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

extensions/pi-crew/workflows/review.workflow.md

@@ -0,0 +1,30 @@
+---
+name: review
+description: Review workflow for correctness and security
+---
+
+## explore
+role: explorer
+
+Identify changed or relevant areas for review: {goal}
+
+## code-review
+role: reviewer
+dependsOn: explore
+parallelGroup: review
+
+Review correctness, maintainability, tests, and regressions.
+
+## security-review
+role: security-reviewer
+dependsOn: explore
+parallelGroup: review
+
+Review security risks and trust boundaries.
+
+## verify
+role: verifier
+dependsOn: code-review, security-review
+verify: true
+
+Summarize review outcome and pass/fail status.