- Add PhaseChangesRequestedEvent to event bus
- Add requestChangesOnPhase() to ExecutionOrchestrator: reads unresolved
comments, creates revision task (category='review'), resets phase to
in_progress, queues task for dispatch
- Expand merge-skip and branch routing to include 'review' category so
revision tasks work directly on the phase branch
- Add requestPhaseChanges tRPC procedure (reads comments from DB)
- Wire frontend: mutation replaces stub handler, window.prompt for
optional summary, loading state on button
7e0749ef17