新增: AI工单处理工作台 v1.0

- Go Gin 后端 (19个源文件): 认证、工单CRUD、GLM AI分析、状态流转、备注、操作日志
- Arco Design Vue 前端: 登录、工单列表/详情/创建、AI分析触发与确认
- MySQL 5表: ticket_user/ticket_info/ticket_ai_analysis/ticket_operation_log/ticket_note
- 部署: tk.1216.top HTTPS, Nginx反代

backend/internal/service/note_service.go

@@ -0,0 +1,31 @@
+package service
+
+import (
+	"time"
+
+	"github.com/casehub/ticket-workbench/internal/model"
+	"gorm.io/gorm"
+)
+
+func ListNotes(db *gorm.DB, ticketid int) ([]model.TicketNote, error) {
+	var notes []model.TicketNote
+	err := db.Where("ticketid = ?", ticketid).Order("createtime ASC").Find(&notes).Error
+	return notes, err
+}
+
+func AddNote(db *gorm.DB, ticketid, authorid int, content string) (*model.TicketNote, error) {
+	note := &model.TicketNote{
+		Ticketid:   ticketid,
+		Authorid:   authorid,
+		Content:    content,
+		Createtime: time.Now(),
+	}
+
+	if err := db.Create(note).Error; err != nil {
+		return nil, err
+	}
+
+	AddOperationLog(db, ticketid, authorid, "note", "添加备注: "+content)
+
+	return note, nil
+}