HNswered

Launch an adversarial mutation-testing agent (Opus) that injects targeted regressions into production code, runs the test suite, and reports which mutations SURVIVED — surviving mutations are direct evidence of test-coverage gaps. Use when the user says "trickster", "mutation test", "break the code", "can the tests catch regressions", "grade the tests", or after adding production code whose test coverage you're not sure about.

Run a bounded live audit of the extension against multiple HN handles in parallel — Playwright + real Chromium + real HN, time-series snapshots, deterministic divergence analysis. Use when the user asks to "audit", "sit and observe", "live test", or "check whether the extension is correctly tracking real HN activity across multiple users". Bounded by wall time AND request budget — never unbounded.

Launch a Jony Ive–style product design adversary (Opus) to critique UI/UX *within* the project's existing aesthetic constraints. Finds what is graceless, disproportionate, clumsy — in the designer's own voice. Use when the user wants a "design critique", "Jony Ive review", "UI review", or says the interface "needs improvement".

Launch an adversarial bug-hunting code reviewer (Opus) to find real bugs, correctness issues, concurrency hazards, and server/resource abuse risks — not style nits. Use when the user asks for a "red team", "bug hunt", "adversarial review", or at checkpoints during long coding tasks.

Launch an adversarial reviewer (Opus) to find bugs IN THE TEST SUITE — tautological assertions, weak oracles, shim/mock lies, stale fixtures, coverage gaps, clock-mock pitfalls. Use when the user says "red team the tests", "audit the tests", "are our tests any good", "find weak tests", or after adding a large batch of tests that needs scrutiny.