ci: only run gh pages build if index.html or styles changed

Author: usrrname

.cursor/modes.json

@@ -76,7 +76,6 @@
                 "terminal"
             ],
             "allowedMcpTools": [
-                "web_search",
             ],
             "autoApplyEdits": false,
             "autoRun": false,

.github/workflows/pages.yml

@@ -3,9 +3,6 @@ name: Deploy to GitHub Pages
 on:
   push:
     branches: [ "main" ]
-    paths:
-      - 'index.html'
-      - '.github/workflows/pages.yml'
   workflow_dispatch:
 
 # Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
@@ -23,20 +20,29 @@ jobs:
     steps:
       - name: Checkout
         uses: actions/checkout@v4
-      
+    
+      - name: Change detection
+        id: changes
+        uses: dorny/paths-filter@v3
+        with:
+          filters: |
+            index: index.html
+            styles: styles.css
+    
       - name: Setup Pages
         uses: actions/configure-pages@v4
-        
+    
       - name: Create artifact directory
         run: |
           mkdir _site
           cp index.html _site/
-        
+          cp styles.css _site/
+
       - name: Upload artifact
         uses: actions/upload-pages-artifact@v3
         with:
-          path: '_site'
-          
+            path: "_site"
+
       - name: Deploy to GitHub Pages
         id: deployment
         uses: actions/deploy-pages@v4