Add comprehensive feature request admin functionality

- Update data model to include status, adminReply, and updatedAt fields
- Hide user emails from public API responses for privacy
- Add admin-only endpoints: list, reply, update status, delete
- Create admin-feature-requests.html with full management UI
- Add status badges and admin replies to public feature requests page
- Add Feature Requests link to all admin page sidebars

Admin capabilities:
- View all feature requests with author emails (admin only)
- Reply to feature requests with admin responses visible to public
- Update status: pending, planned, in-progress, completed, declined
- Delete feature requests
- Filter and sort by status, votes, date

chat/public/feature-requests.html

@@ -271,6 +271,66 @@
       gap: 16px;
       font-size: 12px;
       color: #adb5bd;
+      align-items: center;
+    }
+
+    .fr-status {
+      display: inline-block;
+      padding: 3px 10px;
+      border-radius: 999px;
+      font-size: 11px;
+      font-weight: 600;
+      text-transform: uppercase;
+    }
+
+    .fr-status.pending {
+      background: rgba(108, 117, 125, 0.1);
+      color: #6c757d;
+    }
+
+    .fr-status.planned {
+      background: rgba(0, 123, 255, 0.1);
+      color: #007bff;
+    }
+
+    .fr-status.in-progress {
+      background: rgba(255, 193, 7, 0.1);
+      color: #856404;
+    }
+
+    .fr-status.completed {
+      background: rgba(40, 167, 69, 0.1);
+      color: #28a745;
+    }
+
+    .fr-status.declined {
+      background: rgba(220, 53, 69, 0.1);
+      color: #dc3545;
+    }
+
+    .fr-admin-reply {
+      background: linear-gradient(135deg, rgba(0, 128, 96, 0.05), rgba(0, 76, 63, 0.05));
+      border: 1px solid rgba(0, 128, 96, 0.2);
+      border-radius: 10px;
+      padding: 14px 16px;
+      margin-top: 14px;
+    }
+
+    .fr-admin-reply-label {
+      font-size: 11px;
+      font-weight: 600;
+      text-transform: uppercase;
+      color: var(--shopify-green);
+      margin-bottom: 8px;
+      display: flex;
+      align-items: center;
+      gap: 6px;
+    }
+
+    .fr-admin-reply-text {
+      font-size: 14px;
+      line-height: 1.6;
+      color: #1a1a1a;
     }
 
     .fr-empty {
@@ -697,6 +757,17 @@
       return date.toLocaleDateString('en-US', { month: 'short', day: 'numeric', year: 'numeric' });
     }
 
+    function getStatusLabel(status) {
+      const labels = {
+        'pending': 'Pending',
+        'planned': 'Planned',
+        'in-progress': 'In Progress',
+        'completed': 'Completed',
+        'declined': 'Declined'
+      };
+      return labels[status] || status;
+    }
+
     function renderFeatureRequests() {
       if (state.featureRequests.length === 0) {
         frList.innerHTML = `
@@ -725,10 +796,21 @@
               <h3 class="fr-title">${escapeHtml(fr.title)}</h3>
               <p class="fr-description">${escapeHtml(fr.description)}</p>
               <div class="fr-meta">
-                <span>Submitted by ${escapeHtml(fr.authorEmail || 'Anonymous')}</span>
+                <span class="fr-status ${fr.status || 'pending'}">${getStatusLabel(fr.status || 'pending')}</span>
                 <span>•</span>
                 <span>${formatDate(fr.createdAt)}</span>
               </div>
+              ${fr.adminReply ? `
+                <div class="fr-admin-reply">
+                  <div class="fr-admin-reply-label">
+                    <svg width="14" height="14" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+                      <path d="M21 15a2 2 0 0 1-2 2H7l-4 4V5a2 2 0 0 1 2-2h14a2 2 0 0 1 2 2z"></path>
+                    </svg>
+                    Admin Response
+                  </div>
+                  <div class="fr-admin-reply-text">${escapeHtml(fr.adminReply)}</div>
+                </div>
+              ` : ''}
             </div>
           </div>
         </div>