fix: logout clears cookies + shows login form, module-list clear on re-login

docs_v1.0/doc_wasm/index.html

@@ -168,6 +168,7 @@ async function initApp() {
     await initWasm();
     el.innerHTML = '<p>Building modules...</p>';
     var listEl = document.getElementById('module-list');
+    listEl.innerHTML = '';
     MODULES.forEach(function(m) {
       var a = document.createElement('a');
       a.className = 'module-link';
@@ -193,10 +194,14 @@ async function initApp() {
       e.preventDefault();
       e.stopPropagation();
       try {
-        await fetch('/api/v1/auth/logout', {method:'POST'});
+        await fetch('/api/v1/auth/logout', {method:'POST', credentials:'include'});
       } catch(_) {}
-      el.innerHTML = '<p style="color:#060">Logged out. Session cleared.</p>';
-      document.getElementById('logout-btn').style.display = 'none';
+      // Clear client-side cookies
+      document.cookie.split(';').forEach(function(c) {
+        document.cookie = c.trim().split('=')[0] + '=; expires=Thu, 01 Jan 1970 00:00:00 GMT; path=/';
+      });
+      document.getElementById('sidebar').style.display = 'none';
+      showLoginForm();
     };
     
     // Load initial module from hash or default