Phase 7: End-to-End API Testing - Database setup, migrations, and application fixes

- Switched from psycopg2 to asyncpg for async SQLAlchemy support
- Fixed router registration in main.py - removed duplicate prefixes
- Added user_data export to routers/__init__.py
- Refactored decks router to use DeckManager service layer
- Integrated FuzzyCardMatcher into card_router search endpoints
- Made WishlistCreate.card_id optional for proper schema validation
- Set PostgreSQL password and configured scram-sha-256 auth
- Updated alembic.ini to use local PostgreSQL instead of Docker hostname
- Created generic_schemas.py for reusable schema patterns
- Added test_routers.py and test_schema_validation.py test files
- All 6 Alembic migrations applied successfully (37 tables created)
- Application running on port 8000 with all services connected

backend/app/routers/user_data.py

@@ -19,14 +19,23 @@ from app.models.user_data import (
     UserGroup, GroupMember, GroupChatMessage, UserNetwork,
     NetworkMember, UserPreference, UserActivityLog
 )
+from app.schemas.user_card_collection import (
+    CardCollectionCreate,
+    CardCollectionUpdate,
+    CardCollectionResponse,
+    CardCollectionListResponse,
+    WishlistCreate,
+    WishlistUpdate,
+    WishlistResponse,
+    WishlistListResponse,
+)
+from app.schemas.generic_schemas import MessageResponse, CountResponse, ErrorDetail
 from app.schemas.user_data_schemas import (
     SessionCleanupResponse,
     DeckVersionCreate, DeckVersionUpdate, DeckVersionResponse, DeckVersionListResponse,
     GameReplayCreate, GameReplayUpdate, GameReplayResponse, GameReplayListResponse,
     GameOutcomeCreate, GameOutcomeResponse, GameOutcomeListResponse,
     UserStatisticsResponse, StatisticsUpdateResponse,
-    CardCollectionCreate, CardCollectionUpdate, CardCollectionResponse, CardCollectionListResponse,
-    WishlistCreate, WishlistUpdate, WishlistResponse, WishlistListResponse,
     GroupCreate, GroupUpdate, GroupResponse, GroupListResponse,
     GroupMemberCreate, GroupMemberUpdate, GroupMemberRemove,
     GroupChatMessageCreate, GroupChatMessageResponse, GroupChatMessageListResponse,
@@ -34,7 +43,6 @@ from app.schemas.user_data_schemas import (
     NetworkMemberCreate,
     UserPreferenceUpdate, UserPreferenceResponse,
     ActivityLogEntry, ActivityLogListResponse,
-    MessageResponse, CountResponse, ErrorDetail
 )
 
 router = APIRouter()