feat: Phase 4 - SQL AST analyzer, audit rules CRUD, Alembic, Docker (128 tests)

backend/tests/conftest.py

@@ -11,6 +11,7 @@ from app.models.user import User
 from app.models.instance import Instance
 from app.models.ticket import Ticket
 from app.models.audit_log import AuditLog
+from app.models.audit_rule import AuditRule
 
 SQLALCHEMY_DATABASE_URL = "sqlite+aiosqlite://"