feat(client): SSO 用户中心按钮 + 自动更新检查(镜像 jiu)

SSO: web_launch.openWebUserCenter → POST /v1/auth/web-ticket → 打开 app.yanmeiai.com/sso?t=…;
设置页加「用户中心(网页)」入口。自动更新: update_provider 查 /version 语义比对 + update_dialog
「发现新版本」;设置页「检查更新」由空 onTap 接上。加 url_launcher(原缺)。flutter analyze 通过。

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013nMthbVEmQquxBRKb9Fj8u

.gitea/workflows/deploy-client.yml

@@ -83,17 +83,19 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v4
 
-      - name: Download android artifact
+      # 一次性下所有 artifact(不带 name),避免同 job 内两次复用 download-artifact
+      # action → act 对其只读缓存 git 仓库做二次操作时 EACCES(pack idx 444)。
+      - name: Download all artifacts
         uses: actions/download-artifact@v3
         with:
-          name: android
-          path: dist/
+          path: dist-raw/
 
-      - name: Download windows artifact
-        uses: actions/download-artifact@v3
-        with:
-          name: windows
-          path: dist/
+      - name: Flatten artifacts into dist/
+        shell: bash
+        run: |
+          mkdir -p dist
+          find dist-raw -type f -exec cp {} dist/ \;
+          echo "dist/ 内容:"; ls -la dist/
 
       - name: Release → Forgejo
         env:

app/kernel/fetch-desktop-bin.sh

@@ -140,7 +140,7 @@ fi
 
 # ── 下载二进制压缩包 ──────────────────────────────────────────────────────────
 printf '==> 下载 %s…\n' "${ARCHIVE_FILE}"
-curl -fSL --retry 3 --retry-delay 2 \
+curl -fSL --retry 8 --retry-delay 5 --retry-connrefused --retry-all-errors --connect-timeout 20 \
     -o "${ARCHIVE_CACHE}" \
     "${ARCHIVE_URL}"
 
@@ -197,7 +197,7 @@ if [[ "${TARGET_OS}" == "windows" ]]; then
     if [[ "${FORCE}" == false && -f "${WINTUN_OUT}" ]]; then
         printf '✓ wintun.dll 已存在，跳过（传 --force 重新下载）\n'
     else
-        curl -fSL --retry 3 --retry-delay 2 \
+        curl -fSL --retry 8 --retry-delay 5 --retry-connrefused --retry-all-errors --connect-timeout 20 \
             -o "${WINTUN_ZIP_CACHE}" \
             "${WINTUN_URL}"
 

client/lib/l10n/app_text.dart

@@ -148,6 +148,14 @@ abstract class AppText {
   String get killSwitch;
   String get killSwitchSub;
   String get checkUpdate;
+  String get webUserCenter; // 「用户中心(网页)」入口(App→Web SSO 免登)
+  // 更新检查(设置页「检查更新」手动触发)
+  String updateAvailableTitle(String version); // 「发现新版本 vX.Y.Z」
+  String get updateNotesFallback; // 无 release_notes 时的兜底文案
+  String get updateLater;
+  String get updateDownload;
+  String get updateUpToDate; // 检查后:已是最新版本
+  String get updateCheckFailed; // 检查失败(网络异常)
 
   // ── 套餐选择 ──
   String get choosePlan;

client/lib/l10n/strings_en.dart

@@ -235,6 +235,20 @@ class StringsEn extends AppText {
   String get killSwitchSub => 'Block traffic if the link drops';
   @override
   String get checkUpdate => 'Check for updates';
+  @override
+  String get webUserCenter => 'User Center (Web)';
+  @override
+  String updateAvailableTitle(String version) => 'New version v$version available';
+  @override
+  String get updateNotesFallback => 'This update includes fixes and stability improvements.';
+  @override
+  String get updateLater => 'Later';
+  @override
+  String get updateDownload => 'Download update';
+  @override
+  String get updateUpToDate => 'You are up to date';
+  @override
+  String get updateCheckFailed => 'Update check failed, try again later';
 
   @override
   String get choosePlan => 'Choose plan';

client/lib/l10n/strings_zh.dart

@@ -234,6 +234,20 @@ class StringsZh extends AppText {
   String get killSwitchSub => '断线时阻断网络,防止泄露';
   @override
   String get checkUpdate => '检查更新';
+  @override
+  String get webUserCenter => '用户中心(网页)';
+  @override
+  String updateAvailableTitle(String version) => '发现新版本 v$version';
+  @override
+  String get updateNotesFallback => '本次更新修复了一些问题并提升了稳定性,建议尽快更新。';
+  @override
+  String get updateLater => '稍后';
+  @override
+  String get updateDownload => '下载更新';
+  @override
+  String get updateUpToDate => '已是最新版本';
+  @override
+  String get updateCheckFailed => '检查更新失败,请稍后重试';
 
   @override
   String get choosePlan => '选择套餐';

client/lib/screens/settings_page.dart

@@ -9,9 +9,29 @@ import 'package:flutter_riverpod/flutter_riverpod.dart';
 
 import '../l10n/app_text.dart';
 import '../pangolin_theme.dart';
+import '../services/web_launch.dart';
 import '../state/app_providers.dart';
 import '../state/settings_provider.dart';
+import '../state/update_provider.dart';
 import '../widgets/pangolin_icons.dart';
+import '../widgets/pangolin_toast.dart';
+import '../widgets/update_dialog.dart';
+
+/// 「检查更新」手动触发:拉取 `$kApiBaseUrl/version`,失败/无更新走轻提示,
+/// 有更新则弹 [showUpdateDialog]。
+Future<void> _checkForUpdate(BuildContext context, WidgetRef ref, AppText t) async {
+  final info = await ref.read(updateCheckerProvider).check();
+  if (!context.mounted) return;
+  if (info == null) {
+    showPangolinToast(context, t.updateCheckFailed);
+    return;
+  }
+  if (!info.hasUpdate) {
+    showPangolinToast(context, t.updateUpToDate);
+    return;
+  }
+  await showUpdateDialog(context, t, info);
+}
 
 class SettingsPage extends ConsumerWidget {
   const SettingsPage({super.key});
@@ -59,7 +79,8 @@ class SettingsPage extends ConsumerWidget {
               right: sw(isDark, (v) => ref.read(themeModeProvider.notifier).state = v ? ThemeMode.dark : ThemeMode.light),
             ),
             _Row(title: t.protocol, right: Text('REALITY / Hysteria2', style: PangolinText.mono.copyWith(fontSize: 13, color: c.fg3))),
-            _Row(title: t.checkUpdate, right: Icon(PangolinIcons.chevronRight, size: 18, color: c.fg3), onTap: () {}),
+            _Row(title: t.webUserCenter, right: Icon(PangolinIcons.externalLink, size: 18, color: c.fg3), onTap: () => openWebUserCenter(ref)),
+            _Row(title: t.checkUpdate, right: Icon(PangolinIcons.chevronRight, size: 18, color: c.fg3), onTap: () => _checkForUpdate(context, ref, t)),
             _Row(title: 'Version', last: true, right: Text(version, style: PangolinText.mono.copyWith(fontSize: 13, color: c.fg3))),
           ]),
         ]),

client/lib/services/web_launch.dart

@@ -0,0 +1,29 @@
+// web_launch.dart — App→Web 单点登录跳转(SSO 换票)。
+//
+// 「用户中心(网页)」入口:先向控制面签一张短时单次票据
+// (POST /v1/auth/web-ticket,需登录),再打开 用户中心网页版 的
+// /sso?t=<票>&redirect=<路径> 落地页兑票登录——避免用户在网页端重新输入密码。
+// 签票失败(未登录/网络异常)时降级为直接打开目标页(未登录态浏览)。
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+import '../state/account_providers.dart';
+
+/// 用户中心(网页版)基址。
+const String kWebUserCenterBaseUrl = 'https://app.yanmeiai.com';
+
+/// 打开用户中心网页版 [path](默认首页),尝试免登录(SSO 换票)。
+Future<void> openWebUserCenter(WidgetRef ref, {String path = '/'}) async {
+  Uri target = Uri.parse('$kWebUserCenterBaseUrl$path');
+  try {
+    final resp = await ref.read(apiClientProvider).postJson('/v1/auth/web-ticket');
+    final ticket = resp['ticket'] as String?;
+    if (ticket != null && ticket.isNotEmpty) {
+      target = Uri.parse(
+          '$kWebUserCenterBaseUrl/sso?t=$ticket&redirect=${Uri.encodeComponent(path)}');
+    }
+  } catch (_) {
+    // 签票失败(未登录/网络异常)降级:直接打开目标页(未登录态浏览)。
+  }
+  await launchUrl(target, mode: LaunchMode.externalApplication);
+}

