docs(state): record phase 19 context session

.planning/STATE.md

@@ -2,12 +2,12 @@
 gsd_state_version: 1.0
 milestone: v1.3
 milestone_name: Research & Decision Tools
-status: planning
-stopped_at: Completed 18-05-PLAN.md
-last_updated: "2026-04-05T11:22:25.312Z"
+status: Ready to discuss/plan
+stopped_at: Phase 19 context gathered
+last_updated: "2026-04-05T18:04:19.312Z"
 last_activity: 2026-04-05
 progress:
-  total_phases: 12
+  total_phases: 13
   completed_phases: 11
   total_plans: 33
   completed_plans: 31
@@ -21,13 +21,13 @@ 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:** v2.0 Platform Foundation — Phase 19 (Reference Item Model & Tags Schema)
 
 ## Current Position
 
-Phase: 18 of 18 (PostgreSQL Migration)
+Phase: 19 of 22 (Reference Item Model & Tags Schema)
 Plan: Not started
-Status: Ready to plan
+Status: Ready to discuss/plan
 Last activity: 2026-04-05
 
 Progress: [----------] 0% (v2.0 milestone)
@@ -67,6 +67,6 @@ None active.
 
 ## Session Continuity
 
-Last session: 2026-04-05T11:20:56.920Z
-Stopped at: Completed 18-05-PLAN.md
-Resume file: None
+Last session: 2026-04-05T18:04:19.310Z
+Stopped at: Phase 19 context gathered
+Resume file: .planning/phases/19-reference-item-model-tags-schema/19-CONTEXT.md