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/controller/skill/skill_template_controller.go

@@ -0,0 +1,26 @@
+package skill
+
+import (
+	skillDto "ai-agent/workflow/model/dto/skill"
+	skillService "ai-agent/workflow/service/skill"
+	"context"
+
+	"gitea.com/red-future/common/beans"
+)
+
+type skillTemplate struct{}
+
+var SkillTemplate = new(skillTemplate)
+
+func (c *skillTemplate) Create(ctx context.Context, req *skillDto.CreateSkillTemplateReq) (res *skillDto.CreateSkillTemplateRes, err error) {
+	return skillService.SkillTemplateService.Create(ctx, req)
+}
+
+func (c *skillTemplate) Delete(ctx context.Context, req *skillDto.DeleteSkillTemplateReq) (res *beans.ResponseEmpty, err error) {
+	err = skillService.SkillTemplateService.Delete(ctx, req)
+	return
+}
+
+func (c *skillTemplate) List(ctx context.Context, req *skillDto.ListSkillTemplateReq) (res *skillDto.ListSkillTemplateRes, err error) {
+	return skillService.SkillTemplateService.List(ctx, req)
+}