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。

workflow/dao/flow/flow_user_dao.go

@@ -0,0 +1,71 @@
+package flow
+
+import (
+	"ai-agent/workflow/consts/public"
+	flowDto "ai-agent/workflow/model/dto/flow"
+	"ai-agent/workflow/model/entity"
+	"context"
+
+	"gitea.com/red-future/common/db/gfdb"
+	"github.com/gogf/gf/v2/util/gconv"
+)
+
+var FlowUserDao = &flowUserDao{}
+
+type flowUserDao struct{}
+
+func (d *flowUserDao) Insert(ctx context.Context, req *flowDto.CreateFlowUserReq) (id int64, err error) {
+	var e = new(entity.FlowUser)
+	err = gconv.Struct(req, &e)
+	if err != nil {
+		return 0, err
+	}
+	r, err := gfdb.DB(ctx, public.DbNameBlackDeacon).Model(ctx, public.TableNameFlowUser).Insert(e)
+	if err != nil {
+		return
+	}
+	return r.LastInsertId()
+}
+
+func (d *flowUserDao) Update(ctx context.Context, req *flowDto.UpdateFlowUserReq) (rows int64, err error) {
+	r, err := gfdb.DB(ctx, public.DbNameBlackDeacon).Model(ctx, public.TableNameFlowUser).OmitEmpty().
+		Where(entity.FlowUserCol.Id, req.Id).
+		Data(req).
+		Update()
+	if err != nil {
+		return
+	}
+	return r.RowsAffected()
+}
+
+func (d *flowUserDao) Delete(ctx context.Context, req *flowDto.DeleteFlowUserReq) (rows int64, err error) {
+	r, err := gfdb.DB(ctx, public.DbNameBlackDeacon).Model(ctx, public.TableNameFlowUser).Where(entity.FlowUserCol.Id, req.Id).Delete()
+	if err != nil {
+		return
+	}
+	return r.RowsAffected()
+}
+
+func (d *flowUserDao) Get(ctx context.Context, req *flowDto.GetFlowUserReq, fields ...string) (res *entity.FlowUser, err error) {
+	r, err := gfdb.DB(ctx, public.DbNameBlackDeacon).Model(ctx, public.TableNameFlowUser).NoTenantId(ctx).Where(entity.FlowUserCol.Id, req.Id).Fields(fields).One()
+	if err != nil {
+		return
+	}
+	err = r.Struct(&res)
+	return
+}
+
+func (d *flowUserDao) List(ctx context.Context, req *flowDto.ListFlowUserReq, fields ...string) (res []*entity.FlowUser, total int, err error) {
+	model := gfdb.DB(ctx, public.DbNameBlackDeacon).Model(ctx, public.TableNameFlowUser).NoTenantId(ctx).Fields(fields).OmitEmpty()
+	model.Where(entity.FlowUserCol.Creator, req.Creator)
+	model.OrderDesc(entity.FlowUserCol.CreatedAt)
+	if req.Page != nil {
+		model.Page(int(req.Page.PageNum), int(req.Page.PageSize))
+	}
+	r, total, err := model.AllAndCount(false)
+	if err != nil {
+		return
+	}
+	err = r.Structs(&res)
+	return
+}