docs: Record commit squash completion in development plan

Author: mrsimpson

.vibe/development-plan-feat-opencode-enable-disable.md

@@ -188,6 +188,12 @@ Hooks to modify:
 5. Backward compatible: Workflows enabled by default
 6. No persistence: In-memory state resets on session restart
 
+### ✅ Final Commit
+- ✅ Commits squashed into single clean feature commit
+- ✅ Comprehensive commit message with all implementation details
+- ✅ All files properly staged and committed
+- ✅ Build and tests pass after squash
+
 ---
 
 ## 🎯 Feature Complete