beast-mode(qa): regression sweep #54 — micro verify, all green at HEAD 4040988

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

Author: DevOpsMadDog

docs/regression_status_2026-05-05.md

@@ -622,3 +622,4 @@ Delta vs sweep #25: 0 regressions. Doc-only commits validated clean.
 | #51 | 2026-05-05 | test_phase4_integration.py | 23/23 | PASS | 5131f7a0 |
 | #52 | 2026-05-05 | test_phase4_integration.py | 23/23 | PASS | acd9cdc0 |
 | #53 | 2026-05-05 | test_phase4_integration.py | 23/23 | PASS | abef85e5 |
+| #54 | 2026-05-05 | test_phase4_integration.py | 23/23 | PASS | 0.45s |