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/ROADMAP.md

@@ -14,7 +14,7 @@ None
 - ✅ **v1.1 Test Infrastructure** - Phases 7-9 (shipped 2026-01-31)
 - ✅ **v1.2 Architect & Multi-Question** - Phases 10-13 (shipped 2026-02-02)
 - ✅ **v1.3 Parallel Execution & UI Design** - Phases 14-15 (shipped 2026-02-02)
-- 🚧 **v2.0 Frontend** - Phases 16-21 (in progress)
+- ✅ **v2.0 Frontend** - Phases 16-21 (shipped 2026-02-05)
 
 ## Phases
 
@@ -244,7 +244,7 @@ Plans:
 
 </details>
 
-### 🚧 v2.0 Frontend (In Progress)
+### ✅ v2.0 Frontend (SHIPPED 2026-02-05)
 
 **Milestone Goal:** Build the web UI from v1.3 wireframes using React + Vite with real-time tRPC subscriptions
 
@@ -322,12 +322,12 @@ Plans:
 **Plans**: 6 plans
 
 Plans:
-- [ ] 21-01: Error Boundary & Toast Notifications
+- [x] 21-01: Error Boundary & Toast Notifications
-- [ ] 21-02: Skeleton Loading States
+- [x] 21-02: Skeleton Loading States
 - [x] 21-03: Cross-Screen Navigation & Mobile Responsive
 - [x] 21-04: Subscription Error Handling
-- [ ] 21-05: Code Splitting & Performance
+- [x] 21-05: Code Splitting & Performance
-- [ ] 21-06: Integration Smoke Test
+- [x] 21-06: Integration Smoke Test
 
 ## Progress
 
@@ -358,7 +358,7 @@ Phases execute in numeric order: 1 → 1.1 → 2 → 3 → 4 → 5 → 6 → 7
 | 18. Initiative Detail | v2.0 | 4/4 | Complete | 2026-02-04 |
 | 19. Agent Inbox | v2.0 | 4/4 | Complete | 2026-02-04 |
 | 20. Real-time Subscriptions | v2.0 | 2/2 | Complete | 2026-02-04 |
-| 21. Polish & Integration | v2.0 | 4/6 | In progress | - |
+| 21. Polish & Integration | v2.0 | 6/6 | Complete | 2026-02-05 |
 
 ---
 *Roadmap created: 2026-01-30*
@@ -366,3 +366,4 @@ Phases execute in numeric order: 1 → 1.1 → 2 → 3 → 4 → 5 → 6 → 7
 *v1.1 shipped: 2026-01-31 (8 plans, 3 phases)*
 *v1.2 shipped: 2026-02-02 (21 plans, 4 phases)*
 *v1.3 shipped: 2026-02-02 (11 plans, 2 phases)*
+*v2.0 shipped: 2026-02-05 (27 plans, 6 phases)*

.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
+Phase: 21 of 21 (Polish & Integration) - Phase complete
-Plan: 5 of 6 in current phase
+Plan: 6 of 6 in current phase
-Status: Completed 21-05 (Code Splitting & Data-Fetching Performance)
+Status: Completed 21-06 (Integration Smoke Test)
-Last activity: 2026-02-05 - Completed 21-05-PLAN.md (route code splitting + PlanTasksFetcher fix)
+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

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

@@ -0,0 +1,90 @@
+---
+phase: 21-polish-integration
+plan: 06
+subsystem: ui
+tags: [integration-test, smoke-test, verification, frontend]
+
+# Dependency graph
+requires:
+  - phase: 21-04
+    provides: Subscription error handling with toast notifications
+  - phase: 21-05
+    provides: Code splitting, PlanTasksFetcher render fix
+provides:
+  - Verified frontend ready to ship as v2.0
+  - Full build pipeline confirmed (TypeScript, Vite, tests)
+  - Human-verified all screens, navigation, error handling, and loading states
+affects: []
+
+# Tech tracking
+tech-stack:
+  added: []
+  patterns: []
+
+key-files:
+  created: []
+  modified: []
+
+key-decisions:
+  - "No code changes needed — verification-only plan confirming all Phase 21 work integrates correctly"
+
+patterns-established: []
+
+# Metrics
+duration: 2min
+completed: 2026-02-05
+---
+
+# Phase 21 Plan 06: Integration Smoke Test Summary
+
+**Full build pipeline and human-verified end-to-end smoke test confirming v2.0 frontend readiness**
+
+## Performance
+
+- **Duration:** 2 min
+- **Started:** 2026-02-05
+- **Completed:** 2026-02-05
+- **Tasks:** 2
+- **Files modified:** 0
+
+## Accomplishments
+- Full build verification passed: TypeScript (backend + frontend), Vite production build, all tests green
+- No `console.error` calls remaining in component source files
+- Human smoke test approved: dashboard, detail, inbox, error handling, 404, loading states, and navigation all verified end-to-end
+
+## Task Commits
+
+This was a verification-only plan with no code changes:
+
+1. **Task 1: Run full build verification** - (no commit - verification only)
+2. **Task 2: Full integration smoke test** - (no commit - human-verify checkpoint, approved)
+
+**Plan metadata:** committed with SUMMARY + STATE + ROADMAP update
+
+## Files Created/Modified
+None - verification-only plan.
+
+## Decisions Made
+None - followed plan as specified. All prior Phase 21 work verified as correct.
+
+## Deviations from Plan
+
+None - plan executed exactly as written.
+
+## Issues Encountered
+None
+
+## User Setup Required
+None - no external service configuration required.
+
+## Next Phase Readiness
+- Phase 21 complete. All 6 plans finished.
+- v2.0 Frontend milestone ready to ship.
+- All screens verified: dashboard, initiative detail, agent inbox, 404
+- Error handling confirmed: toast notifications, persistent SSE disconnect warning, graceful degradation
+- Loading states confirmed: skeleton loading cards, rows, and layout
+- Navigation confirmed: cross-screen links, mobile responsive drill-down, back buttons
+
+---
+*Phase: 21-polish-integration*
+*Completed: 2026-02-05*