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
+        });
+    }
 }
 

src/Managing.Application.Abstractions/Repositories/IBacktestRepository.cs

@@ -75,4 +75,7 @@ public interface IBacktestRepository
 
     // Admin summary methods
     Task<BundleBacktestRequestSummary> GetBundleBacktestRequestsSummaryAsync();
+
+    // Admin delete methods - no user filter
+    Task DeleteBundleBacktestRequestByIdAsync(Guid id);
 }

src/Managing.Application.Abstractions/Services/IBacktester.cs

@@ -115,5 +115,8 @@ namespace Managing.Application.Abstractions.Services
             BundleBacktestRequestsFilter? filter = null);
 
         Task<BundleBacktestRequestSummary> GetBundleBacktestRequestsSummaryAsync();
+
+        // Admin delete methods - no user filter
+        Task DeleteBundleBacktestRequestByIdAsync(Guid id);
     }
 }

src/Managing.Application/Backtests/BacktestExecutorAdapter.cs

@@ -197,4 +197,7 @@ public class BacktestExecutorAdapter : IBacktester
 
     public Task<BundleBacktestRequestSummary> GetBundleBacktestRequestsSummaryAsync() =>
         throw new NotImplementedException("Not available in compute worker");
+
+    public Task DeleteBundleBacktestRequestByIdAsync(Guid id) =>
+        throw new NotImplementedException("Not available in compute worker");
 }

src/Managing.Application/Backtests/Backtester.cs

@@ -590,6 +590,11 @@ namespace Managing.Application.Backtests
             return await _backtestRepository.GetBundleBacktestRequestsSummaryAsync();
         }
 
+        public async Task DeleteBundleBacktestRequestByIdAsync(Guid id)
+        {
+            await _backtestRepository.DeleteBundleBacktestRequestByIdAsync(id);
+        }
+
         /// <summary>
         /// Sends a LightBacktestResponse to all SignalR subscribers of a bundle request.
         /// </summary>

src/Managing.Application/Workers/BacktestComputeWorker.cs

@@ -1,3 +1,4 @@
+using System.Collections.Concurrent;
 using System.Text.Json;
 using Managing.Application.Abstractions.Repositories;
 using Managing.Application.Abstractions.Services;
@@ -22,6 +23,8 @@ public class BacktestComputeWorker : BackgroundService
     private readonly ILogger<BacktestComputeWorker> _logger;
     private readonly BacktestComputeWorkerOptions _options;
     private readonly SemaphoreSlim _instanceSemaphore;
+    private readonly ConcurrentDictionary<Guid, Task> _runningJobTasks = new();
+    private readonly CancellationTokenSource _shutdownCts = new();
 
     public BacktestComputeWorker(
         IServiceScopeFactory scopeFactory,
@@ -37,21 +40,33 @@ public class BacktestComputeWorker : BackgroundService
     protected override async Task ExecuteAsync(CancellationToken stoppingToken)
     {
         _logger.LogInformation(
-            "BacktestComputeWorker starting. WorkerId: {WorkerId}, MaxConcurrentPerUser: {MaxConcurrentPerUser}, MaxConcurrentPerInstance: {MaxConcurrentPerInstance}, PollInterval: {PollInterval}s",
+            "BacktestComputeWorker starting. WorkerId: {WorkerId}, MaxConcurrentPerUser: {MaxConcurrentPerUser}, MaxConcurrentPerInstance: {MaxConcurrentPerInstance}, PollInterval: {PollInterval}s, JobTimeout: {JobTimeoutMinutes}min",
-            _options.WorkerId, _options.MaxConcurrentPerUser, _options.MaxConcurrentPerInstance, _options.JobPollIntervalSeconds);
+            _options.WorkerId, _options.MaxConcurrentPerUser, _options.MaxConcurrentPerInstance, 
+            _options.JobPollIntervalSeconds, _options.JobTimeoutMinutes);
+
+        // Link cancellation tokens
+        using var linkedCts = CancellationTokenSource.CreateLinkedTokenSource(stoppingToken, _shutdownCts.Token);
+        var cancellationToken = linkedCts.Token;
 
