docs(11-03): complete device-site assignment UI plan

- SUMMARY.md with task commits, decisions, and metrics
- STATE.md updated: Phase 11 complete (3/3 plans)
- ROADMAP.md progress updated
- Requirements SITE-03, SITE-04, SITE-05 marked complete

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

.planning/STATE.md

@@ -2,14 +2,14 @@
 gsd_state_version: 1.0
 milestone: v9.7
 milestone_name: Tower & Site Management
-status: unknown
-stopped_at: Completed 11-02-PLAN.md
-last_updated: "2026-03-19T02:47:05Z"
+status: phase-complete
+stopped_at: Completed 11-03-PLAN.md
+last_updated: "2026-03-19T02:53:16Z"
 progress:
   total_phases: 5
-  completed_phases: 0
+  completed_phases: 1
   total_plans: 3
-  completed_plans: 2
+  completed_plans: 3
 ---
 
 # Project State
@@ -23,8 +23,8 @@ See: .planning/PROJECT.md (updated 2026-03-18)
 
 ## Current Position
 
-Phase: 11 (site-data-model-foundation) — EXECUTING
-Plan: 3 of 3
+Phase: 11 (site-data-model-foundation) — COMPLETE
+Plan: 3 of 3 (all complete)
 
 ## Performance Metrics
 
@@ -44,6 +44,7 @@ Plan: 3 of 3
 
 | Phase 11 P01 | 3min | 2 tasks | 9 files |
 | Phase 11 P02 | 6min | 3 tasks | 8 files |
+| Phase 11 P03 | 3min | 2 tasks | 5 files |
 
 ### Decisions
 
@@ -55,6 +56,8 @@ Decisions are logged in PROJECT.md Key Decisions table.
 - [Phase 11]: alert_count set to 0 with TODO -- alert_events integration deferred to avoid coupling
 - [Phase 11]: Site detail page kept minimal (info + stats) -- full dashboard deferred to Phase 14
 - [Phase 11]: Used Dialog for delete confirmation (no AlertDialog component in UI library)
+- [Phase 11]: Site column placed after Model in fleet table for logical grouping
+- [Phase 11]: Viewers see site name text, operators get Select dropdown for assignment
 
 ### Pending Todos
 
@@ -68,6 +71,6 @@ None yet.
 
 ## Session Continuity
 
-Last session: 2026-03-19T02:47:05Z
-Stopped at: Completed 11-02-PLAN.md
+Last session: 2026-03-19T02:53:16Z
+Stopped at: Completed 11-03-PLAN.md (Phase 11 complete)
 Resume file: None