feat: Consolidate Third-Party CDN Fallbacks

.github/workflows/program-classification-validator.yml

@@ -89,26 +89,30 @@ jobs:
               // ------------------------------------
               // Metadata - new template format
               // ------------------------------------
+
+              const normalizedBody = body.replace(/\r\n/g, '\n');
+              const has = (re) => re.test(normalizedBody);
 
               if (
-                body.includes('- [x] gssoc26') ||
-                body.includes('program: gssoc') ||
-                body.includes('- [x] gssoc')
+                has(/\bprogram\s*:\s*gssoc\b/i) ||
+                has(/^\s*[-*]\s*\[x\]\s*(gssoc26|gssoc|i am contributing under gssoc|i am participating via gssoc)\b/im) ||
+                has(/\bprogram\n\s*gssoc\b/i)
               ) {
                 actualPrograms.add('gssoc');
               }
 
               if (
-                body.includes('- [x] nsoc26') ||
-                body.includes('program: nsoc') ||
-                body.includes('- [x] nsoc')
+                has(/\bprogram\s*:\s*nsoc\b/i) ||
+                has(/^\s*[-*]\s*\[x\]\s*(nsoc26|nsoc|i am contributing under nsoc|i am participating via nsoc)\b/im) ||
+                has(/\bprogram\n\s*nsoc\b/i)
               ) {
                 actualPrograms.add('nsoc');
               }
 
               if (
-                body.includes('- [x] general contribution') ||
-                body.includes('program: general')
+                has(/\bprogram\s*:\s*general\b/i) ||
+                has(/^\s*[-*]\s*\[x\]\s*(general contribution|i am a general contributor)\b/im) ||
+                has(/\bprogram\n\s*general\b/i)
               ) {
                 hasGeneralContribution = true;
               }

