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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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docs/LAUNCHER.md
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@@ -569,3 +569,7 @@ Launcher now consumes Host startup telemetry from the unified public IPC stack:
- Launcher connects through `LanMountainDesktopIpcClient`
The previous custom length-prefixed named-pipe transport is no longer the primary startup communication path.
## Coordinator Guard
Launcher also owns a small per-user local coordinator used only between Launcher processes. It reserves `startup-attempt.json` before host launch, publishes a heartbeat, and exposes a local coordinator pipe for secondary Launchers. A secondary Launcher must attach to that coordinator or activate the existing Host through Public IPC instead of starting another Host process. See [Launcher Coordinator](LAUNCHER_COORDINATOR.md).