client/lib/state/update_provider.dart

@@ -0,0 +1,105 @@
+// update_provider.dart — 应用更新检查(轻量版,无后台轮询)。
+//
+// 手动触发(设置页「检查更新」)向控制面 GET $kApiBaseUrl/version 拉取最新版本信息,
+// 与本地版本(package_info_plus)做语义比较;有更新则由调用方(settings_page)弹窗
+// 展示(见 widgets/update_dialog.dart)。检查失败静默返回 null,不影响主流程。
+//
+// 对照 jiu client/lib/providers/update_provider.dart,去掉了定时轮询 Timer 与
+// dismiss 状态——按需求这里只做「手动检查」,启动期自动检查留作后续 TODO。
+import 'dart:convert';
+import 'dart:io';
+
+import 'package:flutter_riverpod/flutter_riverpod.dart';
+import 'package:http/http.dart' as http;
+import 'package:package_info_plus/package_info_plus.dart';
+
+import '../services/api_config.dart';
+
+/// 一次更新检查的结果。
+class AppUpdateInfo {
+  const AppUpdateInfo({
+    required this.latestVersion,
+    required this.buildNumber,
+    required this.forceUpdate,
+    required this.releaseNotes,
+    required this.downloadUrls,
+    required this.hasUpdate,
+  });
+
+  final String latestVersion;
+  final int buildNumber;
+  final bool forceUpdate;
+  final String releaseNotes;
+  final Map<String, String> downloadUrls;
+  final bool hasUpdate;
+}
+
+/// 无状态更新检查服务,供设置页「检查更新」按钮直接调用。
+final updateCheckerProvider = Provider<UpdateChecker>((ref) => const UpdateChecker());
+
+class UpdateChecker {
+  const UpdateChecker();
+
+  /// 拉取 `$kApiBaseUrl/version` 并与本地版本比较。网络/解析失败返回 null(静默)。
+  Future<AppUpdateInfo?> check() async {
+    try {
+      final resp = await http
+          .get(Uri.parse('$kApiBaseUrl/version'))
+          .timeout(const Duration(seconds: 8));
+      if (resp.statusCode != 200) return null;
+      final data = jsonDecode(resp.body) as Map<String, dynamic>;
+
+      final latestVersion = data['version'] as String? ?? '0.0.0';
+      final buildNumber = (data['build_number'] as num?)?.toInt() ?? 0;
+      final forceUpdate = data['force_update'] as bool? ?? false;
+      final releaseNotes = data['release_notes'] as String? ?? '';
+      final rawUrls = data['download_urls'] as Map<String, dynamic>? ?? const {};
+      final downloadUrls = rawUrls.map((k, v) => MapEntry(k, v?.toString() ?? ''));
+
+      final info = await PackageInfo.fromPlatform();
+      final hasUpdate = _isNewer(latestVersion, info.version);
+
+      return AppUpdateInfo(
+        latestVersion: latestVersion,
+        buildNumber: buildNumber,
+        forceUpdate: forceUpdate,
+        releaseNotes: releaseNotes,
+        downloadUrls: downloadUrls,
+        hasUpdate: hasUpdate,
+      );
+    } catch (_) {
+      return null;
+    }
+  }
+
+  /// 语义化版本比较:latest > current → true。容忍 1.1.4-dev / 1.1.4+7 等后缀。
+  bool _isNewer(String latest, String current) {
+    final l = _parse(latest);
+    final c = _parse(current);
+    for (var i = 0; i < 3; i++) {
+      if (l[i] > c[i]) return true;
+      if (l[i] < c[i]) return false;
+    }
+    return false;
+  }
+
+  List<int> _parse(String v) {
+    final parts = v.split('.').map((s) {
+      final m = RegExp(r'^\d+').firstMatch(s);
+      return m == null ? 0 : int.parse(m.group(0)!);
+    }).toList();
+    while (parts.length < 3) {
+      parts.add(0);
+    }
+    return parts;
+  }
+}
+
+/// 按当前平台从服务端 download_urls 里取对应下载直链。
+String? platformDownloadUrl(Map<String, String> downloadUrls) {
+  if (Platform.isMacOS) return downloadUrls['macos'];
+  if (Platform.isWindows) return downloadUrls['windows'];
+  if (Platform.isIOS) return downloadUrls['ios'];
+  if (Platform.isAndroid) return downloadUrls['android'];
+  return downloadUrls['web'];
+}

client/lib/widgets/update_dialog.dart

@@ -0,0 +1,81 @@
+// update_dialog.dart — 「发现新版本」更新提示弹窗。
+//
+// 只做「展示 + 引导下载」:点「下载更新」用 url_launcher 打开对应平台的下载直链
+// (浏览器下载),不做应用内静默安装/自动重启。force_update=true 时不可关闭
+// (无「稍后」按钮、点遮罩/返回也关不掉)。
+import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+import '../l10n/app_text.dart';
+import '../pangolin_theme.dart';
+import '../state/update_provider.dart';
+import 'pangolin_icons.dart';
+
+/// 展示更新弹窗。调用方(设置页「检查更新」)在拿到 `info.hasUpdate == true` 时调用。
+Future<void> showUpdateDialog(BuildContext context, AppText t, AppUpdateInfo info) {
+  return showDialog<void>(
+    context: context,
+    barrierDismissible: !info.forceUpdate,
+    builder: (ctx) => PopScope(
+      canPop: !info.forceUpdate,
+      child: _UpdateDialog(t: t, info: info),
+    ),
+  );
+}
+
+class _UpdateDialog extends StatelessWidget {
+  const _UpdateDialog({required this.t, required this.info});
+  final AppText t;
+  final AppUpdateInfo info;
+
+  @override
+  Widget build(BuildContext context) {
+    final c = context.pangolin;
+    return AlertDialog(
+      backgroundColor: c.surface,
+      shape: RoundedRectangleBorder(borderRadius: BorderRadius.circular(PangolinRadius.xl)),
+      title: Row(children: [
+        Container(
+          width: 34,
+          height: 34,
+          decoration: BoxDecoration(color: c.accentSubtle, shape: BoxShape.circle),
+          child: Icon(PangolinIcons.zap, size: 18, color: c.accent),
+        ),
+        const SizedBox(width: 12),
+        Expanded(
+          child: Text(
+            t.updateAvailableTitle(info.latestVersion),
+            overflow: TextOverflow.ellipsis,
+            style: PangolinText.body.copyWith(color: c.fg1, fontWeight: FontWeight.w700),
+          ),
+        ),
+      ]),
+      content: SingleChildScrollView(
+        child: Text(
+          info.releaseNotes.isEmpty ? t.updateNotesFallback : info.releaseNotes,
+          style: PangolinText.sm.copyWith(color: c.fg2, height: 1.5),
+        ),
+      ),
+      actions: [
+        if (!info.forceUpdate)
+          TextButton(
+            onPressed: () => Navigator.of(context).pop(),
+            child: Text(t.updateLater, style: PangolinText.sm.copyWith(color: c.fg2, fontWeight: FontWeight.w600)),
+          ),
+        TextButton(
+          onPressed: () async {
+            final url = platformDownloadUrl(info.downloadUrls);
+            if (url != null && url.isNotEmpty) {
+              final uri = Uri.parse(url);
+              if (await canLaunchUrl(uri)) {
+                await launchUrl(uri, mode: LaunchMode.externalApplication);
+              }
+            }
+            if (context.mounted) Navigator.of(context).pop();
+          },
+          child: Text(t.updateDownload, style: PangolinText.sm.copyWith(color: c.accent, fontWeight: FontWeight.w700)),
+        ),
+      ],
+    );
+  }
+}

client/pubspec.yaml

@@ -20,6 +20,7 @@ dependencies:
   flutter_secure_storage: ^9.2.2  # JWT token 安全存储 + 稳定 device_id 持久化
   shared_preferences: ^2.5.5
   package_info_plus: ^9.0.1
+  url_launcher: ^6.3.0        # 打开外部链接(用户中心 SSO 免登 / 更新下载页)
   device_info_plus: ^11.2.0  # 设备名/平台(「我的设备」上报)
   uuid: ^4.5.1               # 客户端生成稳定 device_id (UUID v4)
   launch_at_startup: ^0.5.1

deploy/single-node/deploy.sh

@@ -178,6 +178,7 @@ GRPC_KEY_PATH=$ETC/grpc.key
 PANGOLIN_PUBLIC_URL=https://api.yanmeiai.com
 PANGOLIN_RULES_DIR=$DATA_DIR/rules
 DOWNLOADS_DIR=$DATA_DIR/downloads
+VERSION_MANIFEST=$ETC/version.yaml
 EOF
 if [ -n "${SMTP_HOST:-}" ]; then
   cat >> "$ETC/server.env" <<EOF
@@ -211,6 +212,15 @@ curl -fsSL -o "$RULES_DIR/geosite-cn.srs" \
 DOWNLOADS_DIR="$DATA_DIR/downloads"
 install -d -m 755 "$DOWNLOADS_DIR"
 
