Submit for Review is now disabled while a ConPTY pane is starting, has
failed to launch, or has already exited, and MissionControlViewModel
guards against a rapid double-click racing two SubmitTaskForReviewAsync
calls. A failed launch no longer permanently occupies its TaskId dedupe
slot -- a Retry button re-fetches the launch spec and restarts the pane
in place. CloseConPtySession/Dispose now also unsubscribe
SubmitForReviewRequested, matching the other pane event handlers. Also
fixes the pre-existing nullable-dereference warning in
IslandsShellViewModel.SyncInteractiveSessionChips.
## Der Zweifel
Ein autonomer Agent und eine interaktive Session sollen sich unterschiedlich verhalten. Unklar war, ob beide denselben System-Prompt mitbekommen.
## Vorbefund (2026-08-05, beim Verfeinern erhoben — **selbst nachpruefen, nicht uebernehmen**)
Sie teilen ihn **nicht**. Pro Startweg:
| Startweg | Einstieg | System-Prompt |
|---|---|---|
| Autonomer Run | `ClaudeArgsBuilder.cs:69-73`
ClaudeDo-Task: b259a1c9a73846ce833f0b555fb1de79