Initial import into Gitea

Management/Controllers/Admin/AdminClientActivityController.cs

@@ -0,0 +1,31 @@
+using Management.Data;
+using Management.Security;
+using Microsoft.AspNetCore.Mvc;
+using System.Text.Json;
+
+namespace Management.Controllers.Admin;
+
+/// <summary>
+/// Client activity log — queries tbAccessLog (populated by Gateway's AccessLogMiddleware).
+///
+/// ENDPOINTS:
+/// POST /api/admin/client-activity/list       - Paginated activity for a specific client
+/// POST /api/admin/client-activity/summary    - Request counts + last-seen per client
+/// </summary>
+[ApiController]
+[Route("api/admin/client-activity")]
+public sealed class AdminClientActivityController : AdminControllerBase
+{
+    private const string Proc = "spClientActivity";
+
+    public AdminClientActivityController(SqlService sql, ClientContext client, ILogger<AdminClientActivityController> log)
+        : base(sql, client, log) { }
+
+    [HttpPost("list")]
+    public Task<IActionResult> List([FromBody] JsonElement body, CancellationToken ct)
+        => CallProc(Proc, "list", body.ToString(), ct);
+
+    [HttpPost("summary")]
+    public Task<IActionResult> Summary([FromBody] JsonElement body, CancellationToken ct)
+        => CallProc(Proc, "summary", body.ToString(), ct);
+}