test: update existing test suites for refactored codebase

- test_api_attackers.py: update for BaseRepository interface
- test_attacker_worker.py: full test suite for worker logic (formerly in module)
- test_base_repo.py: repository interface conformance tests
- test_cli.py: CLI enhancements (randomize-services, selective deployment)
- test_service_isolation.py: isolation validation tests
- api/conftest.py: fixture updates for RBAC-gated endpoints
- live/test_service_isolation_live.py: live integration tests

tests/live/test_service_isolation_live.py

@@ -36,7 +36,7 @@ from decnet.collector.worker import (  # noqa: E402
     is_service_container,
 )
 from decnet.web.ingester import log_ingestion_worker  # noqa: E402
-from decnet.web.attacker_worker import (  # noqa: E402
+from decnet.profiler.worker import (  # noqa: E402
     attacker_profile_worker,
     _WorkerState,
     _incremental_update,