**Dependency Issue Found:** This ticket is blocked on #137, which is cancelled. #137 was also blocked on #136, which is also cancelled. However, the basic infrastructure for this ticket is already in place: - `proposals` table exists with all required columns (title, proposal_type, reasoning, confidence, priority, status, metadata) - `researcher_reviewed_at` columns exist on both `tickets` and `agent_memories` - API and Avo controllers exist The cancelled tickets (#136, #137) appear to be about the Researcher agent's analysis phases (code quality, feature ideation), which are separate from this UI work. The proposals system itself is functional and ready for a review UI. **Request:** Please unblock this ticket so I can proceed with implementing the Control Center UI for reviewing proposals.