feat: bind AI agents to workflow versions

internal/services/ai_agent_service.go

@@ -108,6 +108,8 @@ func (s *aIAgentService) UpdateAIAgent(req request.UpdateAIAgentRequest, operato
 		"skill_ids":             item.SkillIDs,
 		"allowed_mcp_tools":     item.AllowedMCPTools,
 		"allowed_graph_tools":   item.AllowedGraphTools,
+		"runtime_mode":          item.RuntimeMode,
+		"workflow_version_id":   item.WorkflowVersionID,
 		"update_user_id":        operator.UserID,
 		"update_user_name":      operator.Username,
 		"updated_at":            time.Now(),
@@ -191,6 +193,10 @@ func (s *aIAgentService) buildAIAgentModel(id int64, req request.CreateAIAgentRe
 	if err != nil {
 		return nil, err
 	}
+	runtimeMode, workflowVersionID, err := s.normalizeRuntimeMode(req.RuntimeMode, req.WorkflowVersionID)
+	if err != nil {
+		return nil, err
+	}
 	directToolsJSON := ""
 	if len(directTools) > 0 {
 		buf, marshalErr := json.Marshal(directTools)
@@ -223,6 +229,8 @@ func (s *aIAgentService) buildAIAgentModel(id int64, req request.CreateAIAgentRe
 		SkillIDs:            utils.JoinInt64s(skillIDs),
 		AllowedMCPTools:     directToolsJSON,
 		AllowedGraphTools:   graphToolsJSON,
+		RuntimeMode:         runtimeMode,
+		WorkflowVersionID:   workflowVersionID,
 	}, nil
 }
 
@@ -349,6 +357,26 @@ func (s *aIAgentService) normalizeGraphTools(input []string) ([]string, error) {
 	return ret, nil
 }
 
+func (s *aIAgentService) normalizeRuntimeMode(input enums.AIAgentRuntimeMode, workflowVersionID int64) (enums.AIAgentRuntimeMode, int64, error) {
+	if input == 0 {
+		input = enums.AIAgentRuntimeModeBuiltinGraph
+	}
+	if !slices.Contains(enums.AIAgentRuntimeModeValues, input) {
+		return 0, 0, errorsx.InvalidParam("invalid ai agent runtime mode")
+	}
+	if input != enums.AIAgentRuntimeModeWorkflow {
+		return input, 0, nil
+	}
+	if workflowVersionID <= 0 {
+		return 0, 0, errorsx.InvalidParam("workflow version is required")
+	}
+	version := AIWorkflowService.GetVersion(workflowVersionID)
+	if version == nil || version.Status != enums.StatusOk {
+		return 0, 0, errorsx.InvalidParam("workflow version does not exist")
+	}
+	return input, workflowVersionID, nil
+}
+
 func (s *aIAgentService) UpdateSort(ids []int64) error {
 	return sqls.WithTransaction(func(ctx *sqls.TxContext) error {
 		for i, id := range ids {