Add AI PR labeling workflow for Claude Code tracking

References the shared reusable workflow from intercom/github-action-workflows
to automatically label PRs authored with Claude Code. This closes a gap in
DX adoption tracking for contributions to this repo.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

Author: farukaydin

.github/workflows/label-ai-generated-prs.yml

@@ -0,0 +1,11 @@
+# .github/workflows/label-ai-generated-prs.yml
+name: Label AI-generated PRs
+
+on:
+  pull_request:
+    types: [opened, edited, synchronize]   # run when the body changes too
+
+jobs:
+  call-label-ai-prs:
+    uses: intercom/github-action-workflows/.github/workflows/label-ai-prs.yml@main
+    secrets: inherit