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/handler/auth_handler.go

@@ -0,0 +1,64 @@
+package handler
+
+import (
+	"github.com/casehub/ticket-workbench/internal/dto"
+	"github.com/casehub/ticket-workbench/internal/service"
+	"github.com/gin-gonic/gin"
+	"gorm.io/gorm"
+)
+
+func Login(db *gorm.DB) gin.HandlerFunc {
+	return func(c *gin.Context) {
+		var req dto.LoginRequest
+		if err := c.ShouldBindJSON(&req); err != nil {
+			c.JSON(200, dto.Fail("参数错误"))
+			return
+		}
+
+		user, sessionID, err := service.Login(db, req.Account, req.Password)
+		if err != nil {
+			c.JSON(200, dto.Fail(err.Error()))
+			return
+		}
+
+		c.JSON(200, dto.Success(map[string]interface{}{
+			"token": sessionID,
+			"user": map[string]interface{}{
+				"userid":   user.Userid,
+				"username": user.Username,
+				"account":  user.Account,
+				"role":     user.Role,
+				"team":     user.Team,
+			},
+		}))
+	}
+}
+
+func Logout() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		sessionID := c.GetHeader("Authorization")
+		if sessionID == "" {
+			sessionID = c.GetHeader("jsessionid")
+		}
+		service.Logout(sessionID)
+		c.JSON(200, dto.Success(nil))
+	}
+}
+
+func UserInfo() gin.HandlerFunc {
+	return func(c *gin.Context) {
+		userid, _ := c.Get("userid")
+		username, _ := c.Get("username")
+		account := c.GetString("account")
+		role, _ := c.Get("role")
+		team, _ := c.Get("team")
+
+		c.JSON(200, dto.Success(map[string]interface{}{
+			"userid":   userid,
+			"username": username,
+			"account":  account,
+			"role":     role,
+			"team":     team,
+		}))
+	}
+}