feat: room history tab + tech task resolution comment

- RoomModal: new "История" tab showing all housekeeping and maintenance tasks for the room
  - Groups tasks by date (newest first), expandable cards
  - Shows: assignee, start time, end time, duration (started_at → completed_at)
  - For maintenance: description, problem/solution photos with lightbox viewer
  - Timing grid: start / completion timestamps
- Backend GET /housekeeping: add room_id filter param
- TechnicalPage CompletionModal: add resolution comment field saved to task notes
- api.ts: housekeeping.list() accepts roomId param

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

src/lib/api.ts

@@ -215,11 +215,12 @@ export const api = {
 
   // ── Housekeeping ──────────────────────────────────────────────────────────
   housekeeping: {
-    list: (slug: string, params?: { date?: string; status?: string; category?: string }) => {
+    list: (slug: string, params?: { date?: string; status?: string; category?: string; roomId?: string }) => {
       const qs = new URLSearchParams()
       if (params?.date) qs.set('date', params.date)
       if (params?.status) qs.set('status', params.status)
       if (params?.category) qs.set('category', params.category)
+      if (params?.roomId) qs.set('room_id', params.roomId)
       const q = qs.toString()
       return req<HousekeepingTask[]>('GET', `/api/hotels/${slug}/housekeeping${q ? `?${q}` : ''}`)
     },