         // Background task for stale job recovery
-        var staleJobRecoveryTask = Task.Run(() => StaleJobRecoveryLoop(stoppingToken), stoppingToken);
+        var staleJobRecoveryTask = Task.Run(() => StaleJobRecoveryLoop(cancellationToken), cancellationToken);
 
         // Background task for heartbeat updates
-        var heartbeatTask = Task.Run(() => HeartbeatLoop(stoppingToken), stoppingToken);
+        var heartbeatTask = Task.Run(() => HeartbeatLoop(cancellationToken), cancellationToken);
 
         // Main job processing loop
-        while (!stoppingToken.IsCancellationRequested)
+        try
+        {
+            while (!cancellationToken.IsCancellationRequested)
             {
                 try
                 {
-                await ProcessJobsAsync(stoppingToken);
+                    await ProcessJobsAsync(cancellationToken);
+                }
+                catch (OperationCanceledException)
+                {
+                    // Expected during shutdown
+                    break;
                 }
                 catch (Exception ex)
                 {
@@ -59,10 +74,44 @@ public class BacktestComputeWorker : BackgroundService
                     SentrySdk.CaptureException(ex);
                 }
 
-            await Task.Delay(TimeSpan.FromSeconds(_options.JobPollIntervalSeconds), stoppingToken);
+                try
+                {
+                    await Task.Delay(TimeSpan.FromSeconds(_options.JobPollIntervalSeconds), cancellationToken);
+                }
+                catch (OperationCanceledException)
+                {
+                    break;
+                }
+            }
+        }
+        finally
+        {
+            _logger.LogInformation("BacktestComputeWorker stopping, waiting for {Count} running jobs to complete or timeout", 
+                _runningJobTasks.Count);
+            
+            // Signal shutdown
+            _shutdownCts.Cancel();
+            
+            // Wait for running jobs with timeout
+            var waitTasks = _runningJobTasks.Values.ToArray();
+            if (waitTasks.Length > 0)
+            {
+                var timeoutTask = Task.Delay(TimeSpan.FromMinutes(_options.GracefulShutdownTimeoutMinutes), CancellationToken.None);
+                var completedTask = await Task.WhenAny(Task.WhenAll(waitTasks), timeoutTask);
+                
+                if (completedTask == timeoutTask)
+                {
+                    _logger.LogWarning("Graceful shutdown timeout reached, {Count} jobs may still be running", 
+                        _runningJobTasks.Count);
+                }
+                else
+                {
+                    _logger.LogInformation("All running jobs completed during graceful shutdown");
+                }
             }
             
-        _logger.LogInformation("BacktestComputeWorker stopping");
+            _logger.LogInformation("BacktestComputeWorker stopped");
+        }
     }
 
     private async Task ProcessJobsAsync(CancellationToken cancellationToken)
@@ -99,22 +148,32 @@ public class BacktestComputeWorker : BackgroundService
 
             // Process the job asynchronously (don't await, let it run in background)
             // Create a new scope for the job processing to ensure proper lifetime management
-            _ = Task.Run(async () =>
+            var jobTask = Task.Run(async () =>
             {
                 try
                 {
                     await ProcessJobAsync(job, cancellationToken);
                 }
+                catch (OperationCanceledException)
+                {
+                    // Handle cancellation gracefully
+                    _logger.LogInformation("Job {JobId} was cancelled during processing", job.Id);
+                    await HandleJobCancellation(job);
+                }
                 catch (Exception ex)
                 {
                     _logger.LogError(ex, "Error processing job {JobId}", job.Id);
-                    throw;
+                    // Error handling is done in ProcessJobAsync
                 }
                 finally
                 {
+                    _runningJobTasks.TryRemove(job.Id, out _);
                     _instanceSemaphore.Release();
                 }
             }, cancellationToken);
+            
+            // Track the running job task
+            _runningJobTasks.TryAdd(job.Id, jobTask);
         }
         catch (Exception ex)
         {
@@ -135,6 +194,8 @@ public class BacktestComputeWorker : BackgroundService
         var exchangeService = scope.ServiceProvider.GetRequiredService<IExchangeService>();
         var agentSummaryRepository = scope.ServiceProvider.GetRequiredService<IAgentSummaryRepository>();
 
