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/Shifts/Details.cshtml.cs

@@ -24,11 +24,13 @@ public class DetailsModel : PageModel
     // Set after the visitor taps "interested" — reveals the facility contact (handoff model).
     public bool ShowContact { get; private set; }
     public bool Saved { get; private set; }
+    public bool Reported { get; private set; }
 
     public async Task<IActionResult> OnGetAsync(int id)
     {
         await LoadAsync(id);
         if (Shift is null) return NotFound();
+        Reported = Request.Query["reported"] == "1";
         await _interest.LogAsync(InterestEventType.View, id); // behavioral signal for recommendations
         return Page();
     }