ci: redistribute canonical codeql.yml (concurrency-cancel guard) (Refs hyperpolymath/standards#122)

Author: hyperpolymath

.github/workflows/codeql.yml

@@ -1,9 +1,13 @@
-# SPDX-License-Identifier: PMPL-1.0-or-later
-# CodeQL disabled - no scannable source code detected
+# SPDX-License-Identifier: PMPL-1.0
 name: CodeQL Security Analysis
 
 on:
-  workflow_dispatch:  # Manual trigger only
+  push:
+    branches: [main, master]
+  pull_request:
+    branches: [main, master]
+  schedule:
+    - cron: '0 6 * * 1'
 
 # Estate guardrail: cancel superseded runs so re-pushes / rebased PR
 # updates do not pile up queued runs against the shared account-wide
@@ -17,8 +21,29 @@ permissions:
   contents: read
 
 jobs:
-  placeholder:
+  analyze:
     runs-on: ubuntu-latest
-    if: false
+    permissions:
+      contents: read
+      security-events: write
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - language: javascript-typescript
+            build-mode: none
+
     steps:
-      - run: echo "Enable when source code is added"
+      - name: Checkout
+        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+
+      - name: Initialize CodeQL
+        uses: github/codeql-action/init@c6f931105cb2c34c8f901cc885ba1e2e259cf745 # v3
+        with:
+          languages: ${{ matrix.language }}
+          build-mode: ${{ matrix.build-mode }}
+
+      - name: Perform CodeQL Analysis
+        uses: github/codeql-action/analyze@c6f931105cb2c34c8f901cc885ba1e2e259cf745 # v3
+        with:
+          category: "/language:${{ matrix.language }}"