Merge upstream/v0.12.0rc into feature/fedora-rpm-support

Resolved conflict in backlog-plan/common.ts:
- Kept local (stricter) validation: Array.isArray(parsed?.result?.changes)
- This ensures type safety for the changes array

apps/ui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@automaker/ui",
-  "version": "0.11.0",
+  "version": "0.12.0",
   "description": "An autonomous AI development studio that helps you build software faster using AI-powered agents",
   "homepage": "https://github.com/AutoMaker-Org/automaker",
   "repository": {