feat: add mcp tool finished

uixt/option/action.go

@@ -65,6 +65,7 @@ const (
 	ACTION_InstallApp      ActionMethod = "install_app"
 	ACTION_UninstallApp    ActionMethod = "uninstall_app"
 	ACTION_DownloadApp     ActionMethod = "download_app"
+	ACTION_Finished        ActionMethod = "finished"
 )
 
 const (

uixt/option/request.go

@@ -195,6 +195,10 @@ type AIActionRequest struct {
 	Prompt string `json:"prompt" binding:"required" desc:"AI action prompt"`
 }
 
+type FinishedRequest struct {
+	Content string `json:"content" binding:"required" desc:"Completion message for finished reason"`
+}
+
 // NewMCPOptions generates mcp.NewTool parameters from a struct type.
 // It automatically generates mcp.NewTool parameters based on the struct fields and their desc tags.
 func NewMCPOptions(t interface{}) (options []mcp.ToolOption) {