Enhance UI, add AI integration, improve logging and database stats

src/Predictalytics.Worker/Services/TraderAnalyticsWorker.cs

@@ -33,25 +33,26 @@ public class TraderAnalyticsWorker : BackgroundService
                 _logger.LogError(ex, "Error in TraderAnalyticsWorker");
             }
 
-            _logger.LogInformation("TraderAnalyticsWorker sleeping for 12 hours...");
-            await Task.Delay(TimeSpan.FromHours(12), ct);
+            _logger.LogInformation("TraderAnalyticsWorker sleeping for 2 hours...");
+            await Task.Delay(TimeSpan.FromHours(2), ct);
         }
     }
 
     private async Task RunAnalyticsAsync(CancellationToken ct)
     {
-        using var scope = _services.CreateScope();
-        var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
-        var pnlEngine = scope.ServiceProvider.GetRequiredService<IPositionPnLEngine>();
-
         var cutoff30d = DateTime.UtcNow.AddDays(-30);
+        List<int> traderIds;
         
-        // Find traders active in the last 30 days
-        var traderIds = await db.Trades
-            .Where(t => t.ExecutedAt >= cutoff30d)
-            .Select(t => t.TraderId)
-            .Distinct()
-            .ToListAsync(ct);
+        using (var scope = _services.CreateScope())
+        {
+            var db = scope.ServiceProvider.GetRequiredService<AppDbContext>();
+            // Find traders active in the last 30 days
+            traderIds = await db.Trades
+                .Where(t => t.ExecutedAt >= cutoff30d)
+                .Select(t => t.TraderId)
+                .Distinct()
+                .ToListAsync(ct);
+        }
 
         _logger.LogInformation("Found {Count} active traders to analyze", traderIds.Count);
 
@@ -59,6 +60,8 @@ public class TraderAnalyticsWorker : BackgroundService
         {
             try
             {
+                using var traderScope = _services.CreateScope();
+                var pnlEngine = traderScope.ServiceProvider.GetRequiredService<IPositionPnLEngine>();
                 await pnlEngine.RecalculateTraderPositionsAsync(id, ct);
             }
             catch (Exception ex)