Add admin endpoint to delete bundle backtest requests and implement related UI functionality + Add job resilient

src/Managing.Api/Controllers/AdminController.cs

@@ -228,5 +228,40 @@ public class AdminController : BaseController
 
         return Ok(response);
     }
+
+    /// <summary>
+    /// Deletes a bundle backtest request by ID for admin users.
+    /// Also deletes all related backtests associated with this bundle request.
+    /// This endpoint does not require user ownership - admins can delete any bundle.
+    /// </summary>
+    /// <param name="id">The ID of the bundle backtest request to delete.</param>
+    /// <returns>An ActionResult indicating the outcome of the operation.</returns>
+    [HttpDelete]
+    [Route("BundleBacktestRequests/{id}")]
+    public async Task<ActionResult> DeleteBundleBacktestRequest(string id)
+    {
+        if (!await IsUserAdmin())
+        {
+            _logger.LogWarning("Non-admin user attempted to delete bundle backtest request");
+            return StatusCode(403, new { error = "Only admin users can delete bundle backtest requests" });
+        }
+
+        if (!Guid.TryParse(id, out var requestId))
+        {
+            return BadRequest("Invalid bundle request ID format. Must be a valid GUID.");
+        }
+
+        // First, delete the bundle request
+        await _backtester.DeleteBundleBacktestRequestByIdAsync(requestId);
+
+        // Then, delete all related backtests
+        var backtestsDeleted = await _backtester.DeleteBacktestsByRequestIdAsync(requestId);
+
+        return Ok(new
+        {
+            BundleRequestDeleted = true,
+            RelatedBacktestsDeleted = backtestsDeleted
+        });
+    }
 }