chore: update dependencies and refactor webhook handling

- Added new dependencies for SQLite support and improved HTTP client functionality in go.mod and go.sum.
- Refactored webhook server implementation to utilize a simplified version, enhancing code maintainability.
- Updated API client to leverage a generic request method, streamlining API interactions.
- Modified configuration to include access token for webhook server, improving security.
- Enhanced event handling and request processing in the API client for better performance.

internal/plugins/mcstatus/mcstatus.go

@@ -136,14 +136,19 @@ func handleMCSCommand(ctx context.Context, event protocol.Event, botManager *pro
 		Logger:   logger,
 	}
 
-	// 使用独立的 context 进行截图，避免受 dispatcher context 影响
-	// 如果 dispatcher context 被取消，截图操作仍能完成
-	screenshotCtx, cancel := context.WithTimeout(context.Background(), 60*time.Second)
+	// 使用独立的 context 进行截图，完全避免受外部 context 影响
+	// 使用更长的超时时间，避免频繁失败
+	screenshotCtx, cancel := context.WithTimeout(context.Background(), 90*time.Second)
 	defer cancel()
 
 	// 渲染并截图
 	chain, err := utils.ScreenshotHTMLToMessageChain(screenshotCtx, htmlTemplate, opts)
 	if err != nil {
+		// context.Canceled 是应用关闭时的正常行为，不记录为错误
+		if err.Error() == "screenshot operation was canceled" {
+			logger.Warn("Screenshot canceled due to application shutdown")
+			return nil
+		}
 		logger.Error("Failed to render status image", zap.Error(err))
 		return err
 	}