- Create 11-01-SUMMARY.md documenting agentSignatureData DB column, API routes, AgentSignaturePanel, profile page, nav link, FieldPlacer token
- Update STATE.md: advance to Plan 1 of 3, record Phase 11 decisions and metrics
- Update ROADMAP.md: Phase 11 now In Progress (1/3 summaries)
- Mark requirements AGENT-01, AGENT-02, AGENT-03 complete in REQUIREMENTS.md