docs(02-03): complete Advance Top N plan — SUMMARY, STATE, ROADMAP updated

- Phase 2 complete: all 3 plans done (DASH-01 through DASH-07 fulfilled)
- REQUIREMENTS.md: marked DASH-05, DASH-06, DASH-07 complete
- ROADMAP.md: Phase 2 updated to Complete (3/3 plans)
- STATE.md: advanced to Phase 2 complete, added 3 new decisions

.planning/ROADMAP.md

@@ -13,7 +13,7 @@ This milestone extends the MOPC jury voting platform with four capabilities: an
 Decimal phases appear between their surrounding integers in numeric order.
 
 - [x] **Phase 1: AI Ranking Backend** - AI service, tRPC router, schema, and auto-trigger for ranking projects per category using natural-language criteria
- (completed 2026-02-27)
+ (completed 2026-02-27)
 - [x] **Phase 2: Ranking Dashboard UI** - Drag-and-drop ranking tab on the round detail page with criteria input, preview-confirm dialog, and project detail side panel
  (completed 2026-02-27)
 - [ ] **Phase 3: Advancement + Email** - Bulk advancement flow with reject/advance in one operation, notify-vs-silent toggle, and admin-editable email templates
@@ -76,6 +76,6 @@ Phases execute in numeric order: 1 → 2 → 3 → 4 (Phase 4 can be parallelize
 Phases execute in numeric order: 1 → 2 → 3 → 4 (Phase 4 can be parallelized with 2-3)
 
 | Phase | Plans Complete | Status | Completed |
-| 1. AI Ranking Backend | 4/4 | Complete   | 2026-02-27 |
+|-------|----------------|--------|-----------|
 | 1. AI Ranking Backend | 4/4 | Complete   | 2026-02-27 |
 | 2. Ranking Dashboard UI | 3/3 | Complete   | 2026-02-27 |