+        var jobStartTime = DateTime.UtcNow;
+        
         try
         {
             _logger.LogInformation(
@@ -174,6 +235,16 @@ public class BacktestComputeWorker : BackgroundService
             {
                 try
                 {
+                    // Check if job has been running too long
+                    var elapsed = DateTime.UtcNow - jobStartTime;
+                    if (elapsed.TotalMinutes > _options.JobTimeoutMinutes)
+                    {
+                        _logger.LogWarning(
+                            "Job {JobId} has been running for {ElapsedMinutes} minutes, exceeding timeout of {TimeoutMinutes} minutes",
+                            job.Id, elapsed.TotalMinutes, _options.JobTimeoutMinutes);
+                        throw new TimeoutException($"Job exceeded timeout of {_options.JobTimeoutMinutes} minutes");
+                    }
+                    
                     job.ProgressPercentage = percentage;
                     job.LastHeartbeat = DateTime.UtcNow;
                     await jobRepository.UpdateAsync(job);
@@ -181,11 +252,18 @@ public class BacktestComputeWorker : BackgroundService
                 catch (Exception ex)
                 {
                     _logger.LogWarning(ex, "Error updating job progress for job {JobId}", job.Id);
+                    throw; // Re-throw timeout exceptions
                 }
             };
 
-            // Execute the backtest
+            // Execute the backtest with timeout
-            var result = await executor.ExecuteAsync(
+            var timeoutCts = new CancellationTokenSource(TimeSpan.FromMinutes(_options.JobTimeoutMinutes));
+            var linkedCts = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, timeoutCts.Token);
+            
+            LightBacktest result;
+            try
+            {
+                result = await executor.ExecuteAsync(
                     config,
                     candles,
                     user,
@@ -194,6 +272,17 @@ public class BacktestComputeWorker : BackgroundService
                     requestId: job.RequestId,
                     metadata: null,
                     progressCallback: progressCallback);
+            }
+            catch (OperationCanceledException) when (timeoutCts.Token.IsCancellationRequested && !cancellationToken.IsCancellationRequested)
+            {
+                var elapsed = DateTime.UtcNow - jobStartTime;
+                throw new TimeoutException($"Job {job.Id} exceeded timeout of {_options.JobTimeoutMinutes} minutes (ran for {elapsed.TotalMinutes:F1} minutes)");
+            }
+            finally
+            {
+                timeoutCts.Dispose();
+                linkedCts.Dispose();
+            }
 
             // Update job with result
             job.Status = JobStatus.Completed;
@@ -216,9 +305,10 @@ public class BacktestComputeWorker : BackgroundService
                 // Don't fail the job if this update fails
             }
 
+            var elapsedTime = DateTime.UtcNow - jobStartTime;
             _logger.LogInformation(
-                "Completed backtest job {JobId}. Score: {Score}, PnL: {PnL}",
+                "Completed backtest job {JobId}. Score: {Score}, PnL: {PnL}, Duration: {DurationMinutes:F1} minutes",
-                job.Id, result.Score, result.FinalPnl);
+                job.Id, result.Score, result.FinalPnl, elapsedTime.TotalMinutes);
 
