T08c: Frontend Mail UI + Global Search UI — 44 tests, tsc clean, vite build pass

- Mail page: 3-pane layout (folder tree + mail list + reading pane)
- Compose modal: rich text editor (bold/italic/link), template picker, reply/forward pre-fill
- Mail settings: accounts, signatures, rules, labels, vacation, PGP (6 tabs)
- Shared mailbox selector: switch between personal + shared accounts
- Mail search bar + attachment download + create-event-from-mail
- Global search: tabs for companies/contacts/mails/files/events
- Search autocomplete in TopBar (existing SearchDropdown)
- API client: mail.ts (all endpoints)
- Routes: /mail, /mail/settings
- i18n: de.json + en.json mail + search translations
- 44 new tests (4 test files), full regression 318/318 pass
- tsc --noEmit: 0 errors, vite build: 267 modules

.a0/worklog.md

@@ -154,3 +154,15 @@
 - **Ruff:** 0 errors, format clean
 - **Commit:** f646c59
 - **Risks:** Coverage 74.56% (target 80%), ILIKE fallback instead of tsvector, ARQ worker not wired
+
+## 2026-07-01 16:54 — T08a: Frontend DMS + Tags + Permissions UI Complete
+- **18 neue Dateien, 6 modified** — 3368 Zeilen
+- **DMS:** File browser (folder tree + file grid), upload dropzone, preview modal, share dialog, bulk actions, trash view
+- **Tags:** TagPicker, TagCloud, BulkTagDialog — integriert in CompanyDetail + ContactDetail
+- **Permissions:** Share dialog, public share links, permission display
+- **API clients:** dms.ts, tags.ts, permissions.ts
+- **Routes:** /dms, /dms/trash
+- **i18n:** de.json + en.json translations
+- **Tests:** 33/33 new tests pass, full regression 276/276 pass
+- **tsc:** 0 errors, **vite build:** 252 modules, 3.31s
+- **Commit:** 0962f3a