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/model/operation_log.go

@@ -0,0 +1,16 @@
+package model
+
+import "time"
+
+type TicketOperationLog struct {
+	Logid      int       `gorm:"primaryKey;autoIncrement" json:"logid"`
+	Ticketid   int       `gorm:"not null" json:"ticketid"`
+	Operatorid int       `json:"operatorid"`
+	Action     string    `gorm:"size:32;not null" json:"action"`
+	Detail     string    `gorm:"type:text" json:"detail"`
+	Createtime time.Time `json:"createtime"`
+}
+
+func (TicketOperationLog) TableName() string {
+	return "ticket_operation_log"
+}