             // Update bundle request if this is part of a bundle
             if (job.BundleRequestId.HasValue)
@@ -226,6 +316,11 @@ public class BacktestComputeWorker : BackgroundService
                 await UpdateBundleRequestProgress(job.BundleRequestId.Value, scope.ServiceProvider);
             }
         }
+        catch (OperationCanceledException) when (cancellationToken.IsCancellationRequested)
+        {
+            _logger.LogInformation("Job {JobId} was cancelled", job.Id);
+            throw; // Re-throw to be handled by the caller
+        }
         catch (Exception ex)
         {
             _logger.LogError(ex, "Error processing backtest job {JobId}", job.Id);
@@ -235,6 +330,62 @@ public class BacktestComputeWorker : BackgroundService
         }
     }
     
+    private async Task HandleJobCancellation(Job job)
+    {
+        try
+        {
+            using var scope = _scopeFactory.CreateScope();
+            var jobRepository = scope.ServiceProvider.GetRequiredService<IJobRepository>();
+            
+            // Reload job to get latest state
+            var currentJob = await jobRepository.GetByIdAsync(job.Id);
+            if (currentJob == null)
+            {
+                _logger.LogWarning("Job {JobId} not found when handling cancellation", job.Id);
+                return;
+            }
+            
+            // If job is still running, mark it for retry
+            if (currentJob.Status == JobStatus.Running)
+            {
+                if (currentJob.RetryCount < currentJob.MaxRetries)
+                {
+                    currentJob.Status = JobStatus.Pending;
+                    currentJob.RetryCount++;
+                    var backoffMinutes = Math.Min(Math.Pow(2, currentJob.RetryCount), _options.MaxRetryDelayMinutes);
+                    currentJob.RetryAfter = DateTime.UtcNow.AddMinutes(backoffMinutes);
+                    currentJob.ErrorMessage = $"Worker shutdown - retry {currentJob.RetryCount}/{currentJob.MaxRetries}";
+                    currentJob.FailureCategory = FailureCategory.Transient;
+                    currentJob.AssignedWorkerId = null;
+                    currentJob.LastHeartbeat = null;
+                    
+                    _logger.LogWarning(
+                        "Job {JobId} cancelled during shutdown, will be retried (attempt {RetryCount}/{MaxRetries})",
+                        currentJob.Id, currentJob.RetryCount, currentJob.MaxRetries);
+                }
+                else
+                {
+                    currentJob.Status = JobStatus.Failed;
+                    currentJob.ErrorMessage = "Worker shutdown - exceeded max retries";
+                    currentJob.FailureCategory = FailureCategory.SystemError;
+                    currentJob.IsRetryable = false;
+                    currentJob.CompletedAt = DateTime.UtcNow;
+                    currentJob.AssignedWorkerId = null;
+                    
+                    _logger.LogError("Job {JobId} cancelled during shutdown and exceeded max retries", currentJob.Id);
+                    
+                    await NotifyPermanentFailure(currentJob, new OperationCanceledException("Worker shutdown"), scope.ServiceProvider);
+                }
+                
+                await jobRepository.UpdateAsync(currentJob);
+            }
+        }
+        catch (Exception ex)
+        {
+            _logger.LogError(ex, "Error handling job cancellation for job {JobId}", job.Id);
+        }
+    }
+
     private async Task UpdateBundleRequestProgress(Guid bundleRequestId, IServiceProvider serviceProvider)
     {
         try
@@ -373,14 +524,35 @@ public class BacktestComputeWorker : BackgroundService
 
                 // Get stale jobs for this worker
                 var runningJobs = await jobRepository.GetRunningJobsByWorkerIdAsync(_options.WorkerId);
+                var now = DateTime.UtcNow;
                 var staleJobs = runningJobs
                     .Where(j => j.JobType == JobType.Backtest &&
-                               (j.LastHeartbeat == null ||
+                               (
-                                j.LastHeartbeat < DateTime.UtcNow.AddMinutes(-_options.StaleJobTimeoutMinutes)))
+                                   // Stale heartbeat (no heartbeat in timeout period)
+                                   j.LastHeartbeat == null ||
+                                   j.LastHeartbeat < now.AddMinutes(-_options.StaleJobTimeoutMinutes) ||
+                                   // Job running too long (even with recent heartbeat)
+                                   (j.StartedAt.HasValue && 
+                                    j.StartedAt.Value < now.AddMinutes(-_options.JobTimeoutMinutes))
+                               ))
                     .ToList();
 
