fix: ruff lint + format fixes in tests, ESLint fixes in frontend

backend/tests/test_copilot.py

@@ -3,17 +3,12 @@
 import base64
 import json
 import uuid
-from unittest.mock import AsyncMock, MagicMock, patch
+from unittest.mock import AsyncMock, patch
 
 import pytest
 import pytest_asyncio
-from httpx import ASGITransport, AsyncClient
 
-from app.database import Base, get_db
-from app.main import app
-from app.models.copilot import CopilotChat, CopilotRole, CopilotSession
-from app.models.user import User, UserRole
-from app.services.auth_service import hash_password
+from app.models.copilot import CopilotChat
 
 
 @pytest_asyncio.fixture
@@ -37,10 +32,12 @@ async def sample_vehicle_data():
 
 def _mock_chat_json(response_text: str, actions: list | None = None) -> str:
     """Build a JSON response string as the AI would return."""
-    return json.dumps({
-        "response": response_text,
-        "actions": actions or [],
-    })
+    return json.dumps(
+        {
+            "response": response_text,
+            "actions": actions or [],
+        }
+    )
 
 
 def _patch_openrouter_chat(content: str):
@@ -188,7 +185,9 @@ class TestCopilotAction:
     """POST /api/v1/copilot/action tests."""
 
     @pytest.mark.asyncio
-    async def test_action_search_vehicles_returns_200(self, admin_client, sample_vehicle_data):
+    async def test_action_search_vehicles_returns_200(
+        self, admin_client, sample_vehicle_data
+    ):
         """POST /copilot/action with search_vehicles returns 200 + results."""
         # First create a vehicle
         await admin_client.post("/api/v1/vehicles/", json=sample_vehicle_data)
@@ -311,7 +310,7 @@ class TestCopilotHistory:
                 "/api/v1/copilot/chat",
                 json={"message": "Session 1 message"},
             )
-            resp2 = await admin_client.post(
+            await admin_client.post(
                 "/api/v1/copilot/chat",
                 json={"message": "Session 2 message"},
             )
@@ -332,16 +331,21 @@ class TestCopilotVoice:
     """POST /api/v1/copilot/voice tests."""
 
     @pytest.mark.asyncio
-    async def test_voice_returns_200_with_transcription_and_response(self, admin_client):
+    async def test_voice_returns_200_with_transcription_and_response(
+        self, admin_client
+    ):
         """POST /copilot/voice returns 200 with transcription + chat response."""
         mock_content = _mock_chat_json("Ich helfe dir bei der Suche.", [])
         audio_b64 = base64.b64encode(b"fake-audio-data").decode("utf-8")
 
-        with patch(
-            "app.services.copilot_service.transcribe_audio",
-            new_callable=AsyncMock,
-            return_value="Zeige alle LKWs",
-        ), _patch_openrouter_chat(mock_content):
+        with (
+            patch(
+                "app.services.copilot_service.transcribe_audio",
+                new_callable=AsyncMock,
+                return_value="Zeige alle LKWs",
+            ),
+            _patch_openrouter_chat(mock_content),
+        ):
             response = await admin_client.post(
                 "/api/v1/copilot/voice",
                 json={"audio": audio_b64, "mime_type": "audio/webm"},
@@ -385,10 +389,12 @@ class TestCopilotServiceUnit:
         """_parse_ai_response correctly parses valid JSON."""
         from app.services.copilot_service import _parse_ai_response
 
-        raw = json.dumps({
-            "response": "Ich suche LKWs.",
-            "actions": [{"type": "search_vehicles", "params": {"type": "lkw"}}],
-        })
+        raw = json.dumps(
+            {
+                "response": "Ich suche LKWs.",
+                "actions": [{"type": "search_vehicles", "params": {"type": "lkw"}}],
+            }
+        )
         result = _parse_ai_response(raw)
         assert result["response"] == "Ich suche LKWs."
         assert len(result["actions"]) == 1
@@ -398,10 +404,16 @@ class TestCopilotServiceUnit:
         """_parse_ai_response handles markdown code fences."""
         from app.services.copilot_service import _parse_ai_response
 
-        raw = "```json\n" + json.dumps({
-            "response": "Test",
-            "actions": [],
-        }) + "\n```"
+        raw = (
+            "```json\n"
+            + json.dumps(
+                {
+                    "response": "Test",
+                    "actions": [],
+                }
+            )
+            + "\n```"
+        )
         result = _parse_ai_response(raw)
         assert result["response"] == "Test"
         assert result["actions"] == []
@@ -419,14 +431,16 @@ class TestCopilotServiceUnit:
         """_parse_ai_response filters out invalid action structures."""
         from app.services.copilot_service import _parse_ai_response
 
-        raw = json.dumps({
-            "response": "Test",
-            "actions": [
-                {"type": "search_vehicles", "params": {}},
-                {"invalid": "no type"},
-                "not a dict",
-            ],
-        })
+        raw = json.dumps(
+            {
+                "response": "Test",
+                "actions": [
+                    {"type": "search_vehicles", "params": {}},
+                    {"invalid": "no type"},
+                    "not a dict",
+                ],
+            }
+        )
         result = _parse_ai_response(raw)
         assert len(result["actions"]) == 1
         assert result["actions"][0]["type"] == "search_vehicles"