Sync auto-copilot-code-cleanliness-review.yml from .github repo

Author: P4X-ng

.github/workflows/auto-copilot-code-cleanliness-review.yml

@@ -1,8 +1,8 @@
 name: "Periodic Code Cleanliness Review"
 
 # REQUIREMENTS:
-# - A GitHub Personal Access Token with Copilot access must be created and stored as a repository secret named COPILOT_TOKEN
-# - See COPILOT_TOKEN_SETUP.md for detailed setup instructions
+# - The repository or organization must allow GitHub Copilot CLI in Actions
+# - Optional: COPILOT_TOKEN may be provided to override the default github.token
 
 on:
   schedule:
@@ -71,9 +71,12 @@ jobs:
           cat /tmp/analysis.md
 
       - name: GitHub Copilot Code Review
-        uses: austenstone/copilot-cli-action@v2
+        uses: austenstone/copilot-cli@v3
         with:
-          copilot-token: ${{ secrets.COPILOT_TOKEN }}
+          copilot-token: ${{ secrets.COPILOT_TOKEN || github.token }}
+          repo-token: ${{ github.token }}
+          model: gpt-5.3-codex
+          reasoning-effort: xhigh
           prompt: |
             Review the codebase for code cleanliness issues:
             1. Identify files that are too large (>500 lines) and suggest how to split them into smaller, focused modules