ARC-WC World Cognition MVP v0.20 — Regression Report

All isolated unittest modules passed.
269/269 PASS

Per-module results:
- tests_test_arc_wc: 21/21 PASS (0.007s)
- tests_test_bounded_worker_v08: 13/13 PASS (0.056s)
- tests_test_candidate_lifecycle_v10: 13/13 PASS (0.041s)
- tests_test_certificate_application_v11: 14/14 PASS (0.116s)
- tests_test_durable_loop_v07: 13/13 PASS (1.238s)
- tests_test_event_frontier_v18: 12/12 PASS (14.135s)
- tests_test_heterogeneous_frontier_v19: 13/13 PASS (0.080s)
- tests_test_incremental_cognition_v17: 10/10 PASS (11.925s)
- tests_test_live_cognition_refresh_v16: 11/11 PASS (14.123s)
- tests_test_live_compilableworld_session_v14: 11/11 PASS (12.958s)
- tests_test_live_epoch_and_gcm_v05: 21/21 PASS (0.150s)
- tests_test_live_session_recovery_v15: 8/8 PASS (8.615s)
- tests_test_live_transport_authority_v06: 17/17 PASS (2.397s)
- tests_test_local_composition_v04: 16/16 PASS (0.075s)
- tests_test_native_compilableworld_v13: 17/17 PASS (8.112s)
- tests_test_native_macr_v09: 13/13 PASS (4.997s)
- tests_test_repo_integration: 18/18 PASS (0.039s)
- tests_test_source_registry_v20: 10/10 PASS (0.243s)
- tests_test_world_commit_v12: 18/18 PASS (0.318s)

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