fix(ui): let the update status chip shrink instead of overflow

Long translations (e.g. Italian, Tamil) could exceed the card title row
on minimum-width cards. The chip is now flex-sized and its label
ellipsizes, so the title and chip degrade gracefully at any width and
locale.

ui/flutter/lib/features/extensions/presentation/pages/extensions_page.dart

@@ -994,10 +994,12 @@ class _ExtensionCard extends ConsumerWidget {
                           ),
                         ),
                         if (canUpdate && installed != null)
-                          ExtensionUpdateStatus(
-                            key: ValueKey('extension-card-update-status-${item.id}'),
-                            label: context.l10n.extensionCanUpdate,
-                            onTap: busy ? null : () => showExtensionUpdateDialog(context, installed),
+                          Flexible(
+                            child: ExtensionUpdateStatus(
+                              key: ValueKey('extension-card-update-status-${item.id}'),
+                              label: context.l10n.extensionCanUpdate,
+                              onTap: busy ? null : () => showExtensionUpdateDialog(context, installed),
+                            ),
                           ),
                       ],
                     ),

ui/flutter/lib/features/extensions/presentation/widgets/extension_update_status.dart

@@ -23,9 +23,13 @@ class ExtensionUpdateStatus extends StatelessWidget {
         ),
         if (label != null) ...[
           const SizedBox(width: 5),
-          Text(
-            label!,
-            style: TextStyle(color: palette.textPrimary, fontSize: 11.5, fontWeight: FontWeight.w600),
+          Flexible(
+            child: Text(
+              label!,
+              maxLines: 1,
+              overflow: TextOverflow.ellipsis,
+              style: TextStyle(color: palette.textPrimary, fontSize: 11.5, fontWeight: FontWeight.w600),
+            ),
           ),
         ],
       ],

ui/flutter/lib/shared/widgets/detail/app_detail_surface_desktop.dart

@@ -98,7 +98,10 @@ class AppDetailDrawer extends StatelessWidget {
                                         ),
                                       ),
                                     ),
-                                    if (titleTrailing != null) ...[const SizedBox(width: 8), titleTrailing!],
+                                    if (titleTrailing != null) ...[
+                                      const SizedBox(width: 8),
+                                      Flexible(child: titleTrailing!),
+                                    ],
                                   ],
                                 ),
                               ),

ui/flutter/lib/shared/widgets/detail/app_detail_surface_mobile.dart

@@ -66,7 +66,10 @@ class AppDetailPage extends StatelessWidget {
                               style: TextStyle(color: palette.textPrimary, fontSize: 17, fontWeight: FontWeight.w700),
                             ),
                           ),
-                          if (titleTrailing != null) ...[const SizedBox(width: 8), titleTrailing!],
+                          if (titleTrailing != null) ...[
+                            const SizedBox(width: 8),
+                            Flexible(child: titleTrailing!),
+                          ],
                         ],
                       ),
                     ),