index.html

@@ -38,35 +38,62 @@
     }
   </script>
   <script src="https://cdn.tailwindcss.com?plugins=forms,container-queries"></script>
-  <script src="https://cdn.jsdelivr.net/npm/marked@9.1.6/marked.min.js" integrity="sha384-odPBjvtXVM/5hOYIr3A1dB+flh0c3wAT3bSesIOqEGmyUA4JoKf/YTWy0XKOYAY7" crossorigin="anonymous"></script>
   <script>
-    if (typeof marked === 'undefined') {
-      const s = document.createElement('script');
-      s.src = "https://unpkg.com/marked@9.1.6/marked.min.js";
-      s.integrity = "sha384-odPBjvtXVM/5hOYIr3A1dB+flh0c3wAT3bSesIOqEGmyUA4JoKf/YTWy0XKOYAY7";
-      s.crossOrigin = "anonymous";
-      document.head.appendChild(s);
-    }
-  </script>
-  <script src="https://cdn.jsdelivr.net/npm/dompurify@3.4.0/dist/purify.min.js" integrity="sha384-lExbHoPFNjOW+xMze1tJWzpODN3bi/yx3zhbwRoZWaIYxjl89HxJcI2BxPTNa9M7" crossorigin="anonymous"></script>
-  <script>
-    if (typeof DOMPurify === 'undefined') {
-      const s = document.createElement('script');
-      s.src = "https://unpkg.com/dompurify@3.4.0/dist/purify.min.js";
-      s.integrity = "sha384-lExbHoPFNjOW+xMze1tJWzpODN3bi/yx3zhbwRoZWaIYxjl89HxJcI2BxPTNa9M7";
-      s.crossOrigin = "anonymous";
-      document.head.appendChild(s);
-    }
-  </script>
-  <script src="https://cdn.jsdelivr.net/npm/html2pdf.js@0.14.0/dist/html2pdf.bundle.min.js" integrity="sha384-EaWTV/aVUkLz3tfwg3+5ycX7Q/d9ET9ruOKUgUuFIRUCfzHO1eo2J62a844iWPmY" crossorigin="anonymous"></script>
-  <script>
-    if (typeof html2pdf === 'undefined') {
-      const s = document.createElement('script');
-      s.src = "https://unpkg.com/html2pdf.js@0.14.0/dist/html2pdf.bundle.min.js";
-      s.integrity = "sha384-EaWTV/aVUkLz3tfwg3+5ycX7Q/d9ET9ruOKUgUuFIRUCfzHO1eo2J62a844iWPmY";
-      s.crossOrigin = "anonymous";
-      document.head.appendChild(s);
-    }
+    // Utility to load third-party scripts with primary and fallback CDNs safely.
+    (function loadDependencies() {
+      const dependencies = [
+        {
+          name: 'marked',
+          primary: 'https://cdn.jsdelivr.net/npm/marked@9.1.6/marked.min.js',
+          fallback: 'https://unpkg.com/marked@9.1.6/marked.min.js',
+          integrity: 'sha384-odPBjvtXVM/5hOYIr3A1dB+flh0c3wAT3bSesIOqEGmyUA4JoKf/YTWy0XKOYAY7',
+          check: () => typeof marked !== 'undefined'
+        },
+        {
+          name: 'DOMPurify',
+          primary: 'https://cdn.jsdelivr.net/npm/dompurify@3.4.0/dist/purify.min.js',
+          fallback: 'https://unpkg.com/dompurify@3.4.0/dist/purify.min.js',
+          integrity: 'sha384-lExbHoPFNjOW+xMze1tJWzpODN3bi/yx3zhbwRoZWaIYxjl89HxJcI2BxPTNa9M7',
+          check: () => typeof DOMPurify !== 'undefined'
+        },
+        {
+          name: 'html2pdf',
+          primary: 'https://cdn.jsdelivr.net/npm/html2pdf.js@0.14.0/dist/html2pdf.bundle.min.js',
+          fallback: 'https://unpkg.com/html2pdf.js@0.14.0/dist/html2pdf.bundle.min.js',
+          integrity: 'sha384-EaWTV/aVUkLz3tfwg3+5ycX7Q/d9ET9ruOKUgUuFIRUCfzHO1eo2J62a844iWPmY',
+          check: () => typeof html2pdf !== 'undefined'
+        }
+      ];
+
+      function injectScript(src, integrity, onload, onerror) {
+        const s = document.createElement('script');
+        s.src = src;
+        if (integrity) {
+          s.integrity = integrity;
+          s.crossOrigin = 'anonymous';
+        }
+        s.onload = onload;
+        s.onerror = onerror;
+        document.head.appendChild(s);
+      }
+
+      dependencies.forEach(dep => {
+        injectScript(
+          dep.primary,
+          dep.integrity,
+          () => {
+            if (!dep.check()) {
+              console.warn(`Primary CDN failed validation for ${dep.name}, trying fallback...`);
+              injectScript(dep.fallback, dep.integrity, null, () => console.error(`Fallback failed for ${dep.name}`));
+            }
+          },
+          () => {
+            console.warn(`Primary CDN failed to load for ${dep.name}, trying fallback...`);
+            injectScript(dep.fallback, dep.integrity, null, () => console.error(`Fallback failed for ${dep.name}`));
+          }
+        );
+      });
+    })();
   </script>
   <link href="https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Space+Grotesk:wght@400;500;600;700&family=Fira+Code:wght@400;500&display=swap" rel="stylesheet" />
   <link href="https://fonts.googleapis.com/css2?family=Material+Symbols+Outlined:wght,FILL@100..700,0..1&display=swap" rel="stylesheet" />
@@ -75,7 +102,12 @@
     // Theme restoration - runs early to prevent FOUC
     (function(){
       try {
-        if (localStorage.getItem('theme') === 'dark') {
+        const savedTheme = localStorage.getItem('theme');
+        if (savedTheme === 'dark') {
+          document.documentElement.classList.add('dark');
+        } else if (savedTheme === 'light') {
+          document.documentElement.classList.remove('dark');
+        } else if (globalThis.matchMedia?.('(prefers-color-scheme: dark)').matches) {
           document.documentElement.classList.add('dark');
         }
       } catch(e) {

src/js/app.js

@@ -109,9 +109,26 @@ const CONTACT_TIPS = {
 // ══════════════════════════════════════════════
 (function initTheme() {
   try {
-    const saved = localStorage.getItem('theme') || 'light';
-    document.documentElement.classList.toggle('dark', saved === 'dark');
+    const saved = localStorage.getItem('theme');
+    if (saved === 'dark') {
+      document.documentElement.classList.add('dark');
+    } else if (saved === 'light') {
+      document.documentElement.classList.remove('dark');
+    } else if (globalThis.matchMedia?.('(prefers-color-scheme: dark)').matches) {
+      document.documentElement.classList.add('dark');
+    } else {
+      document.documentElement.classList.remove('dark');
+    }
     updateThemeIcon();
+
+    if (globalThis.matchMedia) {
+      globalThis.matchMedia('(prefers-color-scheme: dark)').addEventListener('change', e => {
+        if (!localStorage.getItem('theme')) {
+          document.documentElement.classList.toggle('dark', e.matches);
+          updateThemeIcon();
+        }
+      });
+    }
   } catch (e) {
     console.warn('Theme init failed:', e);
   }