R69 完成业务验收与会话稳定性修复

client/src/auth/AuthContext.tsx

@@ -24,6 +24,7 @@ import {
   loginWithPassword,
   logoutSession,
   refreshSession,
+  resetRefreshSessionCache,
 } from "./authService";
 import { resolvePermissionsForRoles } from "./permissions";
 
@@ -246,6 +247,7 @@ export function AuthProvider({ children }: PropsWithChildren) {
   }, [clearProactiveRefreshTimer]);
 
   const clearSession = useCallback(() => {
+    resetRefreshSessionCache();
     clearSessionHint();
     markUnauthenticatedReady();
     void clearPwaRuntimeCaches();
@@ -427,6 +429,7 @@ export function AuthProvider({ children }: PropsWithChildren) {
   const changePassword = useCallback(
     async (oldPassword: string, newPassword: string) => {
       const result = await changePasswordApi({ oldPassword, newPassword });
+      resetRefreshSessionCache();
       const me = await fetchCurrentEmployee(result.accessToken);
       commitAuthenticatedUser(result.accessToken, me, false);
       scheduleProactiveRefresh(result.expiresIn);