ARC-WC World Cognition MVP v0.19 — Regression Report

All isolated unittest modules passed.
259/259 PASS

Per-module results:
- tests_test_arc_wc: 21/21 PASS (0.007s)
- tests_test_bounded_worker_v08: 13/13 PASS (0.034s)
- tests_test_candidate_lifecycle_v10: 13/13 PASS (0.049s)
- tests_test_certificate_application_v11: 14/14 PASS (0.122s)
- tests_test_durable_loop_v07: 13/13 PASS (1.113s)
- tests_test_event_frontier_v18: 12/12 PASS (11.194s)
- tests_test_heterogeneous_frontier_v19: 13/13 PASS (0.066s)
- tests_test_incremental_cognition_v17: 10/10 PASS (9.729s)
- tests_test_live_cognition_refresh_v16: 11/11 PASS (10.664s)
- tests_test_live_compilableworld_session_v14: 11/11 PASS (9.989s)
- tests_test_live_epoch_and_gcm_v05: 21/21 PASS (0.068s)
- tests_test_live_session_recovery_v15: 8/8 PASS (7.130s)
- tests_test_live_transport_authority_v06: 17/17 PASS (2.313s)
- tests_test_local_composition_v04: 16/16 PASS (0.066s)
- tests_test_native_compilableworld_v13: 17/17 PASS (7.329s)
- tests_test_native_macr_v09: 13/13 PASS (4.077s)
- tests_test_repo_integration: 18/18 PASS (0.032s)
- tests_test_world_commit_v12: 18/18 PASS (0.210s)

Execution note:
- 18 unittest modules were executed independently with bounded parallelism.
- Every module returned a successful unittest result.
- The unrelated artifact_tool spreadsheet warmup warning, when present in Python startup stderr, is not a test failure.
