docs(14-02): complete directory browse UI plan

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

.planning/STATE.md

@@ -3,14 +3,14 @@ gsd_state_version: 1.0
 milestone: v2.2
 milestone_name: Report Branding & User Directory
 status: completed
-stopped_at: Completed 14-01-PLAN.md
-last_updated: "2026-04-09T07:27:37.598Z"
+stopped_at: Completed 14-02-PLAN.md
+last_updated: "2026-04-09T07:30:58.818Z"
 last_activity: 2026-04-08 — Phase 11 planning completed
 progress:
   total_phases: 5
-  completed_phases: 4
+  completed_phases: 5
   total_plans: 14
-  completed_plans: 13
+  completed_plans: 14
 ---
 
 # Project State
@@ -72,6 +72,8 @@ Decisions are logged in PROJECT.md Key Decisions table.
 - [Phase 13]: Directory always fetches with includeGuests=true from Graph; member/guest filtering is in-memory via ICollectionView
 - [Phase 13]: Separate _directoryCts for directory load cancellation (independent from base class _cts)
 - [Phase 14]: SelectDirectoryUserCommand does not clear SearchQuery/SearchResults since it operates in browse mode context
+- [Phase 14]: Used DataTrigger inverse visibility for search panel instead of ConverterParameter=Inverse
+- [Phase 14]: Used plain English DataGrid column headers -- DataGridTextColumn.Header binding is unreliable in WPF
 
 ### Pending Todos
 
@@ -86,7 +88,7 @@ None.
 
 ## Session Continuity
 
-Last session: 2026-04-09T07:27:37.596Z
-Stopped at: Completed 14-01-PLAN.md
+Last session: 2026-04-09T07:30:58.816Z
+Stopped at: Completed 14-02-PLAN.md
 Resume file: None
 Next step: `/gsd:execute-phase 11`