feat(packages): add pull_request_template.md

packages/omo-codex/plugin/components/comment-checker/.github/pull_request_template.md

@@ -0,0 +1,19 @@
+## Summary
+
+<!-- Brief description, 1-3 bullets -->
+
+-
+
+## Verification
+
+- [ ] `npm run check` (typecheck + biome + build)
+- [ ] `npm test` (unit tests)
+- [ ] `npm pack --dry-run` (release sanity)
+- [ ] Hook smoke-tested locally with `node dist/cli.js hook post-tool-use`
+
+## Codex plugin impact
+
+- [ ] `.codex-plugin/plugin.json` remains valid
+- [ ] `hooks/hooks.json` still uses stable Codex hook JSON
+- [ ] No MCP server or MCP tool is exposed
+- [ ] CHANGELOG entry added for user-facing changes