Admin suite: monitoring dashboard, user management/ban, broadcast, reports, SMS test

- /Admin/Overview: platform monitoring stats (users by role, facilities, listings, applies, push subs, queue, reports, bans)
- /Admin/Users: search/filter + ban/unban (User.IsBanned + reason); banned users blocked at login
- /Admin/Broadcast: send announcement (in-app + web push) to all / staff / employers via NotificationService
- Reports: report button on shift/job detail → /report endpoint → /Admin/Reports (resolve/dismiss)
- Settings: 'send test SMS' button; admin cross-nav links; SMS API config already in place
- migration AdminBanReports; verified overview/users/broadcast/report persist

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

src/JobsMedical.Web/Pages/Admin/Index.cshtml

@@ -11,8 +11,12 @@
             آگهی‌های جمع‌آوری‌شده از منابع را بررسی، ساختارمند و منتشر کن.
             (@JalaliDate.ToPersianDigits(Model.Queue.Count.ToString()) در صف،
             @JalaliDate.ToPersianDigits(Model.Flagged.Count.ToString()) پرچم‌خورده)
-            · <a asp-page="/Admin/Facilities">تأیید مراکز درمانی</a>
-            · <a asp-page="/Admin/Settings">تنظیمات جمع‌آوری و AI</a>
+            · <a asp-page="/Admin/Overview">داشبورد</a>
+            · <a asp-page="/Admin/Users">کاربران</a>
+            · <a asp-page="/Admin/Facilities">مراکز</a>
+            · <a asp-page="/Admin/Reports">گزارش‌ها</a>
+            · <a asp-page="/Admin/Broadcast">ارسال اعلان</a>
+            · <a asp-page="/Admin/Settings">تنظیمات</a>
         </p>
     </div>
 </div>