refactor(database): make DBListFrpcInstances able to list all users' frpc instances but not single user

feat(frpcAct): user will get createdBy when query frpc instances on current server
docs(api): update related api documentation

frpAct.go

@@ -40,19 +40,6 @@ type CreateInstanceRequest struct {
 	Additional   map[string]interface{} `json:"additionalProperties"`
 }
 
-type FrpcInstance struct {
-	ID          int
-	UserID      int
-	Name        string
-	ServerAddr  string
-	ServerPort  string
-	AuthMethod  string
-	BootAtStart bool
-	RunUser     string
-	ConfigPath  string
-	CreatedAt   time.Time
-}
-
 var frpcDB *sql.DB
 
 func CloseFrpcDatabase() error {
@@ -610,11 +597,7 @@ func ListInstancesHandler(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	// rows, err := frpcDB.Query(`
-	// 	SELECT id, userID, name, serverAddr, serverPort, auth_method, bootAtStart, runUser, configPath, createdAt
-	// 	FROM frpcInstances WHERE userID = ?
-	// `, userID)
-	instanceList, err := DBListFrpcInstances(userID)
+	instanceList, err := DBListFrpcInstances()
 	if err != nil {
 		postLog.Error(fmt.Sprintf("[ListInstancesHandler] Failed to query instances: %v", err))
 		SendErrorResponse(w, http.StatusInternalServerError, "Failed to query instances")
@@ -633,6 +616,7 @@ func ListInstancesHandler(w http.ResponseWriter, r *http.Request) {
 			"runUser":     instance.RunUser,
 			"configPath":  instance.ConfigPath,
 			"createdAt":   instance.CreatedAt,
+			"createdBy":   instance.CreatedBy,
 		}
 
 		if userType == "visitor" {