[INTEGRATION] Achieve 10/10 integration score

✅ All 3 V2 tasks completed:
- INT-V2-001: Fixed legacy auth store reference
- INT-V2-002: Use TrackStatus enum in types/api.ts
- INT-V2-003: Updated documentation with id: string

Integration score: 8.5/10 → 10/10
All 35 tasks completed (32 initial + 3 V2)

VEZA_INTEGRATION_V2_TODOLIST.json

@@ -10,7 +10,7 @@
       "included": ["apps/web/", "veza-backend-api/"],
       "excluded": ["veza-chat-server/", "veza-stream-server/"]
     },
-    "current_score": "8.5/10",
+    "current_score": "10/10",
     "target_score": "10/10"
   },
   "summary": {
@@ -18,7 +18,7 @@
       "P0_blocker": 0,
       "P1_critical": 0,
       "P2_major": 0,
-      "P3_minor": 3
+      "P3_minor": 0
     },
     "total_tasks": 3,
     "estimated_hours": 0.5
@@ -31,7 +31,8 @@
       "description": "Remplacer require('@/stores/auth') par @/features/auth/store/authStore dans utils/stateInvalidation.ts",
       "priority": "P3",
       "priority_rank": 1,
-      "status": "pending",
+      "status": "completed",
+      "completed_at": "2025-01-27T00:00:00Z",
       "estimated_hours": 0.08,
       "side": "frontend_only",
       "files_to_modify": [
@@ -59,7 +60,8 @@
       "description": "Remplacer le string literal 'uploading' | 'processing' | 'completed' | 'failed' par l'enum TrackStatus dans types/api.ts",
       "priority": "P3",
       "priority_rank": 2,
-      "status": "pending",
+      "status": "completed",
+      "completed_at": "2025-01-27T00:00:00Z",
       "estimated_hours": 0.17,
       "side": "frontend_only",
       "files_to_modify": [
@@ -88,7 +90,8 @@
       "description": "Corriger les exemples dans README.md et Table.test.tsx pour utiliser id: string au lieu de id: number",
       "priority": "P3",
       "priority_rank": 3,
-      "status": "pending",
+      "status": "completed",
+      "completed_at": "2025-01-27T00:00:00Z",
       "estimated_hours": 0.25,
       "side": "frontend_only",
       "files_to_modify": [
@@ -114,8 +117,8 @@
   ],
   "progress_tracking": {
     "total_tasks": 3,
-    "completed": 0,
-    "completion_percentage": 0
+    "completed": 3,
+    "completion_percentage": 100
   }
 }