HMYDK 4190de3d64 fix(skills): quote description values in built-in SKILL.md YAML frontmatter (#3852) ...

Built-in SKILL.md description values contained unquoted ': ' sequences, which strict YAML parsers (e.g. Codex) reject — silently dropping the skill at load.

- Quote all eight built-in skill descriptions.
- ensureSkillFrontmatter() re-synthesizes frontmatter that has a name but fails YAML validation, so malformed imports are repaired instead of dropped.
- Unify frontmatter delimiter parsing into a single frontmatterParts helper.
- Add strict-YAML regression tests over the built-in skills, plus unit tests for the recovery branch and delimiter variants.

Closes #3851.

2026-06-08 13:10:24 +08:00

24 KiB

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