feat: add AI workflow service foundation

internal/pkg/dto/request/ai_workflow_request.go

@@ -0,0 +1,33 @@
+package request
+
+import "agent-desk/internal/ai/workflow/dsl"
+
+type CreateAIWorkflowRequest struct {
+	Name        string         `json:"name"`
+	Description string         `json:"description"`
+	OwnerType   string         `json:"ownerType"`
+	OwnerID     int64          `json:"ownerId"`
+	Definition  dsl.Definition `json:"definition"`
+}
+
+type UpdateAIWorkflowRequest struct {
+	ID int64 `json:"id"`
+	CreateAIWorkflowRequest
+}
+
+type DeleteAIWorkflowRequest struct {
+	ID int64 `json:"id"`
+}
+
+type ValidateAIWorkflowRequest struct {
+	Definition dsl.Definition `json:"definition"`
+}
+
+type PublishAIWorkflowRequest struct {
+	WorkflowID int64          `json:"workflowId"`
+	Definition dsl.Definition `json:"definition"`
+}
+
+type AIWorkflowVersionListRequest struct {
+	WorkflowID int64 `json:"workflowId"`
+}