`[2026-06-19]` **heid-code-review pulled MORE weight than its own "marginal" self-assessment.** The panel returned zero drift, but its single test-fidelity finding CASCADED into 2 real latent-bug fixes when applied (the memory `check_same_thread` bug + Regin's op-feed field-name bug). **Lesson: a contract-fidelity nudge can transitively expose bugs the test never reached — don't dismiss a "marginal" finding by its count.**