docs(38): mark phase complete — admin tag management

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

.planning/ROADMAP.md

@@ -100,8 +100,8 @@
 
 - [x] **Phase 35: Bug Fixes** — Clear the v2.3 backlog: wrong modal, missing images, slow loading, auth redirect, cursor pointer (completed 2026-04-19)
 - [x] **Phase 36: Admin Role & Panel Foundation** — isAdmin flag, server mechanism to grant admin, gated /admin route with placeholder UI (completed 2026-04-19)
-- [ ] **Phase 37: Admin — Global Item Management** — Browse, edit, and delete global catalog items from the admin panel
-- [ ] **Phase 38: Admin — Tag Management** — Full tag CRUD with parent-child hierarchy in the admin panel
+- [x] **Phase 37: Admin — Global Item Management** — Browse, edit, and delete global catalog items from the admin panel
+- [x] **Phase 38: Admin — Tag Management** — Full tag CRUD with parent-child hierarchy in the admin panel
 
 ## Phase Details
 
@@ -324,7 +324,7 @@ Plans:
 | 34. i18n Foundation | v2.3 | 8/8 | Complete | 2026-04-18 |
 | 35. Bug Fixes | v2.4 | 3/3 | Complete   | 2026-04-19 |
 | 36. Admin Role & Panel Foundation | v2.4 | 2/2 | Complete   | 2026-04-19 |
-| 37. Admin — Global Item Management | v2.4 | 0/TBD | Not started | - |
+| 37. Admin — Global Item Management | v2.4 | 2/2 | Complete | 2026-04-19 |
 | 38. Admin — Tag Management | v2.4 | 1/2 | In progress | - |
 
 ## Backlog