docs: create roadmap (3 phases)

.planning/STATE.md

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+# Project State
+
+## Project Reference
+
+See: .planning/PROJECT.md (updated 2026-02-13)
+
+**Core value:** The chairman can annotate any member with timestamped notes directly from the member list, without navigating away from the page.
+
+**Current focus:** Phase 1 - Database Schema & Backend API
+
+## Current Position
+
+Phase: 1 of 3 (Database Schema & Backend API)
+Plan: 0 of TBD in current phase
+Status: Ready to plan
+Last activity: 2026-02-13 — Roadmap created with 3 phases covering all 16 v1 requirements
+
+Progress: [░░░░░░░░░░] 0%
+
+## Performance Metrics
+
+**Velocity:**
+- Total plans completed: 0
+- Average duration: - min
+- Total execution time: 0.0 hours
+
+**By Phase:**
+
+| Phase | Plans | Total | Avg/Plan |
+|-------|-------|-------|----------|
+| - | - | - | - |
+
+**Recent Trend:**
+- Last 5 plans: None yet
+- Trend: Not enough data
+
+*Updated after each plan completion*
+
+## Accumulated Context
+
+### Decisions
+
+Decisions are logged in PROJECT.md Key Decisions table.
+Recent decisions affecting current work:
+
+- Enhance existing member list vs new page: User wants notes integrated into existing workflow (outcome pending)
+- Shared notes (all admin roles): Chairman wants transparency across admin roles (outcome pending)
+- Append-only notes (no edit/delete): Maintains audit integrity for member observations (outcome pending)
+- Alpine.js inline UI: Matches existing stack and avoids full page reloads (outcome pending)
+
+### Pending Todos
+
+None yet.
+
+### Blockers/Concerns
+
+None yet.
+
+## Session Continuity
+
+Last session: 2026-02-13
+Stopped at: Roadmap creation complete, ready to plan Phase 1
+Resume file: None