                 foreach (var job in staleJobs)
                 {
+                    var elapsed = job.StartedAt.HasValue 
+                        ? (DateTime.UtcNow - job.StartedAt.Value).TotalMinutes 
+                        : (double?)null;
+                    var lastHeartbeatAge = job.LastHeartbeat.HasValue
+                        ? (DateTime.UtcNow - job.LastHeartbeat.Value).TotalMinutes
+                        : (double?)null;
+                    
+                    _logger.LogWarning(
+                        "Detected stale job {JobId}: Started {StartedAt}, LastHeartbeat: {LastHeartbeat} ({HeartbeatAge} min ago), Elapsed: {Elapsed} min",
+                        job.Id, job.StartedAt, job.LastHeartbeat, lastHeartbeatAge, elapsed);
+                    
+                    // Remove from running tasks if still tracked
+                    _runningJobTasks.TryRemove(job.Id, out _);
+                    
                     // If it's stale but retryable, reset to pending with retry count
                     if (job.RetryCount < job.MaxRetries)
                     {
@@ -388,7 +560,7 @@ public class BacktestComputeWorker : BackgroundService
                         job.RetryCount++;
                         var backoffMinutes = Math.Min(Math.Pow(2, job.RetryCount), _options.MaxRetryDelayMinutes);
                         job.RetryAfter = DateTime.UtcNow.AddMinutes(backoffMinutes);
-                        job.ErrorMessage = $"Worker timeout - retry {job.RetryCount}/{job.MaxRetries}";
+                        job.ErrorMessage = $"Job timeout/stale - retry {job.RetryCount}/{job.MaxRetries} (ran for {elapsed:F1} min)";
                         job.FailureCategory = FailureCategory.SystemError;
                         _logger.LogWarning(
                             "Stale job {JobId} will be retried (attempt {RetryCount}/{MaxRetries}) after {RetryAfter}",
@@ -398,13 +570,17 @@ public class BacktestComputeWorker : BackgroundService
                     {
                         // Exceeded retries - mark as failed
                         job.Status = JobStatus.Failed;
-                        job.ErrorMessage = "Worker timeout - exceeded max retries";
+                        job.ErrorMessage = $"Job timeout/stale - exceeded max retries (ran for {elapsed:F1} min)";
                         job.FailureCategory = FailureCategory.SystemError;
                         job.IsRetryable = false;
                         job.CompletedAt = DateTime.UtcNow;
                         
+                        _logger.LogError(
+                            "Stale job {JobId} exceeded max retries after running for {Elapsed} minutes",
+                            job.Id, elapsed);
+                        
                         // Notify permanent failure
-                        await NotifyPermanentFailure(job, new TimeoutException("Worker timeout"), scope.ServiceProvider);
+                        await NotifyPermanentFailure(job, new TimeoutException($"Job timeout after {elapsed:F1} minutes"), scope.ServiceProvider);
                         
                         // Update bundle request if this is part of a bundle
                         if (job.BundleRequestId.HasValue)
@@ -423,6 +599,11 @@ public class BacktestComputeWorker : BackgroundService
                     _logger.LogInformation("Processed {Count} stale backtest jobs", staleJobs.Count);
                 }
             }
+            catch (OperationCanceledException)
+            {
+                // Expected during shutdown, don't log as error
+                break;
+            }
             catch (Exception ex)
             {
                 _logger.LogError(ex, "Error in stale job recovery loop");
@@ -450,6 +631,11 @@ public class BacktestComputeWorker : BackgroundService
                     await jobRepository.UpdateAsync(job);
                 }
             }
+            catch (OperationCanceledException)
+            {
+                // Expected during shutdown, don't log as error
+                break;
+            }
             catch (Exception ex)
             {
                 _logger.LogError(ex, "Error in heartbeat loop");
@@ -571,6 +757,8 @@ public class BacktestComputeWorker : BackgroundService
 