+# ── 6d. 客户端自动更新版本清单 ─────────────────────────────────────────────────
+# GET /version(公开、免鉴权)按 VERSION_MANIFEST(见上 server.env)读取该文件;
+# scripts/ci/release-client.sh 每次 client-v* 发版都会以本仓库这份文件为模板,
+# 改写 version/build_number 后 SSH 推到这个路径覆盖 —— 幂等重跑本脚本不应该把
+# 已发布的最新版本号退回仓库里的默认值,所以文件已存在时不覆盖。
+if [ ! -f "$ETC/version.yaml" ]; then
+  install -m 644 "$HERE/version.yaml" "$ETC/version.yaml"
+fi
+
 # ── 7. 迁移 + seed(SQLite)────────────────────────────────────────────────────
 log "执行迁移(sqlite)..."
 DB_DRIVER=sqlite DB_DSN="$DB_FILE" "$BIN/pangolin-migrate" up

deploy/single-node/version.yaml

@@ -0,0 +1,22 @@
+# version.yaml — 客户端自动更新版本清单(committed default)。
+#
+# deploy/single-node/deploy.sh 把这份文件安装到 /etc/pangolin/version.yaml
+# (VERSION_MANIFEST 默认路径,见 server/internal/httpapi/version.go)。
+# scripts/ci/release-client.sh 在每次 client-v* 发版时,以这份文件为模板改写
+# version / build_number 字段,再原样(SSH)推到 pangolin1 的
+# /etc/pangolin/version.yaml —— 控制面每次请求都重新读该文件,发版立即生效,
+# 不需要重启/重新部署控制面。
+#
+# download_urls 目前是固定「仅保留最新一份」的稳定 URL(deploy-client.sh 每次
+# 用同名文件覆盖),不是按版本变化的路径,因此这里不需要随发版改写;
+# macos / ios 产物尚未产出,先留空字符串。
+version: "1.0.48"
+build_number: 10048
+force_update: false
+release_notes: ""
+download_urls:
+  android: "https://api.yanmeiai.com/downloads/pangolin-android.apk"
+  windows: "https://api.yanmeiai.com/downloads/pangolin-windows-x64-setup.exe"
+  macos: ""
+  ios: ""
+changelog: []

scripts/ci/compile-windows.sh

@@ -109,9 +109,17 @@ ISS="${BUILD_CLIENT}/windows/installer/pangolin.iss"
 sed -i "s/^#define MyAppVersion .*/#define MyAppVersion \"${VER}\"/" "$ISS"
 
 echo "==> building installer with Inno Setup (version ${VER})"
-# MSYS_NO_PATHCONV / MSYS2_ARG_CONV_EXCL disable Git Bash's automatic conversion
-# of paths, matching jiu's ISCC invocation fix.
-MSYS_NO_PATHCONV=1 MSYS2_ARG_CONV_EXCL='*' "$ISCC" "$ISS"
+# ISCC 是原生 Windows 程序,只认 Windows 路径(C:\...);传 MSYS 风格 /c/... 会被它
+# 当成选项 → "Unknown option: /c/...pangolin.iss"。故先用 cygpath 把 .iss 转成
+# Windows 路径再传(jiu 是直接写死 C:\ 字面量;这里用 cygpath 更稳)。
+# 不用 $() 命令替换(仓库约定):cygpath 输出落临时文件、read 读回。
+cygpath -w "$ISS" > /tmp/pangolin_iss_win.$$
+ISS_WIN=""
+read -r ISS_WIN < /tmp/pangolin_iss_win.$$
+rm -f /tmp/pangolin_iss_win.$$
+# MSYS_NO_PATHCONV / MSYS2_ARG_CONV_EXCL 关掉 Git Bash 对 /-开头参数的自动路径转换
+# (否则会把 .iss 里将来可能的 /D 定义也改坏)。ISS_WIN 已是 Windows 路径,原样传即可。
+MSYS_NO_PATHCONV=1 MSYS2_ARG_CONV_EXCL='*' "$ISCC" "$ISS_WIN"
 
 # pangolin.iss has no explicit OutputDir -> Inno defaults to {src}\Output
 # (relative to the .iss file), filename OutputBaseFilename=pangolin-setup-<ver>.

server/cmd/server/main.go

@@ -138,6 +138,13 @@ func main() {
 	downloadsHandler := httpapi.NewDownloadsHandler(os.Getenv("DOWNLOADS_DIR"))
 	r.Get("/downloads/*", downloadsHandler.Serve)
 
+	// Public (no auth): 客户端自动更新版本清单。VERSION_MANIFEST 可配置清单路径
+	// (默认 /etc/pangolin/version.yaml);deploy/single-node/deploy.sh 安装仓库内
+	// 默认清单,scripts/ci/release-client.sh 在每次 client-v* 发版时改写其
+	// version/build_number。每次请求都重新读文件,发版脚本改完立即生效,无需重启。
+	versionHandler := httpapi.NewVersionHandler(os.Getenv("VERSION_MANIFEST"))
+	r.Get("/version", versionHandler.Serve)
+
 	// Optional probe ingest route. sharedProbeStore is reused by the scheduler
 	// (below) when both are enabled, so they share one Redis-backed store.
 	var sharedProbeStore *probe.Store
@@ -378,6 +385,9 @@ func mountV1(r chi.Router, sqlDB *sql.DB, rdb *redis.Client, nodeSvc *nodes.Serv
 			v1.Post("/auth/login", authHandler.Login)
 			v1.Post("/auth/refresh", authHandler.Refresh)
 			v1.Post("/auth/logout", authHandler.Logout)
+			// App→网页免登录换票的公开一端;票据本身即凭证,无需 Bearer(见下方
+			// 受保护分组里的签票端 /auth/web-ticket)。
+			v1.Post("/auth/web-ticket/exchange", authHandler.WebTicketExchange)
 			if totpHandler != nil {
 				v1.Post("/auth/login/totp", totpHandler.LoginTOTP)
 			}
@@ -405,6 +415,10 @@ func mountV1(r chi.Router, sqlDB *sql.DB, rdb *redis.Client, nodeSvc *nodes.Serv
 					}
 				})
 				protected.Post("/redeem", redeemHandler.ServeHTTP)
+				if authHandler != nil {
+					// 签票端要求已登录(拿当前 JWT 的 uid/uuid);兑换端见上方公开分组。
+					protected.Post("/auth/web-ticket", authHandler.WebTicket)
+				}
 				protected.Get("/usage", usageHandler.ServeHTTP)
 				protected.Get("/usage/devices", deviceUsageHandler.ServeHTTP)
 				protected.Post("/ads/unlock", adsHandler.ServeHTTP)

server/internal/auth/errors.go

@@ -83,4 +83,13 @@ var (
 		MessageZH: "服务器内部错误，请稍后重试",
 		MessageEn: "Internal server error, please try again later",
 	}
+
+	// ErrTicketInvalid — the web-ticket (App→网页免登录一次性票据) is missing,
+	// already used, or expired. Intentionally generic (mirrors ErrCodeInvalid) so
+	// the three cases can't be distinguished from the response.
+	ErrTicketInvalid = &apierr.Error{
+		Code:      "auth.ticket_invalid",
+		MessageZH: "登录票据无效或已过期，请重新从 App 打开",
+		MessageEn: "Login ticket is invalid or expired, please reopen from the app",
+	}
 )

server/internal/auth/handler.go

@@ -29,6 +29,7 @@ func (h *Handler) RegisterRoutes(r chi.Router) {
 	r.Post("/auth/login", h.Login)
 	r.Post("/auth/refresh", h.Refresh)
 	r.Post("/auth/logout", h.Logout)
+	r.Post("/auth/web-ticket/exchange", h.WebTicketExchange)
 }
 
