docs(21-06): complete integration smoke test plan

Tasks completed: 2/2
- Run full build verification (TypeScript, Vite, tests)
- Full integration smoke test (human-verified, approved)

SUMMARY: .planning/phases/21-polish-integration/21-06-SUMMARY.md

.planning/STATE.md

@@ -9,19 +9,19 @@ See: .planning/PROJECT.md (updated 2026-02-04)
 
 ## Current Position
 
-Phase: 21 of 21 (Polish & Integration) - In progress
-Plan: 5 of 6 in current phase
-Status: Completed 21-05 (Code Splitting & Data-Fetching Performance)
-Last activity: 2026-02-05 - Completed 21-05-PLAN.md (route code splitting + PlanTasksFetcher fix)
+Phase: 21 of 21 (Polish & Integration) - Phase complete
+Plan: 6 of 6 in current phase
+Status: Completed 21-06 (Integration Smoke Test)
+Last activity: 2026-02-05 - Completed 21-06-PLAN.md (full build verification + human smoke test)
 
-Progress: █████████░ 99%
+Progress: ██████████ 100%
 
 ## Performance Metrics
 
 **Velocity:**
-- Total plans completed: 74
+- Total plans completed: 75
 - Average duration: 3 min
-- Total execution time: 209 min
+- Total execution time: 211 min
 
 **By Phase (v1.0):**
 
@@ -249,6 +249,7 @@ Recent decisions affecting current work:
 - 21-04: SpawnArchitectDropdown already covered by 21-01 — verification task was no-op
 - 21-05: autoCodeSplitting: true on TanStackRouterVite plugin — automatic route splitting without manual .lazy.tsx files
 - 21-05: PlanTasksFetcher onTasks moved to useEffect to prevent setState-during-render loops
+- 21-06: No code changes needed — verification-only plan confirming all Phase 21 work integrates correctly
 
 ### Pending Todos
 
@@ -271,5 +272,5 @@ None.
 ## Session Continuity
 
 Last session: 2026-02-05
-Stopped at: Completed 21-05 (Code Splitting & Data-Fetching Performance)
+Stopped at: Completed 21-06 (Integration Smoke Test) - Phase 21 complete, v2.0 milestone complete
 Resume file: None