From 82d7252e489eb1a00b302d7e069b18f0bf495b63 Mon Sep 17 00:00:00 2001
From: Paul Mulligan <paul@pmds.pull-list.net>
Date: Thu, 9 Apr 2026 16:35:47 -0400
Subject: [PATCH] feat: add automatic PR labeling workflow

Add actions/labeler workflow that applies area labels to PRs based on
changed file paths. Maps scripts, agents, skills, workflows, templates,
docs, and pipeline config to their corresponding area labels.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
---
 .github/labeler.yml           | 27 +++++++++++++++++++++++++++
 .github/workflows/labeler.yml | 21 +++++++++++++++++++++
 2 files changed, 48 insertions(+)
 create mode 100644 .github/labeler.yml
 create mode 100644 .github/workflows/labeler.yml

diff --git a/.github/labeler.yml b/.github/labeler.yml
new file mode 100644
index 0000000..6f58cff
--- /dev/null
+++ b/.github/labeler.yml
@@ -0,0 +1,27 @@
+"area: scripts":
+  - changed-files:
+      - any-glob-to-any-file: "scripts/**"
+
+"area: agents":
+  - changed-files:
+      - any-glob-to-any-file: ".claude/agents/**"
+
+"area: skills":
+  - changed-files:
+      - any-glob-to-any-file: ".claude/skills/**"
+
+"area: ci-cd":
+  - changed-files:
+      - any-glob-to-any-file: ".github/workflows/**"
+
+"area: templates":
+  - changed-files:
+      - any-glob-to-any-file: "templates/**"
+
+"area: docs":
+  - changed-files:
+      - any-glob-to-any-file: "docs/**"
+
+"area: pipeline":
+  - changed-files:
+      - any-glob-to-any-file: ".claude/pipeline.config.json"
diff --git a/.github/workflows/labeler.yml b/.github/workflows/labeler.yml
new file mode 100644
index 0000000..63c378b
--- /dev/null
+++ b/.github/workflows/labeler.yml
@@ -0,0 +1,21 @@
+name: Label PRs
+
+on:
+  pull_request:
+    types: [opened, synchronize, reopened]
+
+permissions:
+  contents: read
+  pull-requests: write
+
+jobs:
+  label:
+    name: Apply Area Labels
+    runs-on: ubuntu-latest
+    timeout-minutes: 2
+    steps:
+      - uses: actions/labeler@v5
+        with:
+          repo-token: ${{ secrets.GITHUB_TOKEN }}
+          configuration-path: .github/labeler.yml
+          sync-labels: true