feat(form): render admin orders as mobile cards

Structural checks for dual status nodes and no alert(); Playwright for
init-time qty labels, aria-pressed chips, overflow More/Less, and
failed-submit text landing in role=alert.

src/server/templates/admin.js

@@ -454,13 +454,15 @@ function downloadSummaryPdf() {
 
 function adminStartEdit(email) {
   window.FormUtils.clearStatus('admin');
+  const requestedWeek = currentAdminWeek;
   setAdminActionDisabled('start-edit', true);
-  adminFetch(ADMIN_URL + '?week=' + encodeURIComponent(currentAdminWeek), { headers: adminHeaders() })
+  adminFetch(ADMIN_URL + '?week=' + encodeURIComponent(requestedWeek), { headers: adminHeaders() })
     .then(r => {
       if (!r.ok) throw new Error('HTTP ' + r.status);
       return r.json();
     })
     .then(data => {
+      if (currentAdminWeek !== requestedWeek) return;
       lastAdminData = data;
       const order = data.orders.find(o => o.employee_email === email);
       if (!order) return;

src/server/templates/form.html.j2

@@ -99,7 +99,7 @@
       <div id="form-status-info" class="form-status-msg form-status-info" role="status"></div>
     </div>
     <div class="inner">
-      <div aria-live="polite">
+      <div aria-live="polite" aria-atomic="true">
         <span class="total" id="total-display">$0.00</span>
         <span class="count-display" id="count-display">0 meals</span>
       </div>

tests/test_generate_form.py

@@ -101,6 +101,14 @@ def _mock_form_routes(page):
             ),
         ),
     )
+    page.route(
+        "**/api/admin/orders",
+        lambda route: route.fulfill(
+            status=403,
+            content_type="application/json",
+            body='{"error":"Forbidden"}',
+        ),
+    )
 
 
 class TestGenerateFormStructural:
@@ -391,10 +399,15 @@ class TestGenerateFormPlaywright:
                           bottom: box.bottom,
                         };
                       };
+                      const footer = document.querySelector('#sticky-footer');
                       return {
                         clientWidth: document.documentElement.clientWidth,
                         scrollWidth: document.documentElement.scrollWidth,
-                        footer: rect('#sticky-footer'),
+                        viewportHeight: window.innerHeight,
+                        footer: {
+                          ...rect('#sticky-footer'),
+                          position: getComputedStyle(footer).position,
+                        },
                         total: rect('#total-display'),
                         count: rect('#count-display'),
                         submit: rect('#submit-btn'),
@@ -407,6 +420,9 @@ class TestGenerateFormPlaywright:
                 for selector in ("footer", "total", "count", "submit"):
                     assert layout[selector]["left"] >= 0
                     assert layout[selector]["right"] <= layout["clientWidth"]
+                assert layout["footer"]["position"] == "fixed"
+                assert layout["footer"]["top"] >= 0
+                assert layout["footer"]["bottom"] <= layout["viewportHeight"]
                 assert layout["lastCard"]["bottom"] <= layout["footer"]["top"]
             finally:
                 browser.close()