test changed files CI

Author: copdips

.github/workflows/check_pr_changes.yml

@@ -0,0 +1,45 @@
+name: Check PR Changes
+
+on:
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  check-assets-updated:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Get changed files
+        id: changed
+        uses: tj-actions/changed-files@v46
+        with:
+          files_yaml: |
+            posts:
+              - docs/posts/**
+            assets:
+              - docs/assets/**
+            readme:
+              - README.md
+
+      - name: Fail if docs/posts changed but docs/assets or README.md not changed
+        if: steps.changed.outputs.posts_any_changed == 'true'
+        run: |
+          MISSING=()
+          if [[ "${{ steps.changed.outputs.assets_any_changed }}" != "true" ]]; then
+            MISSING+=("docs/assets")
+          fi
+          if [[ "${{ steps.changed.outputs.readme_any_changed }}" != "true" ]]; then
+            MISSING+=("README.md")
+          fi
+
+          if [[ ${#MISSING[@]} -gt 0 ]]; then
+            echo "❌ docs/posts was changed but the following required paths were not updated:"
+            for m in "${MISSING[@]}"; do
+              echo "  - $m"
+            done
+            exit 1
+          fi
+
+          echo "✅ All required files are updated alongside docs/posts."