- Differentiate RETHINK handling between plan reviews (session rewind only) and code reviews (git reset + session rewind)
- Update system prompt with detailed REVISE/RETHINK verdict descriptions for plan vs code review types
- Enforce code review REVISE verdict by blocking task_update(done) until re-review passes
- Capture pre-step session checkpoints in task_update for conversation rewind on RETHINK
- Add comprehensive tests for plan RETHINK, code RETHINK, and REVISE enforcement flows
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