 // Logout handles POST /v1/auth/logout. The refresh token to revoke is taken from
@@ -158,6 +159,74 @@ func (h *Handler) Refresh(w http.ResponseWriter, r *http.Request) {
 	writeTokenPair(w, pair)
 }
 
+// ═══════════════ App → 网页免登录（一次性换票，magic-link）═══════════════
+
+// webTicketRequest / webTicketResponse — POST /v1/auth/web-ticket (auth-required).
+type webTicketResponse struct {
+	Ticket    string `json:"ticket"`
+	ExpiresIn int    `json:"expires_in"`
+}
+
+// WebTicket handles POST /v1/auth/web-ticket (auth-required, mounted in the
+// RequireAuth group — see main.go). Mints a one-time ticket for the currently
+// authenticated user so the app can open the web user-center pre-authenticated
+// (`https://<host>/sso?t=<ticket>`). Rate-limited to 1/sec/user.
+func (h *Handler) WebTicket(w http.ResponseWriter, r *http.Request) {
+	uid, ok := UserIDFromContext(r.Context())
+	if !ok {
+		writeAPIErr(w, ErrUnauthorized, 0)
+		return
+	}
+	uuid, ok := UserUUIDFromContext(r.Context())
+	if !ok {
+		writeAPIErr(w, ErrUnauthorized, 0)
+		return
+	}
+	ticket, ttl, retryAfter, apiErr := h.svc.IssueWebTicket(r.Context(), uid, uuid)
+	if apiErr != nil {
+		writeAPIErr(w, apiErr, retryAfter)
+		return
+	}
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	w.WriteHeader(http.StatusOK)
+	_ = json.NewEncoder(w).Encode(webTicketResponse{Ticket: ticket, ExpiresIn: ttl})
+}
+
+// webTicketExchangeRequest is the public exchange body.
+type webTicketExchangeRequest struct {
+	Ticket string     `json:"ticket"`
+	Device deviceBody `json:"device"`
+}
+
+// WebTicketExchange handles POST /v1/auth/web-ticket/exchange (public, no
+// bearer auth — the ticket itself is the credential). Validates+consumes the
+// one-time ticket and issues the SAME token-pair shape as a normal login for
+// the ticket's user, registering the device like Login does. Invalid, expired,
+// or already-used tickets all map to a generic 401.
+func (h *Handler) WebTicketExchange(w http.ResponseWriter, r *http.Request) {
+	var req webTicketExchangeRequest
+	if !decodeJSON(w, r, &req) {
+		return
+	}
+	if req.Ticket == "" {
+		writeAPIErr(w, ErrInvalidRequest, 0)
+		return
+	}
+	pair, deviceLimit, apiErr := h.svc.LoginWithWebTicket(r.Context(), req.Ticket, clientIP(r), req.Device.toMeta())
+	if apiErr != nil {
+		writeAPIErr(w, apiErr, 0)
+		return
+	}
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	w.WriteHeader(http.StatusOK)
+	_ = json.NewEncoder(w).Encode(tokenPairResponse{
+		AccessToken:  pair.AccessToken,
+		RefreshToken: pair.RefreshToken,
+		ExpiresIn:    pair.ExpiresIn,
+		DeviceLimit:  deviceLimit,
+	})
+}
+
 // ---- helpers ----
 
 // decodeJSON decodes the request body, writing a 400 on malformed input.
@@ -206,7 +275,7 @@ func statusFor(e *apierr.Error) int {
 		return http.StatusConflict
 	case ErrRateLimited.Code, ErrAccountLocked.Code:
 		return http.StatusTooManyRequests
-	case ErrInvalidCredentials.Code, ErrInvalidToken.Code, ErrUnauthorized.Code:
+	case ErrInvalidCredentials.Code, ErrInvalidToken.Code, ErrUnauthorized.Code, ErrTicketInvalid.Code:
 		return http.StatusUnauthorized
 	case ErrAccountBanned.Code:
 		return http.StatusForbidden

server/internal/auth/web_ticket.go

@@ -0,0 +1,130 @@
+package auth
+
+import (
+	"context"
+	"crypto/rand"
+	"encoding/base64"
+	"errors"
+	"fmt"
+	"strconv"
+	"strings"
+	"time"
+
+	"github.com/redis/go-redis/v9"
+
+	"github.com/wangjia/pangolin/server/internal/apierr"
+)
+
+// ═══════════════ App → 网页免登录（一次性换票，magic-link）═══════════════
+//
+// The app (already holding a valid JWT) mints a one-time ticket via
+// IssueWebTicket and opens the system browser at .../sso?t=<ticket>. The web
+// user-center exchanges the ticket via LoginWithWebTicket for a normal token
+// pair — same shape as /auth/login — without ever seeing the app's own tokens.
+//
+// Storage: Redis only (no DB row). Tickets are single-instance, ephemeral
+// (60s TTL) credentials — a DB table would need its own cleanup job for what
+// Redis already gives for free via key expiry. Consumption uses GETDEL, which
+// is atomic server-side: a replayed/concurrent second exchange always loses
+// the race and gets redis.Nil, so single-use is enforced without a CAS dance.
+
+const (
+	// webTicketTTL is the ticket lifetime: long enough for the system browser
+	// to open and hit the exchange endpoint, short enough to bound replay risk.
+	webTicketTTL = 60 * time.Second
+	// webTicketPrefix namespaces ticket keys in Redis.
+	webTicketPrefix = "auth:webticket:"
+	// scopeWebTicket is the rate-limit scope for ticket issuance (1/sec/user).
+	scopeWebTicket = "webticket"
+)
+
+func webTicketKey(ticket string) string { return webTicketPrefix + ticket }
+
+// genWebTicket returns a fresh, cryptographically random one-time ticket. 32
+// bytes (256 bits) of entropy makes guessing infeasible within the 60s TTL.
+func genWebTicket() (string, error) {
+	buf := make([]byte, 32)
+	if _, err := rand.Read(buf); err != nil {
+		return "", fmt.Errorf("auth: gen web ticket: %w", err)
+	}
+	return base64.RawURLEncoding.EncodeToString(buf), nil
+}
+
+// IssueWebTicket mints a one-time ticket for an already-authenticated user
+// (userID/userUUID come from the caller's validated JWT claims — see
+// Handler.WebTicket). Rate-limited to 1/sec/user as a rebuff-abuse backstop
+// (the endpoint already requires login). The ticket value itself never
+// carries a real token — only enough to look the user up on exchange.
+func (s *Service) IssueWebTicket(ctx context.Context, userID int64, userUUID string) (ticket string, ttlSeconds int, retryAfter time.Duration, apiErr *apierr.Error) {
+	ok, ra, err := s.rl.Allow(ctx, scopeWebTicket, strconv.FormatInt(userID, 10), 1, time.Second)
+	if err != nil {
+		return "", 0, 0, ErrInternal
+	}
+	if !ok {
+		return "", 0, ra, ErrRateLimited
+	}
+
+	tk, err := genWebTicket()
+	if err != nil {
+		return "", 0, 0, ErrInternal
+	}
+	val := userID2UUID(userID, userUUID)
+	if err := s.rdb.Set(ctx, webTicketKey(tk), val, webTicketTTL).Err(); err != nil {
+		return "", 0, 0, ErrInternal
+	}
+	return tk, int(webTicketTTL.Seconds()), 0, nil
+}
+
+// LoginWithWebTicket validates+atomically-consumes a one-time ticket and
+// issues a fresh token pair for its user, registering the device exactly like
+// a normal Login (best-effort — see recordLogin). Any invalid/expired/
+// already-used ticket collapses to ErrTicketInvalid (no distinguishing info
+// leaked).
+func (s *Service) LoginWithWebTicket(ctx context.Context, ticket, ip string, device DeviceMeta) (*TokenPair, *DeviceLimit, *apierr.Error) {
+	if ticket == "" {
+		return nil, nil, ErrTicketInvalid
+	}
+
+	// GETDEL is atomic: concurrent/replayed exchanges of the same ticket race
+	// on a single Redis command, so exactly one caller ever sees the value.
+	val, err := s.rdb.GetDel(ctx, webTicketKey(ticket)).Result()
+	if errors.Is(err, redis.Nil) {
+		return nil, nil, ErrTicketInvalid
+	}
+	if err != nil {
+		return nil, nil, ErrInternal
+	}
+
+	userID, userUUID, ok := splitUserID2UUID(val)
+	if !ok {
+		// Our own format, corrupt only via a Redis-level anomaly — never surface
+		// internals to the (unauthenticated) caller.
+		return nil, nil, ErrInternal
+	}
+
+	pair, jti, err := s.tokens.IssueWithJTI(ctx, userID, userUUID)
+	if err != nil {
+		return nil, nil, ErrInternal
+	}
+	dl := s.recordLogin(ctx, userID, jti, ip, device)
+	return pair, dl, nil
+}
+
+// userID2UUID / splitUserID2UUID encode the ticket's Redis value as
+// "<userID>:<userUUID>". UUIDs are hyphenated hex (no ':'), so a single
+// SplitN(2) round-trips unambiguously.
+func userID2UUID(userID int64, userUUID string) string {
+	return strconv.FormatInt(userID, 10) + ":" + userUUID
+}
+
+func splitUserID2UUID(val string) (userID int64, userUUID string, ok bool) {
+	parts := strings.SplitN(val, ":", 2)
+	if len(parts) != 2 || parts[1] == "" {
+		return 0, "", false
+	}
+	id, err := strconv.ParseInt(parts[0], 10, 64)
+	if err != nil || id == 0 {
+		return 0, "", false
+	}
+	return id, parts[1], true
+}

