Creator refinement: 'offered iff there's not one already configured & attainable'.
CanAddWebcam now requires IsWebcamAttainable = identity present AND a RUNNING
session (CameraManager.IsRunning) — an identity whose camera was unplugged or
whose lock keeps failing leaves the row greyed with reason 'No webcam is
currently available…', and it un-greys the moment a session is live. Gate
re-raised at every attainability flip: staging, removal, startup lock success,
first frame, camera failure, identity swap.
Root cause the old test surfaced: the startup pass skipped acquiring when the
loaded identity's configs already held the session, so there was no independent
app base ref — removing the last placement dropped RefCount to 0 and killed the
session. The single-camera branch now ALWAYS acquires (a running session just
bumps), laying the app-wide base hold so the default outlives the scenes.
Good Dog: WebcamMenuGateTests second fact — identity loaded, session can't start
→ row NOT offered + 'No webcam is currently available…' tooltip. Positive fact
waits for WebcamStartupValidationTask to make the IsRunning read deterministic.
Docs same commit (ai.md gate + base-lock, TASKS.md, HANDOFF.md incl. proven
pre-existing audio flake). 305 tests (304 pass + known flake), 0 warnings.
gramps
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