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Add launcher coordinator IPC and startup reservation

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Introduce a launcher coordinator to reserve startup ownership and prevent duplicate host launches. Adds a NamedPipe-based IPC server/client (LauncherCoordinatorIpcServer/Client), coordinator messages/models, and PublicShellStatus/activation types for richer shell reporting. Enhances StartupAttemptRecord and StartupAttemptRegistry to track coordinator pid/pipe, heartbeat, reserved-before-host-start, and public IPC status, plus new reservation/heartbeat APIs and takeover logic. Wire coordinator into App and LauncherFlowCoordinator to attach secondary launchers, publish coordinator status, probe existing hosts, and include more detailed launch result details. Also adds unit tests and docs describing coordinator and startup visuals behavior.
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lincube
2026-04-23 09:45:05 +08:00
parent 33591a0a63
commit 927dc8d1fd
19 changed files with 1637 additions and 23 deletions
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8
.trae/specs/launcher-shell-hardening/startup-visuals-addendum.md
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@@ -27,3 +27,11 @@
- `Open Logs`
- `Exit`
- Retry is only valid when Launcher is not about to create a duplicate desktop process.
## Launcher coordinator guard
- Startup attempts are now reserved before host launch, so concurrent Launchers cannot all reach `Process.Start()`.
- A live coordinator is identified by `CoordinatorPid`, `CoordinatorPipeName`, and a heartbeat newer than `10s`.
- Secondary Launchers send `activate-desktop` or `attach` to the coordinator pipe and then exit with the coordinator status.
- If Host Public IPC is already available during a normal launch, Launcher activates the existing desktop and does not start a new host process.
- Public shell status now reports tray readiness and taskbar-entry usability separately, allowing Launcher to distinguish "running but hidden" from "not recoverable".