feat: add Taktik time tracking app with full MVP

New app for professional time tracking with timer, projects, clients,
and reports. Local-first architecture with IndexedDB + mana-sync.

- Timer store with start/stop/resume, auto-save every 10s
- 6 local-store collections: clients, projects, timeEntries, tags, templates, settings
- TimerCard with live counter, project selector, billable toggle
- EntryItem with inline-expand editing, EntryList with day grouping
- EntryForm modal with quick-duration buttons (15m-4h)
- QuickStart pills from recent entries
- Projects page: card grid, color coding, budget progress, inline CRUD
- Clients page: billing rates, project rollup, inline CRUD
- Reports page: stats grid, billable breakdown, project/daily charts
- i18n: German + English
- Registered in shared-branding with icon, URLs, dev scripts
- Guest seed: 2 clients, 3 projects, 5 time entries, 4 tags

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

package.json

@@ -117,6 +117,9 @@
 		"dev:tags-test": "./scripts/setup-databases.sh todo && ./scripts/setup-databases.sh calendar && ./scripts/setup-databases.sh contacts && ./scripts/setup-databases.sh auth && concurrently -n auth,todo-be,todo-web,cal-be,cal-web,con-be,con-web -c blue,green,cyan,yellow,magenta,red,white \"pnpm dev:auth\" \"pnpm dev:todo:backend\" \"pnpm dev:todo:web\" \"pnpm dev:calendar:backend\" \"pnpm dev:calendar:web\" \"pnpm dev:contacts:backend\" \"pnpm dev:contacts:web\"",
 		"inventar:dev": "turbo run dev --filter=inventar...",
 		"dev:inventar:web": "pnpm --filter @inventar/web dev",
+		"taktik:dev": "turbo run dev --filter=taktik...",
+		"dev:taktik:web": "pnpm --filter @taktik/web dev",
+		"dev:taktik:full": "concurrently -n auth,sync,web -c blue,magenta,cyan \"pnpm dev:auth\" \"pnpm dev:sync\" \"pnpm dev:taktik:web\"",
 		"moodlit:dev": "turbo run dev --filter=moodlit...",
 		"dev:moodlit:mobile": "pnpm --filter @moodlit/mobile dev",
 		"dev:moodlit:web": "pnpm --filter @moodlit/web dev",