server/internal/auth/web_ticket_test.go

@@ -0,0 +1,186 @@
+package auth
+
+import (
+	"bytes"
+	"context"
+	"encoding/json"
+	"net/http"
+	"net/http/httptest"
+	"testing"
+
+	"github.com/go-chi/chi/v5"
+	"github.com/google/uuid"
+)
+
+// newWebTicketHandler wires a Handler with BOTH the public routes (via
+// RegisterRoutes) and the auth-required /auth/web-ticket route, mirroring how
+// main.go mounts them in two separate groups (public vs RequireAuth).
+func newWebTicketHandler(t *testing.T, cfg ServiceConfig) (*Service, http.Handler) {
+	t.Helper()
+	svc, _, _ := newService(t, cfg)
+	h := NewHandler(svc)
+	r := chi.NewRouter()
+	h.RegisterRoutes(r) // public: includes /auth/web-ticket/exchange
+	r.Group(func(protected chi.Router) {
+		protected.Use(RequireAuth(svc.tokens))
+		protected.Post("/auth/web-ticket", h.WebTicket)
+	})
+	return svc, r
+}
+
+// issueAccessToken mints a real, valid access token for a fresh user id/uuid
+// pair — bypassing full register/login, since the ticket flow only cares that
+// RequireAuth's middleware injects a valid uid/uuid into the request context.
+func issueAccessToken(t *testing.T, svc *Service) (accessToken string, userID int64, userUUID string) {
+	t.Helper()
+	userID = 42
+	userUUID = uuid.NewString()
+	pair, _, err := svc.tokens.IssueWithJTI(context.Background(), userID, userUUID)
+	if err != nil {
+		t.Fatalf("issue access token: %v", err)
+	}
+	return pair.AccessToken, userID, userUUID
+}
+
+func doAuthed(t *testing.T, h http.Handler, method, path, token string, body interface{}) *httptest.ResponseRecorder {
+	t.Helper()
+	var buf bytes.Buffer
+	if body != nil {
+		_ = json.NewEncoder(&buf).Encode(body)
+	}
+	req := httptest.NewRequest(method, path, &buf)
+	req.RemoteAddr = "203.0.113.5:1234"
+	if token != "" {
+		req.Header.Set("Authorization", "Bearer "+token)
+	}
+	rec := httptest.NewRecorder()
+	h.ServeHTTP(rec, req)
+	return rec
+}
+
+// TestWebTicket_IssueAndExchange covers the full happy path: an authed app
+// mints a ticket, the (unauthenticated) web side exchanges it for a token
+// pair shaped exactly like a normal /auth/login response.
+func TestWebTicket_IssueAndExchange(t *testing.T) {
+	svc, h := newWebTicketHandler(t, ServiceConfig{})
+	token, wantUID, wantUUID := issueAccessToken(t, svc)
+
+	rec := doAuthed(t, h, http.MethodPost, "/auth/web-ticket", token, nil)
+	if rec.Code != http.StatusOK {
+		t.Fatalf("issue status = %d, body %s", rec.Code, rec.Body)
+	}
+	var issued webTicketResponse
+	if err := json.Unmarshal(rec.Body.Bytes(), &issued); err != nil {
+		t.Fatalf("decode issue response: %v", err)
+	}
+	if issued.Ticket == "" {
+		t.Fatal("empty ticket")
+	}
+	if issued.ExpiresIn != 60 {
+		t.Fatalf("expires_in = %d, want 60", issued.ExpiresIn)
+	}
+
+	rec = doAuthed(t, h, http.MethodPost, "/auth/web-ticket/exchange", "",
+		map[string]any{"ticket": issued.Ticket, "device": map[string]string{"platform": "web"}})
+	if rec.Code != http.StatusOK {
+		t.Fatalf("exchange status = %d, body %s", rec.Code, rec.Body)
+	}
+	var pair tokenPairResponse
+	if err := json.Unmarshal(rec.Body.Bytes(), &pair); err != nil {
+		t.Fatalf("decode exchange response: %v", err)
+	}
+	if pair.AccessToken == "" || pair.RefreshToken == "" || pair.ExpiresIn != 900 {
+		t.Fatalf("bad token pair: %+v", pair)
+	}
+
+	// The exchanged access token must authenticate as the SAME user the app
+	// ticket was issued for.
+	claims, err := svc.tokens.ParseAccess(pair.AccessToken)
+	if err != nil {
+		t.Fatalf("parse exchanged access token: %v", err)
+	}
+	if claims.UID != wantUID || claims.Subject != wantUUID {
+		t.Fatalf("exchanged token identifies uid=%d uuid=%s, want uid=%d uuid=%s",
+			claims.UID, claims.Subject, wantUID, wantUUID)
+	}
+}
+
+// TestWebTicket_SingleUse_ReplayRejected: a second exchange of the same
+// ticket (replay) must fail 401, even though the first succeeded.
+func TestWebTicket_SingleUse_ReplayRejected(t *testing.T) {
+	svc, h := newWebTicketHandler(t, ServiceConfig{})
+	token, _, _ := issueAccessToken(t, svc)
+
+	rec := doAuthed(t, h, http.MethodPost, "/auth/web-ticket", token, nil)
+	var issued webTicketResponse
+	_ = json.Unmarshal(rec.Body.Bytes(), &issued)
+
+	rec = doAuthed(t, h, http.MethodPost, "/auth/web-ticket/exchange", "",
+		map[string]any{"ticket": issued.Ticket})
+	if rec.Code != http.StatusOK {
+		t.Fatalf("first exchange should succeed, got %d: %s", rec.Code, rec.Body)
+	}
+
+	rec = doAuthed(t, h, http.MethodPost, "/auth/web-ticket/exchange", "",
+		map[string]any{"ticket": issued.Ticket})
+	if rec.Code != http.StatusUnauthorized {
+		t.Fatalf("replayed exchange status = %d, want 401 (body %s)", rec.Code, rec.Body)
+	}
+}
+
+// TestWebTicket_Expired_Rejected simulates TTL expiry the same way the rest of
+// this package does (service_test.go TestService_CodeExpired): delete the
+// Redis key directly rather than fast-forwarding a clock.
+func TestWebTicket_Expired_Rejected(t *testing.T) {
+	svc, h := newWebTicketHandler(t, ServiceConfig{})
+	token, _, _ := issueAccessToken(t, svc)
+
+	rec := doAuthed(t, h, http.MethodPost, "/auth/web-ticket", token, nil)
+	var issued webTicketResponse
+	_ = json.Unmarshal(rec.Body.Bytes(), &issued)
+
+	svc.rdb.Del(context.Background(), webTicketKey(issued.Ticket))
+
+	rec = doAuthed(t, h, http.MethodPost, "/auth/web-ticket/exchange", "",
+		map[string]any{"ticket": issued.Ticket})
+	if rec.Code != http.StatusUnauthorized {
+		t.Fatalf("expired ticket exchange status = %d, want 401 (body %s)", rec.Code, rec.Body)
+	}
+}
+
+// TestWebTicket_Bogus_Rejected: a made-up ticket that was never issued.
+func TestWebTicket_Bogus_Rejected(t *testing.T) {
+	_, h := newWebTicketHandler(t, ServiceConfig{})
+	rec := doAuthed(t, h, http.MethodPost, "/auth/web-ticket/exchange", "",
+		map[string]any{"ticket": "not-a-real-ticket"})
+	if rec.Code != http.StatusUnauthorized {
+		t.Fatalf("bogus ticket exchange status = %d, want 401 (body %s)", rec.Code, rec.Body)
+	}
+}
+
+// TestWebTicket_RequiresAuth: minting a ticket without a bearer token is
+// rejected by RequireAuth before it ever reaches the handler.
+func TestWebTicket_RequiresAuth(t *testing.T) {
+	_, h := newWebTicketHandler(t, ServiceConfig{})
+	rec := doAuthed(t, h, http.MethodPost, "/auth/web-ticket", "", nil)
+	if rec.Code != http.StatusUnauthorized {
+		t.Fatalf("unauthenticated issue status = %d, want 401", rec.Code)
+	}
+}
+
+// TestWebTicket_RateLimited: a second ticket request within the same second
+// for the same user is rejected 429 (rebuff-abuse backstop; the endpoint
+// already requires login).
+func TestWebTicket_RateLimited(t *testing.T) {
+	svc, h := newWebTicketHandler(t, ServiceConfig{})
+	token, _, _ := issueAccessToken(t, svc)
+
+	rec := doAuthed(t, h, http.MethodPost, "/auth/web-ticket", token, nil)
+	if rec.Code != http.StatusOK {
+		t.Fatalf("first issue status = %d, body %s", rec.Code, rec.Body)
+	}
+	rec = doAuthed(t, h, http.MethodPost, "/auth/web-ticket", token, nil)
+	if rec.Code != http.StatusTooManyRequests {
+		t.Fatalf("second issue status = %d, want 429 (body %s)", rec.Code, rec.Body)
+	}
+}

