feat: 添加节点管理功能，支持全局 discovery token 生成与旋转，更新节点注册流程

atsf_server/controller/agent.go

@@ -17,15 +17,15 @@ func AgentRegister(c *gin.Context) {
 		})
 		return
 	}
-	discoveryNode, ok := c.Get("discovery_node")
-	if !ok {
-		c.JSON(http.StatusUnauthorized, gin.H{
-			"success": false,
-			"message": "无权进行此操作，Discovery Token 无效",
-		})
-		return
+	var (
+		result *service.AgentRegistrationResponse
+		err    error
+	)
+	if authNode, ok := c.Get("agent_node"); ok {
+		result, err = service.RegisterNodeWithAgentToken(authNode.(*model.Node), payload)
+	} else {
+		result, err = service.RegisterNodeWithDiscovery(payload)
 	}
-	result, err := service.RegisterNode(discoveryNode.(*model.Node), payload)
 	if err != nil {
 		c.JSON(http.StatusOK, gin.H{
 			"success": false,

atsf_server/controller/node.go

@@ -32,6 +32,38 @@ func CreateNode(c *gin.Context) {
 	})
 }
 
+func GetNodeBootstrapToken(c *gin.Context) {
+	bootstrap, err := service.GetNodeBootstrapView()
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"message": "",
+		"data":    bootstrap,
+	})
+}
+
+func RotateNodeBootstrapToken(c *gin.Context) {
+	bootstrap, err := service.RotateGlobalDiscoveryToken()
+	if err != nil {
+		c.JSON(http.StatusOK, gin.H{
+			"success": false,
+			"message": err.Error(),
+		})
+		return
+	}
+	c.JSON(http.StatusOK, gin.H{
+		"success": true,
+		"message": "",
+		"data":    bootstrap,
+	})
+}
+
 func UpdateNode(c *gin.Context) {
 	id, err := strconv.ParseUint(c.Param("id"), 10, 64)
 	if err != nil || id == 0 {