refactor: use GET tenders/recommend and improve tender title UX

Load the Recommended tab from GET /api/v1/tenders/recommend instead of the
AI POST flow with 503 fallback. Fix notification pagination offset, make
tender titles selectable across list and detail views, and ignore .cursor.

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

lib/views/home/tenders_list_item.dart

@@ -75,10 +75,10 @@ class TendersListItem extends StatelessWidget {
               ),
             ),
             SizedBox(height: 12.0.h()),
-            Text(
+            SelectableText(
               tender.title ?? '',
+              maxLines: 2,
               style: TextStyle(
-                overflow: TextOverflow.ellipsis,
                 fontSize: 16.0.sp(),
                 fontWeight: FontWeight.w600,
                 color: AppColors.grey80,