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Shrinath RaoandClaude Opus 4.8
900ebe67c6
## The problem (from the #12719 review) The pipeline's only hard gate was **"the Healer's authoritative run is green."** That objective *rewards* making a spec pass by gutting the assertions that test the feature. In #12719 the result was a suite that: - dropped the fix-query-card assertion, - asserted `count >= 0` (a tautology), - buried real assertions inside `if`s whose `else` just logs, and - **asserted the feature is absent** (`expectFixQueryCardNotVisible`) — certifying a half-built feature and set to **turn red when the feature is finished**. > A passing test and a valuable test are different things, and we only measured the first. This PR makes **"done" mean "the tests would fail if the feature were broken."** ## Deterministic backbone (no LLM) — `.github/scripts/assert_integrity.py` The most important guards don't depend on the model behaving: - **Diff-aware heal guard** — snapshot the spec's assertions *before* healing; **reject** any heal that **deleted**, **inverted** (`toBeVisible` → `not.toBeVisible`), or **skipped** assertions to reach green. - **Static anti-patterns** — tautologies (`count >= 0`, `expect(true)`) and **conditional-only** tests (every `expect` inside an `if` → the test can pass asserting nothing). - Conservative by design (only high-confidence patterns) — a gate with false positives gets disabled by humans. Restored from a **trusted ref** in verify_heal (never the PR tree's copy). ## Workflow - New **Assertion-integrity gate** after the authoritative run + a combined **Quality gate decision** (integrity **+** Sentinel verdict). `pr_back` now requires `quality_status == pass` → a green-but-worthless spec **never becomes a PR**. - The post-heal **Sentinel re-audit now feeds the blocking gate** (was advisory-only). LLM flakiness fails **open**; the deterministic gate is the hard teeth. - **`feature-incomplete`** honest exit: when a test can't pass because the feature isn't wired, the Healer parks it `test.fixme` + writes **evidence**; the workflow opens **no PR** and posts the gap (file:line) on the source PR — the single highest-value output. - `pr_back` **reconciles `test-summary.json` against the FINAL spec** (drops phantom rows) so the PR body can't claim tests that don't exist. ## Prompts - **Healer:** hard anti-weakening rules + the `feature-incomplete` honest exit. - **Sentinel:** tautology / conditional-only / negative-only-on-feature / name-mismatch as **CRITICAL** checks. - **Engineer:** no dead page-object scaffolding; ban `waitForTimeout` as a sync primitive; assertions must be real and match the test name. - **Architect:** one spec = one area (no Frankenstein specs); de-duplicate scenarios. ## Considered and deferred: mutation-sanity (extra feature-absent build) Theoretically the cleanest definition of a valuable test, but **dropped for now**: it overlaps the cheap static checks, has **no clean "feature-absent" baseline** under merged/multi-PR input, risks false positives that erode trust, and doubles the build. The static guards catch the same #12719 failures at near-zero cost; prevention (Healer can't invert + honest `feature-incomplete`) beats the expensive detector. ## Testing - `assert_integrity.py` unit-tested against tautology / conditional-only (incl. single-line) / heal-removed / heal-inverted fixtures, with no false positive on a legit `if` + unconditional `expect`. - Workflow YAML validated; analyzer compiles. - **First live run still needed** (per the project's "run the path before done" rule) — to see the gate block a real weak spec and the `feature-incomplete` comment fire. Stacked on #12716 (ENT sister flow); the diff collapses to just the quality program once #12716 lands. 🤖 Generated with [Claude Code](https://claude.com/claude-code) --------- Co-authored-by: Claude Opus 4.8 <noreply@anthropic.com>