ci: align backend lint checks

tests/test_api_health.py

@@ -13,7 +13,6 @@ Postgres / MinIO / OpenSearch / Qdrant / Redis. Verifies:
 from __future__ import annotations
 
 import pytest
-
 from fastapi.testclient import TestClient
 
 from app.api.schemas import ComponentHealth

tests/test_api_security.py

@@ -5,10 +5,8 @@ from __future__ import annotations
 import importlib
 
 import pytest
-
 from fastapi.testclient import TestClient
 
-
 KEY = "test-secret-key-DO-NOT-USE-IN-PROD"
 
 
@@ -82,9 +80,9 @@ def test_protected_route_rejects_missing_key(secured_app, monkeypatch):
 
 
 def test_protected_route_accepts_x_api_key_header(secured_app, monkeypatch):
+    from app.api.schemas import SearchResponse
     from app.config import settings
     from app.indexing import hybrid_search
-    from app.api.schemas import SearchResponse
 
     monkeypatch.setattr(
         hybrid_search,
@@ -114,9 +112,9 @@ def test_protected_route_accepts_x_api_key_header(secured_app, monkeypatch):
 
 
 def test_protected_route_accepts_bearer_token(secured_app, monkeypatch):
+    from app.api.schemas import SearchResponse
     from app.config import settings
     from app.indexing import hybrid_search
-    from app.api.schemas import SearchResponse
 
     monkeypatch.setattr(
         hybrid_search,

tests/test_routes_search.py

@@ -10,7 +10,6 @@ from __future__ import annotations
 import uuid
 
 import pytest
-
 from fastapi.testclient import TestClient
 
 from app.api.schemas import (