docs: stage before wave 1 merge

.planning/STATE.md

@@ -2,14 +2,14 @@
 gsd_state_version: 1.0
 milestone: v1.3
 milestone_name: Research & Decision Tools
-status: planning
+status: executing
 stopped_at: Phase 21 context gathered
-last_updated: "2026-04-06T12:42:30.313Z"
-last_activity: 2026-04-06
+last_updated: "2026-04-06T12:56:33.435Z"
+last_activity: 2026-04-06 -- Phase 21 execution started
 progress:
   total_phases: 15
   completed_phases: 13
-  total_plans: 38
+  total_plans: 41
   completed_plans: 36
   percent: 0
 ---
@@ -21,14 +21,14 @@ progress:
 See: .planning/PROJECT.md (updated 2026-04-03)
 
 **Core value:** Help people make better gear decisions — discover what others use, compare real-world data, and see how a potential buy affects your setup before committing.
-**Current focus:** v2.0 Platform Foundation — Phase 14 (PostgreSQL Migration)
+**Current focus:** Phase 21 — item-catalog-detail-pages
 
 ## Current Position
 
-Phase: 20 of 18 (PostgreSQL Migration)
-Plan: Not started
-Status: Ready to plan
-Last activity: 2026-04-06
+Phase: 21 (item-catalog-detail-pages) — EXECUTING
+Plan: 1 of 3
+Status: Executing Phase 21
+Last activity: 2026-04-06 -- Phase 21 execution started
 
 Progress: [----------] 0% (v2.0 milestone)