metadata clear to prevent orca-runtime.json corruption
Closes#1312.
Every AppImage/.app relaunch was booting a fresh Electron main that clobbered
`<userData>/orca-runtime.json` and `agent-hooks/endpoint.env`. When the newest
instance quit, metadata pointed at a dead pid and `orca status` reported
`stale_bootstrap` even though the original Orca was still running. SIGKILL'd
predecessors also left orphaned `o-<pid>-*.sock` files in userData.
Three surgical changes:
1. `app.requestSingleInstanceLock()` in a new
`src/main/startup/single-instance-lock.ts` helper, wired into
`src/main/index.ts` after `configureDevUserDataPath(is.dev)` so dev and
packaged runs lock in separate namespaces. Losing instances focus the
primary's window via `second-instance` and quit without touching userData.
2. `clearRuntimeMetadataIfOwned(userData, pid, runtimeId)` in
`runtime-metadata.ts` — compares both pid AND runtimeId against the
current file before clearing, so the auto-updater handoff window never
erases the replacement process's fresh bootstrap. Called from a rewritten
`will-quit` handler that folds `runtimeRpc.stop()` + owned-clear into the
same `Promise.allSettled([disconnectDaemon, …]).then(app.quit)` chain
(inside the `!daemonDisconnectDone` guard so the second-pass re-entry
can't re-invoke stop+clear).
3. `sweepOrphanedRuntimeSockets()` in `runtime-rpc.ts` runs at the top of
`start()` on POSIX, using `process.kill(pid, 0)` to probe liveness and
remove `o-<dead-pid>-*.sock` orphans left by SIGKILL/OOM-kill.
Tests (37 new/updated):
- `single-instance-lock.test.ts` (3): lock-failed does not register listener;
lock-acquired registers exactly one; callback dispatches correctly.
- `runtime-metadata.test.ts` (+4): clearRuntimeMetadataIfOwned matched /
pid-mismatch / runtimeId-mismatch / no-file branches.
- `runtime-socket-sweep.test.ts` (4): own-pid-skip / alive-retain /
dead-sweep / regex-miss separated via synthetic ownPid=1; two
regex-invariant tests assert the sweep regex matches the real
`createRuntimeTransportMetadata` output (including the 'rt' fallback).
Design doc: `docs/fix-missing-single-instance-lock.md`.
Co-authored-by: Orca <help@stably.ai>
* fix(runtime): focus hidden windows on second-instance event
focus() alone is a silent no-op when the primary window is hidden
(close-to-tray on macOS via Cmd+W, or on a different macOS Space) or
behind other apps on Windows. Call show() before focus() so a second
launch attempt reliably surfaces the existing window regardless of
state.
Co-authored-by: Orca <help@stably.ai>
---------
Co-authored-by: Orca <help@stably.ai>