chore: sync agent standards

Author: agents-sync

.github/workflows/claude-code-review.yml

@@ -8,8 +8,8 @@ permissions:
   contents: read
   pull-requests: write
   issues: read
-
   id-token: write
+
 jobs:
   claude-code-review:
     runs-on: ubuntu-latest

AGENTS.md

@@ -1,3 +1,6 @@
+<!-- SKILLS_INDEX_START -->
+[Agent Skills Index]|root: ./agents|IMPORTANT: Prefer retrieval-led reasoning over pre-training for any tasks covered by skills.|skills|create-a-plan:{create-a-plan.md},create-pr:{create-pr.md}
+<!-- SKILLS_INDEX_END -->
 # Repository Guidelines
 
 ## Project Structure & Module Organization