server/internal/httpapi/version.go

@@ -0,0 +1,137 @@
+package httpapi
+
+import (
+	"encoding/json"
+	"net/http"
+	"os"
+
+	"gopkg.in/yaml.v3"
+)
+
+// defaultVersionManifestPath is VERSION_MANIFEST's default when unset — mirrors
+// how server.env wires DOWNLOADS_DIR alongside DownloadsHandler's own built-in
+// default (see downloads.go / deploy/single-node/deploy.sh).
+const defaultVersionManifestPath = "/etc/pangolin/version.yaml"
+
+// Fallback values used ONLY when the manifest file itself is missing (fresh
+// box that hasn't run deploy/single-node/deploy.sh's manifest-install step
+// yet, or a local dev server). These are hand-set, not auto-derived — once a
+// box is deployed, the real source of truth is the on-disk manifest that
+// scripts/ci/release-client.sh overwrites on every client-v* release.
+const (
+	defaultManifestVersion     = "1.0.48"
+	defaultManifestBuildNumber = 10048
+)
+
+// changelogSection / changelogEntry mirror jiu's backend/config/version.yaml
+// shape (~/code/jiu/backend/internal/handler/version.go) so any future shared
+// tooling (e.g. a website changelog widget) can treat both services'
+// /version responses identically. Pangolin's release pipeline doesn't
+// populate Changelog yet (no CHANGELOG-client.md parsing wired in
+// scripts/ci/release-client.sh) — the field exists for shape-compatibility
+// and always serializes as [] rather than null.
+type changelogSection struct {
+	Type  string   `yaml:"type" json:"type"`
+	Items []string `yaml:"items" json:"items"`
+}
+
+type changelogEntry struct {
+	Version  string             `yaml:"version" json:"version"`
+	Date     string             `yaml:"date" json:"date"`
+	Intro    string             `yaml:"intro" json:"intro"`
+	Sections []changelogSection `yaml:"sections" json:"sections"`
+}
+
+// versionManifest is the on-disk (and wire) shape of the auto-update
+// manifest. download_urls keys in practice: macos, windows, ios, android
+// (web is intentionally not used — pangolin's client is native-only).
+type versionManifest struct {
+	Version      string            `yaml:"version" json:"version"`
+	BuildNumber  int               `yaml:"build_number" json:"build_number"`
+	ForceUpdate  bool              `yaml:"force_update" json:"force_update"`
+	ReleaseNotes string            `yaml:"release_notes" json:"release_notes"`
+	DownloadURLs map[string]string `yaml:"download_urls" json:"download_urls"`
+	Changelog    []changelogEntry  `yaml:"changelog" json:"changelog"`
+}
+
+// VersionHandler serves GET /version (public, no auth — mounted directly in
+// main.go next to /healthz and /downloads/*). Unlike most handlers in this
+// package it re-reads its manifest file from disk on EVERY request rather
+// than caching it in memory: scripts/ci/release-client.sh rewrites
+// /etc/pangolin/version.yaml's version/build_number on each client-v*
+// release, and that must take effect immediately without a control-plane
+// restart or redeploy (mirrors jiu's loadVersionConfig()-per-request).
+type VersionHandler struct {
+	path string
+}
+
+// NewVersionHandler builds a VersionHandler reading the manifest at path.
+// path=="" falls back to defaultVersionManifestPath (in production this is
+// overridden via the VERSION_MANIFEST env var — see main.go).
+func NewVersionHandler(path string) *VersionHandler {
+	if path == "" {
+		path = defaultVersionManifestPath
+	}
+	return &VersionHandler{path: path}
+}
+
+// defaultManifest is returned when the manifest file doesn't exist yet, so
+// GET /version still answers usefully (client update-checks shouldn't hard
+// fail just because deploy/single-node/deploy.sh hasn't run on this box).
+func defaultManifest() versionManifest {
+	return versionManifest{
+		Version:      defaultManifestVersion,
+		BuildNumber:  defaultManifestBuildNumber,
+		ForceUpdate:  false,
+		ReleaseNotes: "",
+		DownloadURLs: map[string]string{
+			"android": "https://api.yanmeiai.com/downloads/pangolin-android.apk",
+			"windows": "https://api.yanmeiai.com/downloads/pangolin-windows-x64-setup.exe",
+			"macos":   "",
+			"ios":     "",
+		},
+		Changelog: []changelogEntry{},
+	}
+}
+
+// loadManifest reads+parses h.path. A missing file is NOT an error (falls
+// back to defaultManifest()); any other read/parse failure IS, so ServeHTTP
+// can 500 instead of silently masking a corrupt manifest written by a bad
+// release-client.sh run.
+func (h *VersionHandler) loadManifest() (versionManifest, error) {
+	data, err := os.ReadFile(h.path)
+	if err != nil {
+		if os.IsNotExist(err) {
+			return defaultManifest(), nil
+		}
+		return versionManifest{}, err
+	}
+	var m versionManifest
+	if err := yaml.Unmarshal(data, &m); err != nil {
+		return versionManifest{}, err
+	}
+	// Keep the JSON response shape stable (empty object/array, never null)
+	// regardless of what the manifest on disk happens to omit.
+	if m.DownloadURLs == nil {
+		m.DownloadURLs = map[string]string{}
+	}
+	if m.Changelog == nil {
+		m.Changelog = []changelogEntry{}
+	}
+	return m, nil
+}
+
+// Serve handles GET /version. Named Serve (not ServeHTTP) to match
+// DownloadsHandler's convention in this package (see downloads.go).
+func (h *VersionHandler) Serve(w http.ResponseWriter, r *http.Request) {
+	m, err := h.loadManifest()
+	if err != nil {
+		w.Header().Set("Content-Type", "application/json; charset=utf-8")
+		w.WriteHeader(http.StatusInternalServerError)
+		_ = json.NewEncoder(w).Encode(map[string]string{"error": "version manifest unavailable"})
+		return
+	}
+	w.Header().Set("Content-Type", "application/json; charset=utf-8")
+	w.WriteHeader(http.StatusOK)
+	_ = json.NewEncoder(w).Encode(m)
+}

