cases4

1. 2026-10-14 Valid structured output preserves the source vocabulary

   now fails loudly A sparse normalization fixture must still deliver every short-source label to extraction, and phrase lemmas cannot collapse onto one base word.

   BehavioralStructuralSchema ValidatorIntegration Tests

2. 2026-10-14 A self-hosted CI runner has no dependency on the public internet

   now fails loudly A scheduled probe resolves the action registry hostname and reports the DNS error by name; a fallback public resolver removes the single point of failure.

   RuntimeStructuralSynthetic MonitoringObservability Events

3. 2026-10-07 A placeholder written for a reader was a broken link the site's own checker followed

   now fails loudly a build gate fails when generated text carries a literal <...> placeholder inside an http(s) URL, so a placeholder cannot ship as a 404-ing link on the site's own domain

   StructuralTest EffectivenessPre-Promotion Invariant GatesSnapshot Tests

4. 2026-09-12 YAML frontmatter with a colon-space in a scalar value is a mapping

   now fails loudly Every SKILL.md frontmatter is parsed as YAML by a test; a frontmatter block that does not parse fails CI.

   StructuralRuntimeSchema Validator