chore: complete clean Agent Desk source snapshot

web/lib/auth.ts

@@ -0,0 +1,68 @@
+export type AuthUser = {
+  id: number
+  username: string
+  nickname: string
+  avatar: string
+  email?: string
+  userType: string
+  status: number
+  roles: string[]
+}
+
+export type AuthSession = {
+  accessToken: string
+  expiresAt?: string
+  user: AuthUser
+  permissions: string[]
+  roles: string[]
+}
+
+const SESSION_STORAGE_KEY = "agent-desk-session"
+export const AUTH_SESSION_EXPIRED_EVENT = "agent-desk-auth-expired"
+export const AUTH_SESSION_CHANGED_EVENT = "agent-desk-auth-changed"
+
+function hasWindow() {
+  return typeof window !== "undefined"
+}
+
+export function readSession(): AuthSession | null {
+  if (!hasWindow()) {
+    return null
+  }
+
+  const raw = window.localStorage.getItem(SESSION_STORAGE_KEY)
+  if (!raw) {
+    return null
+  }
+
+  try {
+    return JSON.parse(raw) as AuthSession
+  } catch {
+    window.localStorage.removeItem(SESSION_STORAGE_KEY)
+    return null
+  }
+}
+
+export function writeSession(session: AuthSession) {
+  if (!hasWindow()) {
+    return
+  }
+  window.localStorage.setItem(SESSION_STORAGE_KEY, JSON.stringify(session))
+  window.dispatchEvent(new Event(AUTH_SESSION_CHANGED_EVENT))
+}
+
+export function clearSession() {
+  if (!hasWindow()) {
+    return
+  }
+  window.localStorage.removeItem(SESSION_STORAGE_KEY)
+  window.dispatchEvent(new Event(AUTH_SESSION_CHANGED_EVENT))
+}
+
+export function expireSession() {
+  if (!hasWindow()) {
+    return
+  }
+  clearSession()
+  window.dispatchEvent(new Event(AUTH_SESSION_EXPIRED_EVENT))
+}