server/internal/httpapi/version_test.go

@@ -0,0 +1,160 @@
+package httpapi
+
+import (
+	"encoding/json"
+	"net/http/httptest"
+	"os"
+	"path/filepath"
+	"testing"
+
+	"github.com/go-chi/chi/v5"
+)
+
+// buildVersionRouter mounts VersionHandler on a real chi router (mirrors how
+// main.go mounts GET /version) so routing behaves exactly as in production.
+func buildVersionRouter(path string) chi.Router {
+	h := NewVersionHandler(path)
+	r := chi.NewRouter()
+	r.Get("/version", h.Serve)
+	return r
+}
+
+func TestVersionHandler_ServesManifestFromDisk(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "version.yaml")
+	yamlContent := `version: "1.2.3"
+build_number: 10203
+force_update: true
+release_notes: "测试发布说明"
+download_urls:
+  android: "https://api.yanmeiai.com/downloads/pangolin-android.apk"
+  windows: "https://api.yanmeiai.com/downloads/pangolin-windows-x64-setup.exe"
+  macos: ""
+  ios: ""
+changelog:
+  - version: "1.2.3"
+    date: "2026-07-06"
+    intro: "小版本更新"
+    sections:
+      - type: "新增"
+        items:
+          - "示例条目"
+`
+	if err := os.WriteFile(path, []byte(yamlContent), 0o644); err != nil {
+		t.Fatalf("write fixture: %v", err)
+	}
+
+	r := buildVersionRouter(path)
+	req := httptest.NewRequest("GET", "/version", nil)
+	rec := httptest.NewRecorder()
+	r.ServeHTTP(rec, req)
+
+	if rec.Code != 200 {
+		t.Fatalf("status = %d, want 200; body=%s", rec.Code, rec.Body.String())
+	}
+
+	var got versionManifest
+	if err := json.Unmarshal(rec.Body.Bytes(), &got); err != nil {
+		t.Fatalf("unmarshal response: %v; body=%s", err, rec.Body.String())
+	}
+
+	if got.Version != "1.2.3" {
+		t.Errorf("version = %q, want %q", got.Version, "1.2.3")
+	}
+	if got.BuildNumber != 10203 {
+		t.Errorf("build_number = %d, want %d", got.BuildNumber, 10203)
+	}
+	if !got.ForceUpdate {
+		t.Errorf("force_update = false, want true")
+	}
+	if got.ReleaseNotes != "测试发布说明" {
+		t.Errorf("release_notes = %q, want %q", got.ReleaseNotes, "测试发布说明")
+	}
+	if got.DownloadURLs["android"] != "https://api.yanmeiai.com/downloads/pangolin-android.apk" {
+		t.Errorf("download_urls.android = %q", got.DownloadURLs["android"])
+	}
+	if got.DownloadURLs["windows"] != "https://api.yanmeiai.com/downloads/pangolin-windows-x64-setup.exe" {
+		t.Errorf("download_urls.windows = %q", got.DownloadURLs["windows"])
+	}
+	if got.DownloadURLs["macos"] != "" || got.DownloadURLs["ios"] != "" {
+		t.Errorf("expected empty macos/ios download URLs, got macos=%q ios=%q", got.DownloadURLs["macos"], got.DownloadURLs["ios"])
+	}
+	if len(got.Changelog) != 1 || got.Changelog[0].Version != "1.2.3" {
+		t.Errorf("changelog = %+v, want 1 entry for version 1.2.3", got.Changelog)
+	}
+}
+
+func TestVersionHandler_MissingFileReturnsDefault(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "does-not-exist.yaml")
+
+	r := buildVersionRouter(path)
+	req := httptest.NewRequest("GET", "/version", nil)
+	rec := httptest.NewRecorder()
+	r.ServeHTTP(rec, req)
+
+	if rec.Code != 200 {
+		t.Fatalf("status = %d, want 200 (missing file falls back to default manifest); body=%s", rec.Code, rec.Body.String())
+	}
+
+	var got versionManifest
+	if err := json.Unmarshal(rec.Body.Bytes(), &got); err != nil {
+		t.Fatalf("unmarshal response: %v; body=%s", err, rec.Body.String())
+	}
+	if got.Version == "" {
+		t.Errorf("default manifest: version should not be empty")
+	}
+	if got.DownloadURLs["android"] == "" {
+		t.Errorf("default manifest: download_urls.android should not be empty")
+	}
+	if got.DownloadURLs["windows"] == "" {
+		t.Errorf("default manifest: download_urls.windows should not be empty")
+	}
+	if got.Changelog == nil {
+		t.Errorf("default manifest: changelog should be [] not null")
+	}
+}
+
+func TestVersionHandler_JSONShape(t *testing.T) {
+	dir := t.TempDir()
+	path := filepath.Join(dir, "version.yaml")
+	if err := os.WriteFile(path, []byte(`version: "1.0.0"
+build_number: 10000
+force_update: false
+release_notes: ""
+download_urls:
+  android: "https://example.com/a.apk"
+`), 0o644); err != nil {
+		t.Fatalf("write fixture: %v", err)
+	}
+
+	r := buildVersionRouter(path)
+	req := httptest.NewRequest("GET", "/version", nil)
+	rec := httptest.NewRecorder()
+	r.ServeHTTP(rec, req)
+
+	var raw map[string]json.RawMessage
+	if err := json.Unmarshal(rec.Body.Bytes(), &raw); err != nil {
+		t.Fatalf("unmarshal raw response: %v", err)
+	}
+	for _, key := range []string{"version", "build_number", "force_update", "release_notes", "download_urls", "changelog"} {
+		if _, ok := raw[key]; !ok {
+			t.Errorf("response missing expected top-level key %q; body=%s", key, rec.Body.String())
+		}
+	}
+	// changelog must serialize as an array even when the manifest omits it —
+	// front-ends should be able to blindly .map()/range over it.
+	if string(raw["changelog"]) != "[]" {
+		t.Errorf("changelog = %s, want []", raw["changelog"])
+	}
+	if ct := rec.Header().Get("Content-Type"); ct != "application/json; charset=utf-8" {
+		t.Errorf("Content-Type = %q, want application/json; charset=utf-8", ct)
+	}
+}
+
+func TestVersionHandler_DefaultPathFallback(t *testing.T) {
+	h := NewVersionHandler("")
+	if h.path != defaultVersionManifestPath {
+		t.Errorf("NewVersionHandler(\"\").path = %q, want %q", h.path, defaultVersionManifestPath)
+	}
+}

web/usercenter/app/layout.tsx

@@ -14,7 +14,7 @@ export const viewport: Viewport = {
 
 export default function RootLayout({ children }: { children: React.ReactNode }) {
   return (
-    <html lang="zh" data-theme="light">
+    <html lang="zh" data-theme="light" suppressHydrationWarning>
       <head>
         {/* 设计令牌单一真相源,原样链入(SRI 由构建期注入) */}
         {/* eslint-disable-next-line @next/next/no-css-tags */}

web/usercenter/app/sso/page.tsx

@@ -0,0 +1,102 @@
+'use client';
+// app/sso/page.tsx — App→网页免登录落地页(镜像 jiu 的 web/sso.njk)。
+//
+// 流程：App 已持正常登录态,先 POST /v1/auth/web-ticket 签一次性票据(60s TTL、
+// 单次可用),再打开系统浏览器到 https://<usercenter>/sso/?t=<ticket>&redirect=<本站路径>。
+// 本页凭票 POST /v1/auth/web-ticket/exchange(公开端点)兑换与 login() 同形状的
+// token pair,经与登录页相同的 setSession(见 lib/api/http.ts::exchangeWebTicket)
+// 落地会话,再跳 redirect —— 其余页面(UserCenter.tsx)据此把它当作一次正常登录。
+//
+// 因 next.config.js 是 output:'export' 的纯静态导出,这里没有服务端 searchParams
+// 可用,票据与 redirect 目标都在挂载后从 window.location.search 读取。
+//
+// 安全要点(与 jiu 的 sso.njk 一致)：
+//   - URL 只携带一次性票据,从不携带真正的 access/refresh token;
+//   - redirect 白名单：仅接受单个 '/' 开头、且不以 '//' 或反斜杠开头的本站相对
+//     路径,其余一律回退到 '/'(登录页),防 open redirect;
+//   - 票据用后立即从地址栏抹掉(history.replaceState),不留浏览器历史;
+//   - 兑换失败(票据无效/过期/已用)一律落回登录页('/'),不泄露失败原因细节。
+import React, { useEffect, useState } from 'react';
+import { Mark } from '../../components/icons';
+import { ErrorLine } from '../../components/Login';
+import { card } from '../../components/shared';
+import { useUI } from '../../lib/theme';
+import { makeT } from '../../lib/i18n';
+import { getClient } from '../../lib/api/client';
+import { bilingual } from '../../lib/api/errors';
+
+/** redirect 白名单：仅本站相对路径(单个 '/' 开头),其余一律回 '/'。 */
+function safeRedirect(raw: string | null): string {
+  if (!raw) return '/';
+  if (raw.charAt(0) !== '/' || raw.charAt(1) === '/' || raw.indexOf('\\') >= 0) return '/';
+  return raw;
+}
+
+export default function SsoPage() {
+  const { lang } = useUI();
+  const t = makeT(lang);
+  const [failed, setFailed] = useState(false);
+  const [msg, setMsg] = useState('');
+
+  useEffect(() => {
+    let alive = true;
+    const params = new URLSearchParams(window.location.search);
+    const ticket = params.get('t');
+    const redirect = safeRedirect(params.get('redirect'));
+
+    // 票据只用一次,立刻从地址栏抹掉,不留浏览器历史(与 jiu 一致)。
+    try {
+      window.history.replaceState(null, '', '/sso/');
+    } catch {
+      /* ignore */
+    }
+
+    if (!ticket) {
+      window.location.replace('/');
+      return;
+    }
+
+    const api = getClient();
+    api
+      .exchangeWebTicket(ticket)
+      .then(() => {
+        if (!alive) return;
+        window.location.replace(redirect);
+      })
+      .catch((e) => {
+        if (!alive) return;
+        setMsg(bilingual(e, lang));
+        setFailed(true);
+        setTimeout(() => {
+          window.location.replace('/');
+        }, 1500);
+      });
+
+    return () => {
+      alive = false;
+    };
+    // 仅挂载时读取一次 URL 并发起兑换;lang 变化不应重跑网络请求。
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, []);
+
+  return (
+    <div style={{ minHeight: '100vh', display: 'flex', alignItems: 'center', justifyContent: 'center', background: 'var(--bg)', padding: 24 }}>
+      <div style={{ ...card, width: 420, maxWidth: '100%', padding: '36px 34px', boxSizing: 'border-box', textAlign: 'center' }}>
+        <div style={{ display: 'flex', justifyContent: 'center', marginBottom: 18 }}>
+          <Mark size={32} />
+        </div>
+        <div style={{ fontFamily: 'var(--font-display)', fontWeight: 700, fontSize: 20, color: 'var(--fg1)' }}>
+          {failed ? t('ssoFailTitle') : t('ssoTitle')}
+        </div>
+        <div style={{ fontSize: 13.5, color: 'var(--fg3)', margin: '8px 0 0' }}>
+          {failed ? t('ssoFailHint') : t('ssoMsg')}
+        </div>
+        {failed && msg && (
+          <div style={{ marginTop: 16, display: 'flex', justifyContent: 'center' }}>
+            <ErrorLine text={msg} />
+          </div>
+        )}
+      </div>
+    </div>
+  );
+}

web/usercenter/components/UserCenter.tsx

@@ -100,10 +100,9 @@ export default function UserCenter() {
     setView('overview');
   }
 
-  if (!ready) {
-    return <div style={{ minHeight: '100vh', background: 'var(--bg)' }} />;
-  }
-  if (!authed) {
+  // 静态导出无服务端会话:首屏(!ready)与未登录一律直接渲染登录页,避免出现空白
+  // 背景(慢网络下用户会看到"空的")。已登录用户(有 refresh)会话续期完成后再切面板。
+  if (!ready || !authed) {
     return <Login onDone={() => { setAuthed(true); setView('overview'); }} />;
   }
 

web/usercenter/lib/api/errors.ts

@@ -18,6 +18,7 @@ export const ERROR_TEXT: Record<string, { zh: string; en: string }> = {
   device_limit: { zh: '设备数量已达上限', en: 'Device limit reached' },
   device_not_found: { zh: '设备不存在', en: 'Device not found' },
   unauthorized: { zh: '登录已失效,请重新登录', en: 'Session expired, please log in again' },
+  'auth.ticket_invalid': { zh: '登录票据无效或已过期，请重新从 App 打开', en: 'Login ticket is invalid or expired, please reopen from the app' },
   network: { zh: '网络异常,请稍后重试', en: 'Network error, please retry' },
   unknown: { zh: '操作失败,请稍后重试', en: 'Something went wrong, please retry' },
 };

web/usercenter/lib/api/http.ts

@@ -142,6 +142,21 @@ export class HttpClient implements ApiClient {
     return session;
   }
 
+  // App→Web 免登录：POST /v1/auth/web-ticket/exchange(公开端点,无 Authorization 头)。
+  // 服务端消费一次性票据后返回与 /v1/auth/login 相同的扁平 TokenPair(不会走 TOTP 分支——
+  // 票据本身已代表 App 内已完成的完整登录),故直接映射 session 并 setSession,与
+  // login()/loginTotp() 落地同一份会话状态。
+  async exchangeWebTicket(ticket: string): Promise<Session> {
+    const r = await this.request<RawTokenPair>('/v1/auth/web-ticket/exchange', {
+      method: 'POST',
+      body: { ticket },
+      auth: false,
+    });
+    const session = mapSession(r);
+    setSession(session);
+    return session;
+  }
+
   async refresh(): Promise<Session> {
     const rt = getRefreshToken();
     if (!rt) throw new ApiError({ code: 'unauthorized', message_zh: '登录已失效', message_en: 'Session expired' });

web/usercenter/lib/api/mock.ts

@@ -64,6 +64,21 @@ export class MockClient implements ApiClient {
     return s;
   }
 
+  // 演示态：任意非 'invalid' 票据都兑换成功;'invalid' 用于验收失败态文案。
+  async exchangeWebTicket(ticket: string): Promise<Session> {
+    await delay(300);
+    if (ticket === 'invalid') {
+      throw new ApiError({
+        code: 'auth.ticket_invalid',
+        message_zh: '登录票据无效或已过期，请重新从 App 打开',
+        message_en: 'Login ticket is invalid or expired, please reopen from the app',
+      });
+    }
+    const s = makeSession();
+    setSession(s);
+    return s;
+  }
+
   async refresh(): Promise<Session> {
     await delay(150);
     const s = makeSession();

web/usercenter/lib/api/types.ts

@@ -82,6 +82,8 @@ export interface ApiClient {
   login(email: string, password: string): Promise<LoginResult>;
   /** 登录二段式：提交 TOTP 动态码换取 session */
   loginTotp(pendingToken: string, code: string): Promise<Session>;
+  /** App→Web 免登录：凭一次性票据兑换与 login() 同形状的会话(公开端点,无需 TOTP) */
+  exchangeWebTicket(ticket: string): Promise<Session>;
   refresh(): Promise<Session>;
   getMe(): Promise<Me>;
   getSubscription(): Promise<SubscriptionInfo>;

web/usercenter/lib/i18n.ts

@@ -27,6 +27,12 @@ export const STRINGS: Record<string, Entry> = {
   loginLocked: { zh: '失败次数过多,账户已临时锁定', en: 'Too many attempts — account temporarily locked' },
   lockedCountdown: { zh: '请于 {s} 秒后重试', en: 'Try again in {s}s' },
 
+  /* sso（App→网页免登录落地页） */
+  ssoTitle: { zh: '正在登录…', en: 'Signing in…' },
+  ssoMsg: { zh: '正在验证来自 App 的登录票据', en: 'Verifying the sign-in ticket from the app' },
+  ssoFailTitle: { zh: '登录跳转失败', en: 'Sign-in redirect failed' },
+  ssoFailHint: { zh: '即将跳转到登录页,请手动登录', en: 'Redirecting to the login page, please sign in manually' },
+
   /* overview */
   greeting: { zh: '欢迎回来', en: 'Welcome back' },
   curPlan: { zh: '当前套餐', en: 'Current plan' },

web/website/src/components/Download.astro

@@ -6,14 +6,13 @@ import { SITE } from '../config/site';
 interface Props { t: T }
 const { t } = Astro.props;
 
-// href 缺省 = 本轮未接入下载（iOS / macOS / Windows / Linux），按钮渲染为禁用态占位。
-// 本轮仅 Android 有真实产物;Windows 待其 CI(需 windows runner)产出 exe 后接
-// SITE.downloads.windows(已在 site.ts 备好)。
+// href 缺省 = 本轮未接入下载（iOS / macOS / Linux），按钮渲染为禁用态占位。
+// Android + Windows 已由客户端 CI 产出真实产物并部署到 /downloads。
 const plats: { icon: string; name: string; ver: string; href?: string }[] = [
   { icon: 'smartphone', name: 'iOS', ver: 'iOS 16+' },
   { icon: 'smartphone', name: 'Android', ver: 'Android 9+', href: SITE.downloads.android },
   { icon: 'laptop', name: 'macOS', ver: 'macOS 12+' },
-  { icon: 'monitor', name: 'Windows', ver: 'Win 10/11' },
+  { icon: 'monitor', name: 'Windows', ver: 'Win 10/11', href: SITE.downloads.windows },
   { icon: 'terminal', name: 'Linux', ver: 'deb / rpm' },
 ];
 ---