     public override void Dispose()
     {
+        _shutdownCts?.Cancel();
+        _shutdownCts?.Dispose();
         _instanceSemaphore?.Dispose();
         base.Dispose();
     }
@@ -622,5 +810,15 @@ public class BacktestComputeWorkerOptions
     /// Maximum retry delay in minutes (cap for exponential backoff)
     /// </summary>
     public int MaxRetryDelayMinutes { get; set; } = 60;
+
+    /// <summary>
+    /// Maximum time in minutes a job can run before being considered timed out
+    /// </summary>
+    public int JobTimeoutMinutes { get; set; } = 60;
+
+    /// <summary>
+    /// Timeout in minutes to wait for running jobs during graceful shutdown
+    /// </summary>
+    public int GracefulShutdownTimeoutMinutes { get; set; } = 5;
 }
 

src/Managing.Application/Workers/GeneticComputeWorker.cs

@@ -236,6 +236,11 @@ public class GeneticComputeWorker : BackgroundService
                     _logger.LogInformation("Processed {Count} stale genetic jobs", staleJobs.Count);
                 }
             }
+            catch (OperationCanceledException)
+            {
+                // Expected during shutdown, don't log as error
+                break;
+            }
             catch (Exception ex)
             {
                 _logger.LogError(ex, "Error in stale job recovery loop");
@@ -264,6 +269,11 @@ public class GeneticComputeWorker : BackgroundService
                     await jobRepository.UpdateAsync(job);
                 }
             }
+            catch (OperationCanceledException)
+            {
+                // Expected during shutdown, don't log as error
+                break;
+            }
             catch (Exception ex)
             {
                 _logger.LogError(ex, "Error in heartbeat loop");

src/Managing.Infrastructure.Database/PostgreSql/PostgreSqlBacktestRepository.cs

@@ -926,6 +926,20 @@ public class PostgreSqlBacktestRepository : IBacktestRepository
         }
     }
 
+    public async Task DeleteBundleBacktestRequestByIdAsync(Guid id)
+    {
+        var entity = await _context.BundleBacktestRequests
+            .AsTracking()
+            .FirstOrDefaultAsync(b => b.RequestId == id)
+            .ConfigureAwait(false);
+
+        if (entity != null)
+        {
+            _context.BundleBacktestRequests.Remove(entity);
+            await _context.SaveChangesAsync().ConfigureAwait(false);
+        }
+    }
+
     public IEnumerable<BundleBacktestRequest> GetBundleBacktestRequestsByStatus(BundleBacktestRequestStatus status)
     {
         var entities = _context.BundleBacktestRequests

