feat(web): 工单页与升级面板，修掉视图竞态与标签缺失导致的崩溃

- 新增 /w/:wsId/tickets：派给我的 / 我发起的、状态过滤、列表内联快操作
- 详情抽屉按角色显示受理/开工/提交/验收/驳回/改派/取消；任务态底部可升级成工单
- 导航抽成 WorkspaceNav，带未读角标（30 秒对齐，操作后立刻刷新）
- 修竞态：切视图/切 tab 连发请求时，慢的回包会把新结果盖掉（reqId 序号丢弃过期响应）
- 登录支持 ?next= 站内回跳，邀请链接不再'登录完掉回首页'
- e2e/tickets.mjs：双人双上下文的完整闭环，8 项断言全绿

web/src/lib/parse.ts

@@ -1,4 +1,4 @@
-import type { ItemStatus } from "./types";
+import type { ItemStatus, TaskStatus } from "./types";
 
 const PRIORITY_ALIASES: Record<string, number> = {
   "!0": 0,
@@ -53,17 +53,26 @@ export const ROLE_LABEL: Record<string, string> = {
   guest: "访客",
 };
 
-export const STATUS_LABEL: Record<ItemStatus, string> = {
+export const STATUS_LABEL: Record<string, string> = {
+  // 任务
   inbox: "收件箱",
   todo: "待办",
   doing: "进行中",
   done: "已完成",
   blocked: "被阻塞",
   canceled: "已取消",
+  // 工单（与任务的 done/canceled 共用）
+  open: "待接收",
+  accepted: "待办理",
+  in_progress: "办理中",
+  pending_verify: "待验收",
 };
 
-/** 状态机前端影子：只用来置灰拖拽目标，服务端仍会再校验一次。 */
-export const ALLOWED: Record<ItemStatus, ItemStatus[]> = {
+/**
+ * 任务状态机的前端影子：只用来置灰拖拽目标，服务端仍会再校验一次。
+ * 工单的状态机在服务端（动作驱动），前端不做影子，直接看按钮。
+ */
+export const ALLOWED: Record<string, TaskStatus[]> = {
   inbox: ["todo", "canceled"],
   todo: ["inbox", "doing", "done", "canceled"],
   doing: ["todo", "done", "blocked", "canceled"],
@@ -72,8 +81,8 @@ export const ALLOWED: Record<ItemStatus, ItemStatus[]> = {
   canceled: ["todo"],
 };
 
-export function canTransition(from: ItemStatus, to: ItemStatus): boolean {
-  return from === to || (ALLOWED[from] ?? []).includes(to);
+export function canTransition(from: string, to: string): boolean {
+  return from === to || (ALLOWED[from] ?? []).includes(to as TaskStatus);
 }
 
 export const PRIORITY_LABEL: Record<number, string> = {

web/src/lib/types.ts

@@ -39,7 +39,16 @@ export interface Invitation {
   expires_at: string;
 }
 
-export type ItemStatus = "inbox" | "todo" | "doing" | "done" | "blocked" | "canceled";
+export type TaskStatus = "inbox" | "todo" | "doing" | "done" | "blocked" | "canceled";
+export type TicketStatus =
+  | "open"
+  | "accepted"
+  | "in_progress"
+  | "pending_verify"
+  | "done"
+  | "canceled";
+
+export type ItemStatus = TaskStatus | TicketStatus;
 
 export interface Tag {
   id: string;
@@ -74,4 +83,32 @@ export interface Activity {
 
 export interface ItemDetail extends Item {
   activities: Activity[];
+  ticket?: TicketInfo;
+}
+
+export interface TicketInfo {
+  requester_id: string;
+  assignee_id: string;
+  parent_item_id: string | null;
+  accepted_at: string | null;
+  submitted_at: string | null;
+  verified_at: string | null;
+  verified_by: string | null;
+  reject_count: number;
+  resolution_md: string;
+}
+
+export interface Ticket extends Item {
+  ticket: TicketInfo;
+}
+
+export interface Notification {
+  id: string;
+  kind: string;
+  item_id: string | null;
+  item_title: string | null;
+  title: string;
+  body: string;
+  read_at: string | null;
+  created_at: string;
 }