fix

internal/server/templates/static/login.js

@@ -0,0 +1,23 @@
+// Login form handler
+document.getElementById('login-form').addEventListener('submit', async (e) => {
+    e.preventDefault();
+    const username = document.getElementById('username').value;
+    const password = document.getElementById('password').value;
+    
+    try {
+        const res = await fetch('/admin/login', {
+            method: 'POST',
+            headers: { 'Content-Type': 'application/json' },
+            body: JSON.stringify({ username, password })
+        });
+        const data = await res.json();
+        
+        if (data.success) {
+            location.reload();
+        } else {
+            alert(data.message || 'Login failed');
+        }
+    } catch (e) {
+        alert('Connection error');
+    }
+});