chore: complete v1.1 milestone

.planning/STATE.md

@@ -2,8 +2,8 @@
 gsd_state_version: 1.0
 milestone: v1.1
 milestone_name: Multi-Library Support
-status: unknown
-last_updated: "2026-03-16T17:08:06.848Z"
+status: milestone_complete
+last_updated: "2026-03-16T20:03:38.282Z"
 progress:
   total_phases: 6
   completed_phases: 6
@@ -15,18 +15,17 @@ progress:
 
 ## Project Reference
 
-See: .planning/PROJECT.md (updated 2026-03-08)
+See: .planning/PROJECT.md (updated 2026-03-16)
 
 **Core value:** The music player works reliably and feels solid — every interaction is correct, responsive, and trustworthy.
-**Current focus:** v1.1 Multi-Library Support + Performance Optimization
+**Current focus:** Planning next milestone
 
 ## Current Position
 
-Phase: 13 — Library Views & Phantom Tracks (complete)
-Plan: 2 of 2 in Phase 13 (complete)
-Status: Plan 13-02 complete — library filter UI + all views wired
-Progress: ████████████████████ Phase 13 complete (2/2 plans)
-Last activity: 2026-03-16 — Completed 13-02: library filter dropdown + view wiring
+Milestone: v1.1 Multi-Library Support — COMPLETE (shipped 2026-03-16)
+All phases: 6/6 complete, 18/18 plans executed, 31/31 requirements fulfilled
+Next: Run `/gsd-new-milestone` to plan next milestone
+Last activity: 2026-03-16 — Completed v1.1 milestone archival
 
 ### Phase Overview