0635f15ceb
Phase 9: Boundary layer audit - Metadata is now the typed fat struct (@dataclass(frozen=True, slots=True) with 36 explicit fields) at the wire boundary - Metadata: TypeAlias = dict[str, Any] is REMOVED - Dict-compat methods (__getitem__, get, __contains__, __iter__, keys, values, items) are TEMPORARY migration aids; will be deprecated in follow-up track once all consumers migrated to typed componentized dataclasses - Boundary files documented: api_hooks.py, project_manager.py, session_logger.py, mcp_client.py Phase 8 metrics (after Phases 1 + 3): - Metadata TypeAlias: 1 -> 0 (-100%) - hasattr(f, 'path'): 29 -> 19 (-34%) - -> Optional[T] returns: 30 -> 30 (deferred to Phase 6 follow-up) - Any params: 59 -> 60 (+1; the Metadata dataclass added content: Any) - dict[str, Any] params: 10 -> 11 (+1; similar) Audit gates (all OK): - audit_weak_types --strict: 107 <= 112 baseline - generate_type_registry --check: 23 files in sync - audit_main_thread_imports: OK (17 files) - audit_no_models_config_io: OK (0 violations) - audit_optional_in_3_files --strict: OK - audit_exception_handling --strict: OK - audit_code_path_audit_coverage --strict: OK (10 profiles) Track status: PARTIAL COMPLETION - Phase 1 (Metadata promotion): COMPLETE - Phase 3 partial (hasattr removal in app_controller.py): COMPLETE - Phases 2/3 follow-up/4/5/6/7: DEFERRED (5 follow-up tracks documented) state.toml updated to status = "active", current_phase = 9 with the 5 deferred follow-up tracks enumerated. See TRACK_COMPLETION_cruft_elimination_20260627.md for full report.