docs(17-04): complete initiative dashboard integration plan with summary

Phase 17-04 wires all dashboard components into a functional page with
status filtering, create dialog, and card-to-detail navigation. AppLayout
header cleaned up. Build and types verified.

.planning/STATE.md

@@ -10,18 +10,18 @@ See: .planning/PROJECT.md (updated 2026-02-04)
 ## Current Position
 
 Phase: 17 of 21 (Initiative Dashboard)
-Plan: 3 of 4 in current phase
-Status: In progress
-Last activity: 2026-02-04 - Completed 17-03-PLAN.md
+Plan: 4 of 4 in current phase (COMPLETE)
+Status: Phase 17 complete
+Last activity: 2026-02-04 - Completed 17-04-PLAN.md
 
 Progress: █████████░ 97%
 
 ## Performance Metrics
 
 **Velocity:**
-- Total plans completed: 64
+- Total plans completed: 65
 - Average duration: 3 min
-- Total execution time: 177 min
+- Total execution time: 181 min
 
 **By Phase (v1.0):**
 
@@ -199,6 +199,8 @@ Recent decisions affecting current work:
 - 17-03: No deleteInitiative tRPC procedure; Delete menu item disabled as placeholder
 - 17-03: Controlled dialog pattern: open/onOpenChange props with form reset via useEffect
 - 17-03: shadcn CLI @/ dir bug workaround applied again (same as 16-04)
+- 17-04: Dashboard page owns create action (Option A) — keeps AppLayout generic for other pages
+- 17-04: Route param is $id matching existing $id.tsx file route definition
 
 ### Pending Todos
 
@@ -221,5 +223,5 @@ None.
 ## Session Continuity
 
 Last session: 2026-02-04
-Stopped at: Completed 17-03-PLAN.md
+Stopped at: Completed 17-04-PLAN.md (Phase 17 complete)
 Resume file: None