chore: sync skills governance and release 0.5.0

chore(release): publish oh-my-codex-cli v0.2.8

feat: update skills and dedupe omcodex mcp config

Add Codex-native AI testing workflow

fix: configure skills MCP with explicit skill-dir

chore(release): publish oh-my-codex-cli v0.2.4

docs(agents): add ai-commenting invocation guidance

feat(skills): make Agent-KB skills distributable with health checks

feat(skills): add ai-commenting skill and update catalog

feat(setup): install global AGENTS.md by default

chore(release): bump version to 0.2.1

docs(aireview): align deep review to Gemini + Claude Code

fix(config): safe merge for codex config and bump 0.2.0

feat: publish-ready npm package with routing and governance

refactor: rename omx runtime and command to omcodex