src/Managing.WebApp/src/generated/ManagingApi.ts

@@ -486,6 +486,49 @@ export class AdminClient extends AuthorizedApiBase {
         }
         return Promise.resolve<BundleBacktestRequestSummaryResponse>(null as any);
     }
+
+    admin_DeleteBundleBacktestRequest(id: string): Promise<FileResponse> {
+        let url_ = this.baseUrl + "/Admin/BundleBacktestRequests/{id}";
+        if (id === undefined || id === null)
+            throw new Error("The parameter 'id' must be defined.");
+        url_ = url_.replace("{id}", encodeURIComponent("" + id));
+        url_ = url_.replace(/[?&]$/, "");
+
+        let options_: RequestInit = {
+            method: "DELETE",
+            headers: {
+                "Accept": "application/octet-stream"
+            }
+        };
+
+        return this.transformOptions(options_).then(transformedOptions_ => {
+            return this.http.fetch(url_, transformedOptions_);
+        }).then((_response: Response) => {
+            return this.processAdmin_DeleteBundleBacktestRequest(_response);
+        });
+    }
+
+    protected processAdmin_DeleteBundleBacktestRequest(response: Response): Promise<FileResponse> {
+        const status = response.status;
+        let _headers: any = {}; if (response.headers && response.headers.forEach) { response.headers.forEach((v: any, k: any) => _headers[k] = v); };
+        if (status === 200 || status === 206) {
+            const contentDisposition = response.headers ? response.headers.get("content-disposition") : undefined;
+            let fileNameMatch = contentDisposition ? /filename\*=(?:(\\?['"])(.*?)\1|(?:[^\s]+'.*?')?([^;\n]*))/g.exec(contentDisposition) : undefined;
+            let fileName = fileNameMatch && fileNameMatch.length > 1 ? fileNameMatch[3] || fileNameMatch[2] : undefined;
+            if (fileName) {
+                fileName = decodeURIComponent(fileName);
+            } else {
+                fileNameMatch = contentDisposition ? /filename="?([^"]*?)"?(;|$)/g.exec(contentDisposition) : undefined;
+                fileName = fileNameMatch && fileNameMatch.length > 1 ? fileNameMatch[1] : undefined;
+            }
+            return response.blob().then(blob => { return { fileName: fileName, data: blob, status: status, headers: _headers }; });
+        } else if (status !== 200 && status !== 204) {
+            return response.text().then((_responseText) => {
+            return throwException("An unexpected server error occurred.", status, _responseText, _headers);
+            });
+        }
+        return Promise.resolve<FileResponse>(null as any);
+    }
 }
 
 export class BacktestClient extends AuthorizedApiBase {

src/Managing.WebApp/src/pages/adminPage/bundleBacktestRequests/bundleBacktestRequestsSettings.tsx

@@ -1,5 +1,5 @@
 import {useState} from 'react'
-import {useQuery} from '@tanstack/react-query'
+import {useMutation, useQuery, useQueryClient} from '@tanstack/react-query'
 
 import useApiUrlStore from '../../../app/store/apiStore'
 import {
@@ -28,8 +28,10 @@ const BundleBacktestRequestsSettings: React.FC = () => {
   const [progressPercentageMax, setProgressPercentageMax] = useState<string>('')
   const [filtersOpen, setFiltersOpen] = useState<boolean>(false)
   const [showTable, setShowTable] = useState<boolean>(true)
+  const [deleteConfirmRequestId, setDeleteConfirmRequestId] = useState<string | null>(null)
 
   const adminClient = new AdminClient({}, apiUrl)
+  const queryClient = useQueryClient()
 
   // Fetch bundle backtest requests summary statistics
   const {
@@ -83,6 +85,33 @@ const BundleBacktestRequestsSettings: React.FC = () => {
   const totalPages = bundleRequestsData?.totalPages || 0
   const currentPage = bundleRequestsData?.currentPage || 1
 
+  // Delete mutation
+  const deleteMutation = useMutation({
+    mutationFn: async (requestId: string) => {
+      return await adminClient.admin_DeleteBundleBacktestRequest(requestId)
+    },
+    onSuccess: () => {
+      // Invalidate and refetch queries
+      queryClient.invalidateQueries({ queryKey: ['bundleBacktestRequests'] })
+      queryClient.invalidateQueries({ queryKey: ['bundleBacktestRequestsSummary'] })
+      setDeleteConfirmRequestId(null)
+    },
+    onError: (error: any) => {
+      console.error('Failed to delete bundle request:', error)
+      alert(error.message || 'Failed to delete bundle request')
+    }
+  })
+
+  const handleDelete = (requestId: string) => {
+    setDeleteConfirmRequestId(requestId)
+  }
+
+  const confirmDelete = () => {
+    if (deleteConfirmRequestId) {
+      deleteMutation.mutate(deleteConfirmRequestId)
+    }
+  }
+
   const handlePageChange = (newPage: number) => {
     setPage(newPage)
   }
@@ -519,6 +548,7 @@ const BundleBacktestRequestsSettings: React.FC = () => {
         sortOrder={sortOrder}
         onPageChange={handlePageChange}
         onSortChange={handleSortChange}
+        onDelete={handleDelete}
       />
 
