feat: add comprehensive diagnostic logging subsystem and UI controls

internal/git-service/server.go

@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"fmt"
 	"g-launcher/pkg/constant"
+	"g-launcher/pkg/logger"
 	"g-launcher/pkg/models"
 	"io"
 	"net/http"
@@ -203,5 +204,6 @@ func (g *GitService) FindServerExecutables() (string, string) {
 		}
 	}
 
+	logger.Info("FindServerExecutables: serverDir=%s, found gameServer=%s, sdkServer=%s", serverDir, gameServer, sdkServer)
 	return gameServer, sdkServer
 }