docs(09-02): complete weight breakdown visualization plan

- Create 09-02-SUMMARY.md with execution results
- Update STATE.md with completion status and decisions
- Mark CLAS-02, VIZZ-01, VIZZ-02, VIZZ-03 requirements complete

.planning/STATE.md

@@ -2,16 +2,16 @@
 gsd_state_version: 1.0
 milestone: v1.2
 milestone_name: Collection Power-Ups
-status: in-progress
-stopped_at: Completed 09-01-PLAN.md
-last_updated: "2026-03-16T14:13:32Z"
-last_activity: 2026-03-16 -- Completed 09-01 classification schema and badge
+status: completed
+stopped_at: Completed 09-02-PLAN.md
+last_updated: "2026-03-16T14:22:28.171Z"
+last_activity: 2026-03-16 -- Completed 09-02 weight breakdown visualization
 progress:
   total_phases: 3
-  completed_phases: 2
+  completed_phases: 3
   total_plans: 6
-  completed_plans: 5
-  percent: 83
+  completed_plans: 6
+  percent: 100
 ---
 
 # Project State
@@ -21,16 +21,16 @@ progress:
 See: .planning/PROJECT.md (updated 2026-03-16)
 
 **Core value:** Make it effortless to manage gear and plan new purchases -- see how a potential buy affects your total setup weight and cost before committing.
-**Current focus:** Phase 9 in progress -- weight classification and visualization
+**Current focus:** Milestone v1.2 complete -- all phases finished
 
 ## Current Position
 
 Phase: 9 of 9 (Weight Classification & Visualization)
-Plan: 1 of 2
-Status: In Progress
-Last activity: 2026-03-16 -- Completed 09-01 classification schema and badge
+Plan: 2 of 2
+Status: Complete
+Last activity: 2026-03-16 -- Completed 09-02 weight breakdown visualization
 
-Progress: [█████████░] 83%
+Progress: [██████████] 100%
 
 ## Accumulated Context
 
@@ -54,6 +54,7 @@ Progress: [█████████░] 83%
 - [Phase 09]: ClassificationBadge uses simple click-to-cycle (not popup) since only 3 values
 - [Phase 09]: Classification stored on setupItems join table so same item can differ across setups
 - [Phase 09]: syncSetupItems preserves classifications via Map before delete/restore after re-insert
+- [Phase 09]: Recharts v3 Cell component used for per-slice colors (still functional, deprecated for v4)
 
 ### Pending Todos
 
@@ -65,6 +66,6 @@ None active.
 
 ## Session Continuity
 
-Last session: 2026-03-16T14:13:32Z
-Stopped at: Completed 09-01-PLAN.md
+Last session: 2026-03-16T14:22:28.169Z
+Stopped at: Completed 09-02-PLAN.md
 Resume file: None