       {error && (
@@ -526,6 +556,34 @@ const BundleBacktestRequestsSettings: React.FC = () => {
           <span>Failed to load bundle backtest requests. Please try again.</span>
         </div>
       )}
+
+      {/* Delete Confirmation Modal */}
+      {deleteConfirmRequestId && (
+        <div className="fixed inset-0 bg-black/50 flex items-center justify-center z-50">
+          <div className="bg-base-100 p-6 rounded-lg shadow-xl max-w-md w-full mx-4">
+            <h3 className="text-lg font-semibold mb-4">Confirm Delete</h3>
+            <p className="text-base-content/70 mb-6">
+              Are you sure you want to delete this bundle backtest request? This action cannot be undone and will also delete all related backtests.
+            </p>
+            <div className="flex gap-3 justify-end">
+              <button 
+                className="btn btn-ghost" 
+                onClick={() => setDeleteConfirmRequestId(null)}
+                disabled={deleteMutation.isPending}
+              >
+                Cancel
+              </button>
+              <button 
+                className="btn btn-error" 
+                onClick={confirmDelete}
+                disabled={deleteMutation.isPending}
+              >
+                {deleteMutation.isPending ? 'Deleting...' : 'Delete'}
+              </button>
+            </div>
+          </div>
+        </div>
+      )}
     </div>
   )
 }

src/Managing.WebApp/src/pages/adminPage/bundleBacktestRequests/bundleBacktestRequestsTable.tsx

@@ -16,6 +16,7 @@ interface IBundleBacktestRequestsTable {
   sortOrder: string
   onPageChange: (page: number) => void
   onSortChange: (sortBy: BundleBacktestRequestSortableColumn) => void
+  onDelete?: (requestId: string) => void
 }
 
 const BundleBacktestRequestsTable: React.FC<IBundleBacktestRequestsTable> = ({
@@ -28,7 +29,8 @@ const BundleBacktestRequestsTable: React.FC<IBundleBacktestRequestsTable> = ({
   sortBy,
   sortOrder,
   onPageChange,
-  onSortChange
+  onSortChange,
+  onDelete
 }) => {
   const getStatusBadge = (status: string | null | undefined) => {
     if (!status) return <span className="badge badge-sm">-</span>
@@ -180,8 +182,24 @@ const BundleBacktestRequestsTable: React.FC<IBundleBacktestRequestsTable> = ({
       accessor: (row: BundleBacktestRequestListItemResponse) => (
         <span className="font-mono text-xs">{row.requestId?.substring(0, 8)}...</span>
       )
-    }
+    },
-  ], [sortBy, sortOrder, onSortChange])
+    ...(onDelete ? [{
+      id: 'actions',
+      Header: 'Actions',
+      accessor: (row: BundleBacktestRequestListItemResponse) => (
+        <button
+          className="btn btn-sm btn-error btn-outline"
+          onClick={() => onDelete(row.requestId || '')}
+          disabled={!row.requestId}
+        >
+          <svg xmlns="http://www.w3.org/2000/svg" fill="none" viewBox="0 0 24 24" strokeWidth="1.5" stroke="currentColor" className="w-4 h-4">
+            <path strokeLinecap="round" strokeLinejoin="round" d="M14.74 9l-.346 9m-4.788 0L9.26 9m-4.788 0L3.74 9m4.788-4.788L9.26 4.51m4.788 0L14.74 4.51M9.26 4.51l.346-1.5M14.74 4.51l-.346-1.5M3.74 9l4.788 0M14.74 9l4.788 0" />
+          </svg>
+          Delete
+        </button>
+      )
+    }] : [])
+  ], [sortBy, sortOrder, onSortChange, onDelete])
 
   const tableData = useMemo(() => {
     return bundleRequests.map((request) => ({