Brace groups like {ts,js,mjs} were being escaped literally, which prevented extension-list path patterns from matching. The glob parser now expands balanced brace groups into recursive regex alternations while preserving literal braces when no alternation is present.
Verified: bun test tests/patterns.test.ts
Verified: bun test tests/fuzz-glob.test.ts
Verified: bun test tests/hook-sync.test.ts
Verified: bun test tests/pretooluse-skill-inject.test.ts -t "matches src/middleware\.(mjs|mts) to routing-middleware skill"
Swarm-Agent: codex-brace-expand
Extract glob-to-regex and seen-skills file utilities into hooks/patterns.mjs
for reuse across the PreToolUse hook and validation script. Add
validateSkillMap to skill-map-frontmatter.mjs. Expand plugin tags for
chat-sdk/bot variants. Comprehensive tests for all new modules.
John Lindquist