ci: ensure Claude reviews run on PR open

.github/workflows/claude-review.yml

@@ -13,12 +13,31 @@ permissions:
   id-token: write
 
 jobs:
-  review:
+  review-pr:
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Run Claude PR Review
+        uses: anthropics/claude-code-action@v1
+        with:
+          anthropic_api_key: ${{ secrets.ANTHROPIC_API_KEY }}
+          prompt: |
+            REPO: ${{ github.repository }}
+            PR NUMBER: ${{ github.event.pull_request.number }}
+
+            Review this pull request and post actionable findings.
+            Focus on correctness, regressions, security, and missing tests.
+            Use inline comments for line-specific issues and a top-level PR comment for overall summary.
+
+  review-on-demand:
     if: >
-      github.event_name == 'pull_request' ||
-      (github.event_name == 'issue_comment' &&
-       github.event.issue.pull_request &&
-       contains(github.event.comment.body, '@claude'))
+      github.event_name == 'issue_comment' &&
+      github.event.issue.pull_request &&
+      contains(github.event.comment.body, '@claude')
     runs-on: ubuntu-latest
 
     steps: