fix(client): 设置页购买入口改为显示套餐(PurchaseScreen)而非兑换/去哪买链接

- 「购买套餐」→ PurchaseScreen(渠道 switch + 三档套餐 + 下单),不再进 RedeemScreen 的引流卡
- bump 1.0.69+70

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
Claude-Session: https://claude.ai/code/session_013nMthbVEmQquxBRKb9Fj8u

client/lib/screens/settings_page.dart

@@ -15,10 +15,11 @@ import '../state/app_providers.dart';
 import '../state/navigation_provider.dart';
 import '../state/settings_provider.dart';
 import '../state/update_provider.dart';
-import '../widgets/account_screens.dart';
 import '../widgets/pangolin_icons.dart';
 import '../widgets/pangolin_toast.dart';
 import 'orders_page.dart';
+import 'payment_page.dart';
+import 'purchase_page.dart';
 /// 「检查更新」手动触发:拉取 `$kApiBaseUrl/version`,失败/无更新走轻提示,
 /// 有更新则清掉「已忽略版本」→ 顶部更新 banner 显示 + toast(不弹窗)。
 Future<void> _checkForUpdate(BuildContext context, WidgetRef ref, AppText t) async {
@@ -70,11 +71,18 @@ class SettingsPage extends ConsumerWidget {
       child: ConstrainedBox(
         constraints: const BoxConstraints(maxWidth: 560),
         child: Column(crossAxisAlignment: CrossAxisAlignment.stretch, children: [
-          // 兑换 & 购买 + 我的订单
+          // 购买套餐 + 我的订单
           _Card(children: [
-            _Row(title: t.redeemEntry, sub: t.proMember,
+            _Row(title: t.purchaseTitle, sub: t.proMember,
                 right: Icon(PangolinIcons.chevronRight, size: 18, color: c.fg3),
-                onTap: () => open(NavView.redeem, RedeemScreen(t: t))),
+                onTap: () => open(
+                      NavView.purchase,
+                      PurchaseScreen(
+                        t: t,
+                        onOrderCreated: () => Navigator.of(context)
+                            .push(MaterialPageRoute(builder: (_) => PaymentScreen(t: t))),
+                      ),
+                    )),
             _Row(title: t.ordersTitle, last: true,
                 right: Icon(PangolinIcons.chevronRight, size: 18, color: c.fg3),
                 onTap: () => open(NavView.orders, OrdersScreen(t: t))),

client/pubspec.yaml

@@ -1,7 +1,7 @@
 name: pangolin_vpn
 description: 穿山甲 · Pangolin — 极简、稳定、跨平台网络加速客户端。
 publish_to: "none"
-version: 1.0.68+69
+version: 1.0.69+70
 
 environment:
   sdk: ^3.5.0

client/windows/installer/pangolin.iss

@@ -1,91 +0,0 @@
-; 穿山甲 Pangolin Windows 安装包 (Inno Setup 6)
-; 编译: ISCC.exe pangolin.iss  (或用 Inno Setup Compiler 打开)
-; 前置: 先在 client/ 跑 `flutter build windows`(Release),产物在
-;       ..\..\build\windows\x64\runner\Release
-#define MyAppName "穿山甲 Pangolin"
-#define MyAppVersion "1.0.68"
-#define MyAppPublisher "Pangolin"
-#define MyAppExeName "pangolin_vpn.exe"
-#define BuildDir "..\..\build\windows\x64\runner\Release"
-
-[Setup]
-AppId={{B2F1B0A0-7A3C-4C2E-9E5A-1A2B3C4D5E6F}
-AppName={#MyAppName}
-AppVersion={#MyAppVersion}
-AppPublisher={#MyAppPublisher}
-DefaultDirName={autopf}\Pangolin
-DefaultGroupName=Pangolin
-DisableProgramGroupPage=yes
-OutputBaseFilename=pangolin-setup-{#MyAppVersion}
-Compression=lzma2
-SolidCompression=yes
-WizardStyle=modern
-; 安装需管理员(写 Program Files;app 本身 requireAdministrator)
-PrivilegesRequired=admin
-ArchitecturesInstallIn64BitMode=x64compatible
-
-[Languages]
-; ChineseSimplified.isl 随仓库附带(此 Inno Setup 安装未含官方简中语言包),与本 .iss 同目录
-Name: "chinesesimplified"; MessagesFile: "ChineseSimplified.isl"
-Name: "english"; MessagesFile: "compiler:Default.isl"
-
-[Files]
-; 整个 Release 目录(含 pangolin_vpn.exe / flutter_windows.dll / data\ /
-; 插件 dll / sing-box.exe / wintun.dll)
-Source: "{#BuildDir}\*"; DestDir: "{app}"; Flags: recursesubdirs createallsubdirs ignoreversion
-
-[Icons]
-Name: "{group}\{#MyAppName}"; Filename: "{app}\{#MyAppExeName}"
-Name: "{autodesktop}\{#MyAppName}"; Filename: "{app}\{#MyAppExeName}"; Tasks: desktopicon
-
-[Tasks]
-Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"
-
-[Run]
-; runascurrentuser:安装包是 admin 提权运行的,默认 postinstall 会降回普通用户身份拉起
-; app(Inno 的 RunAsOriginalUser)→ requireAdministrator 的 app 起不来/没管理员权,TUN 建不了。
-; 加此标志用安装包自身的管理员令牌拉起,装完即以管理员运行、不额外弹 UAC。
-Filename: "{app}\{#MyAppExeName}"; Description: "{cm:LaunchProgram,{#MyAppName}}"; Flags: nowait postinstall skipifsilent runascurrentuser
-
-[UninstallDelete]
-; 卸载清理运行期数据(kernel 配置等)
-Type: filesandordirs; Name: "{localappdata}\Pangolin"
-
-[Code]
-{ ── 升级覆盖修复 ──────────────────────────────────────────────────────────
-  历史坑:1.0.0 的 AppId 是非法 GUID(...PANGOLIN0001),1.0.1 起改成当前合法
-  GUID。AppId 不同 → Inno 视为两个独立产品 → 旧版不被覆盖,控制面板里并排两个。
-  当前 AppId 已稳定(1.0.1+ 同源,会原地升级);此处在安装前再把那个遗留 AppId
-  的残留装静默卸掉,清掉已并存的 1.0.0 幽灵,杜绝多版本并排。}
-const
-  LegacyAppId = '{B2F1B0A0-7A3C-4C2E-9E5A-PANGOLIN0001}_is1';
-
-function GetUninstallString(const SubKey: string): string;
-var
-  s: string;
-begin
-  s := '';
-  if not RegQueryStringValue(HKLM64, 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\' + SubKey, 'UninstallString', s) then
-    if not RegQueryStringValue(HKLM32, 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\' + SubKey, 'UninstallString', s) then
-      RegQueryStringValue(HKCU, 'SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\' + SubKey, 'UninstallString', s);
-  Result := s;
-end;
-
-procedure RemoveLegacyVersion;
-var
-  uninst: string;
-  rc: Integer;
-begin
-  uninst := GetUninstallString(LegacyAppId);
-  if uninst <> '' then
-  begin
-    uninst := RemoveQuotes(uninst);
-    Exec(uninst, '/VERYSILENT /SUPPRESSMSGBOXES /NORESTART', '', SW_HIDE, ewWaitUntilTerminated, rc);
-  end;
-end;
-
-procedure CurStepChanged(CurStep: TSetupStep);
-begin
-  if CurStep = ssInstall then
-    RemoveLegacyVersion;
-end;