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

tests/test_companies.py

@@ -5,7 +5,7 @@ from __future__ import annotations
 import pytest
 from httpx import AsyncClient
 
-from tests.conftest import ORIGIN_HEADER, seed_tenant_and_users, login_client
+from tests.conftest import ORIGIN_HEADER, login_client, seed_tenant_and_users
 
 
 @pytest.mark.asyncio
@@ -186,7 +186,7 @@ class TestCompanyDelete:
             json={"first_name": "John", "last_name": "Doe", "company_ids": [company_id]},
             headers=ORIGIN_HEADER,
         )
-        contact_id = cont_resp.json()["id"]
+        cont_resp.json()["id"]
         # Verify link exists
         detail_resp = await client.get(f"/api/v1/companies/{company_id}", headers=ORIGIN_HEADER)
         assert len(detail_resp.json()["contacts"]) == 1
@@ -318,7 +318,9 @@ class TestCompanyAuditAndSoftDelete:
     async def test_audit_log_on_company_create(self, client: AsyncClient, db_session):
         """AC 23: Audit log entry on every company/contact mutation."""
         from sqlalchemy import select
+
         from app.models.audit import AuditLog
+
         await seed_tenant_and_users(db_session)
         await login_client(client, "admin@tenanta.com")
         await client.post(