docs(04-03): complete live reload plan — project complete

- Create 04-03-SUMMARY.md documenting FileWatcher integration
- Update STATE.md: Phase 4 COMPLETE, project COMPLETE, 100% progress
- Update ROADMAP.md: 04-03 checked, Phase 4 3/3 Complete with date
- Update REQUIREMENTS.md: LIVE-01, BBS-01, BBS-02 marked complete

.planning/REQUIREMENTS.md

@@ -43,12 +43,12 @@ Requirements for initial release. Each maps to roadmap phases.
 
 ### BBS Aesthetic
 
-- [ ] **BBS-01**: User sees ANSI art splash screen on index.md
-- [ ] **BBS-02**: User sees "last updated" file mtime on pages
+- [x] **BBS-01**: User sees ANSI art splash screen on index.md
+- [x] **BBS-02**: User sees "last updated" file mtime on pages
 
 ### Live Content
 
-- [ ] **LIVE-01**: App watches filesystem for changes and auto-refreshes current page
+- [x] **LIVE-01**: App watches filesystem for changes and auto-refreshes current page
 - [x] **LIVE-02**: User can browse a vault-wide directory listing
 
 ### Configuration
@@ -126,10 +126,10 @@ Which phases cover which requirements. Updated during roadmap creation.
 | NAV-04 | Phase 3 | Complete |
 | NAV-10 | Phase 3 | Complete |
 | NAV-11 | Phase 3 | Complete |
-| BBS-01 | Phase 4 | Pending |
-| BBS-02 | Phase 4 | Pending |
-| LIVE-01 | Phase 4 | Pending |
-| LIVE-02 | Phase 4 | Complete |
+| BBS-01 | Phase 4 | Complete (04-01) |
+| BBS-02 | Phase 4 | Complete (04-01) |
+| LIVE-01 | Phase 4 | Complete (04-03) |
+| LIVE-02 | Phase 4 | Complete (04-02) |
 
 **Coverage:**
 - v1 requirements: 32 total
@@ -138,4 +138,4 @@ Which phases cover which requirements. Updated during roadmap creation.
 
 ---
 *Requirements defined: 2026-02-28*
-*Last updated: 2026-02-28 after 01-01 execution (CONF-01, SHEL-02 complete)*
+*Last updated: 2026-03-01 after 04-03 execution — all Phase 4 requirements complete, project complete*