fix: use single braces in loadRoster JS nested string

Co-authored-by: Cursor <cursoragent@cursor.com>

src/server/generate_form.py

@@ -514,35 +514,35 @@ function updateTotal() {{
 {
         ""
         if use_google_auth
-        else '''async function loadRoster() {{
-  try {{
+        else '''async function loadRoster() {
+  try {
     const res = await fetch(ROSTER_URL);
     const data = await res.json();
     const select = document.getElementById('emp-name');
     select.innerHTML = '<option value="">Select your name</option>';
-    (data.employees || ROSTER).forEach(emp => {{
+    (data.employees || ROSTER).forEach(emp => {
       const opt = document.createElement('option');
       opt.value = emp.name;
       opt.dataset.email = emp.email;
       opt.textContent = emp.name;
       select.appendChild(opt);
-    }});
-    select.addEventListener('change', () => {{
+    });
+    select.addEventListener('change', () => {
       const selected = select.options[select.selectedIndex];
       document.getElementById('emp-email').value = selected?.dataset?.email || '';
-    }});
-  }} catch (e) {{
+    });
+  } catch (e) {
     const select = document.getElementById('emp-name');
     select.innerHTML = '<option value="">Select your name</option>';
-    ROSTER.forEach(emp => {{
+    ROSTER.forEach(emp => {
       const opt = document.createElement('option');
       opt.value = emp.name;
       opt.dataset.email = emp.email;
       opt.textContent = emp.name;
       select.appendChild(opt);
-    }});
-  }}
-}}
+    });
+  }
+}
 '''
     }
 async function checkFormStatus() {{