Refactor BotController and BotService for improved bot management

- Cleaned up constructor parameters in BotController for better readability.
- Enhanced StartCopyTradingCommand handling with improved formatting.
- Updated bot deletion logic in BotService to delete associated positions and trigger agent summary updates.
- Added new method in TradingService for deleting positions by initiator identifier.
- Implemented error handling in StopBotCommandHandler to ensure agent summary updates do not disrupt bot stop operations.

src/Managing.Application/Trading/TradingService.cs

@@ -256,6 +256,11 @@ public class TradingService : ITradingService
         return await _tradingRepository.GetPositionsByInitiatorIdentifiersAsync(initiatorIdentifiers);
     }
 
+    public async Task DeletePositionsByInitiatorIdentifierAsync(Guid initiatorIdentifier)
+    {
+        await _tradingRepository.DeletePositionsByInitiatorIdentifierAsync(initiatorIdentifier);
+    }
+
     public async Task<decimal> GetGlobalPnLFromPositionsAsync()
     {
         return await _tradingRepository.GetGlobalPnLFromPositionsAsync();