Add 5 pi extensions: pi-subagents, pi-crew, rpiv-pi, pi-interactive-shell, pi-intercom

extensions/pi-crew/docs/publishing.md

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+# Publishing pi-crew
+
+This package is published as the scoped public npm package:
+
+```text
+pi-crew
+```
+
+Before publishing to npm:
+
+1. Confirm package metadata in `package.json`:
+   - `author`
+   - `repository`
+   - `homepage`
+   - `bugs`
+   - `publishConfig.access = public`
+2. Confirm license and notices:
+   - keep `LICENSE`
+   - keep `NOTICE.md`
+   - document copied/adapted MIT source if any substantial code is ported
+3. Run checks:
+
+```bash
+npm run check
+```
+
+4. Verify package contents:
+
+```bash
+npm pack --dry-run
+```
+
+5. Verify local install in Pi:
+
+```bash
+pi install ./pi-crew
+/team-doctor
+/team-validate
+```
+
+6. Publish when ready:
+
+```bash
+npm publish --access public
+```
+
+Users can install the published package with:
+
+```bash
+pi install npm:pi-crew
+```
+
+## Config schema
+
+The package exports:
+
+```text
+./schema.json
+```
+
+Use this for editor validation of:
+
+```text
+~/.pi/agent/extensions/pi-crew/config.json
+```