fix: use GITHUB_EVENT_PATH instead of gh CLI for issue data

The gh CLI requires GH_TOKEN which the compiler strips from custom
step env blocks. The webhook event payload at GITHUB_EVENT_PATH
already contains the full issue data - no API call needed.

Author: zircote

.github/workflows/flock-action.lock.yml

@@ -34,8 +34,7 @@ steps:
   - name: Fetch issue data
     run: |
       mkdir -p /tmp/gh-aw/agent
-      ISSUE_NUMBER=$(jq -r '.issue.number' "$GITHUB_EVENT_PATH")
-      gh issue view "$ISSUE_NUMBER" --repo "$GITHUB_REPOSITORY" --json number,title,body,labels > /tmp/gh-aw/agent/issue.json
+      jq '{number: .issue.number, title: .issue.title, body: .issue.body, labels: .issue.labels}' "$GITHUB_EVENT_PATH" > /tmp/gh-aw/agent/issue.json
 
 safe-outputs:
   create-pull-request: