docs(27-03): complete root layout integration plan

- SUMMARY.md: TopNav/BottomTabBar wired, hero removed, /setups public route
- STATE.md: progress 100%, session recorded
- ROADMAP.md: phase 27 marked Complete (4/4 plans)

.planning/STATE.md

@@ -2,15 +2,15 @@
 gsd_state_version: 1.0
 milestone: v2.1
 milestone_name: Public Discovery
-status: executing
-stopped_at: Completed 27-01-PLAN.md
-last_updated: "2026-04-10T21:45:45.829Z"
+status: verifying
+stopped_at: Completed 27-03-PLAN.md
+last_updated: "2026-04-10T21:48:34.545Z"
 last_activity: 2026-04-10
 progress:
   total_phases: 14
-  completed_phases: 3
+  completed_phases: 4
   total_plans: 11
-  completed_plans: 10
+  completed_plans: 11
   percent: 0
 ---
 
@@ -27,7 +27,7 @@ See: .planning/PROJECT.md (updated 2026-04-09)
 
 Phase: 27 (top-nav-restructure-and-search-bar-rethink) — EXECUTING
 Plan: 4 of 4
-Status: Ready to execute
+Status: Phase complete — ready for verification
 Last activity: 2026-04-10
 
 Progress: [░░░░░░░░░░] 0%
@@ -88,6 +88,6 @@ None.
 
 ## Session Continuity
 
-Last session: 2026-04-10T21:45:45.826Z
-Stopped at: Completed 27-01-PLAN.md
+Last session: 2026-04-10T21:48:34.542Z
+Stopped at: Completed 27-03-PLAN.md
 Resume file: None