docs(06-03): complete useFirstRunState hook and DB schema push summary

- SUMMARY.md for plan 06-03 with all task results
- STATE.md updated: Phase 06 complete (3/3 plans)
- ROADMAP.md updated: Phase 06 marked complete

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.planning/STATE.md

@@ -4,14 +4,14 @@ milestone: v2.0
 milestone_name: milestone
 status: executing
 stopped_at: Roadmap created — ready to plan Phase 5
-last_updated: "2026-04-20T15:26:04.261Z"
-last_activity: 2026-04-20
+last_updated: "2026-04-20T15:46:32.529Z"
+last_activity: 2026-04-20 -- Phase 06 execution started
 progress:
   total_phases: 5
   completed_phases: 1
-  total_plans: 3
-  completed_plans: 3
-  percent: 100
+  total_plans: 6
+  completed_plans: 4
+  percent: 67
 ---
 
 # Project State
@@ -21,16 +21,16 @@ progress:
 See: .planning/PROJECT.md (updated 2026-04-02)
 
 **Core value:** Opening the app should feel like opening a beautifully designed personal spreadsheet — clean pastel colors, clear data layout, approachable and visually delightful. The UI IS the product.
-**Current focus:** Phase 05 — design-system-token-rework
+**Current focus:** Phase 06 — preset-data-first-run-detection-and-db-safety
 
 ## Current Position
 
-Phase: 6
-Plan: Not started
-Status: Executing Phase 05
-Last activity: 2026-04-20
+Phase: 06 (preset-data-first-run-detection-and-db-safety) — EXECUTING
+Plan: 3 of 3 (COMPLETE)
+Status: Phase 06 complete
+Last activity: 2026-04-20 -- Completed plan 06-03 (useFirstRunState + DB push)
 
-Progress: [░░░░░░░░░░░░░░░░░░░░] 0/? plans (0%)
+Progress: [████████████████████] 3/3 plans (100%)
 
 ## Performance Metrics
 
@@ -79,6 +79,6 @@ None yet.
 
 ## Session Continuity
 
-Last session: 2026-04-02
-Stopped at: Roadmap created — ready to plan Phase 5
+Last session: 2026-04-20
+Stopped at: Completed 06-03-PLAN.md — Phase 06 fully executed
 Resume file: None