feat: 新增工作流执行模块

新增流程执行记录的实体、DTO、DAO、控制器和服务层，支持工作流的执行、回调及结果树状列表查询；同时更新服务名称为 ai-agent。

main.go

@@ -2,13 +2,14 @@ package main
 
 import (
 	digitalhumanController "ai-agent/digital-human/controller"
-	workflowController "ai-agent/workflow/controller"
+	workController "ai-agent/workflow/controller"
+	workflowController "ai-agent/workflow/controller/flow"
+	workflowNodeController "ai-agent/workflow/controller/node"
+	workflowSkillController "ai-agent/workflow/controller/skill"
 	"context"
 
-	_ "gitea.com/red-future/common/config"
 	"gitea.com/red-future/common/http"
 	"gitea.com/red-future/common/jaeger"
-	_ "gitea.com/red-future/common/ragflow"
 	_ "github.com/gogf/gf/contrib/drivers/pgsql/v2"
 	_ "github.com/gogf/gf/contrib/nosql/redis/v2"
 )
@@ -24,7 +25,13 @@ func main() {
 		digitalhumanController.DigitalHuman, // 数字人相关接口
 		digitalhumanController.Video,        // 视频相关接口
 		digitalhumanController.AsyncTask,    // 异步任务相关接口
-		workflowController.CreationInfo,
+		workController.CreationInfo,
+		workflowController.FlowExecution,
+		workflowController.FlowUser,
+		workflowController.FlowTemplate,
+		workflowNodeController.NodeLibrary,
+		workflowSkillController.SkillTemplate,
+		workflowSkillController.SkillUser,
 	})
 	// 保持应用运行
 	select {}