chore: fix all ruff lint errors + format — 0 errors, 306 tests pass

app/routes/contacts.py

@@ -29,9 +29,13 @@ async def list_contacts(
     """List contacts with pagination and optional search."""
     tenant_id = uuid.UUID(current_user["tenant_id"])
     result = await contact_service.list_contacts(
-        db, tenant_id,
-        page=page, page_size=page_size,
-        search=search, sort_by=sort_by, sort_order=sort_order,
+        db,
+        tenant_id,
+        page=page,
+        page_size=page_size,
+        search=search,
+        sort_by=sort_by,
+        sort_order=sort_order,
     )
     return result
 
@@ -68,7 +72,9 @@ async def get_contact(
     try:
         cid = uuid.UUID(contact_id)
     except ValueError:
-        raise HTTPException(400, detail={"detail": "Invalid contact_id", "code": "invalid_id"})
+        raise HTTPException(
+            400, detail={"detail": "Invalid contact_id", "code": "invalid_id"}
+        ) from None
 
     data = await contact_service.get_contact_detail(db, tenant_id, cid)
     if data is None:
@@ -94,7 +100,9 @@ async def update_contact(
     try:
         cid = uuid.UUID(contact_id)
     except ValueError:
-        raise HTTPException(400, detail={"detail": "Invalid contact_id", "code": "invalid_id"})
+        raise HTTPException(
+            400, detail={"detail": "Invalid contact_id", "code": "invalid_id"}
+        ) from None
 
     data = body.model_dump(exclude_unset=True)
     result = await contact_service.update_contact(db, tenant_id, user_id, cid, data)
@@ -121,7 +129,9 @@ async def delete_contact(
     try:
         cid = uuid.UUID(contact_id)
     except ValueError:
-        raise HTTPException(400, detail={"detail": "Invalid contact_id", "code": "invalid_id"})
+        raise HTTPException(
+            400, detail={"detail": "Invalid contact_id", "code": "invalid_id"}
+        ) from None
 
     if gdpr:
         deleted = await contact_service.gdpr_hard_delete_contact(db, tenant_id, user_id, cid)