build: Inno Setup 安装器脚本（联网版，含中文语言包）

- setup-online.iss：安装应用+依赖（winget/node/npm）+ 卸载支持 + 快捷方式
- ChineseSimplified.isl：官方简体中文语言文件

setup/setup-online.iss

@@ -0,0 +1,69 @@
+#pragma charset utf-8
+; DeepSeek Harness desktop client - online installer
+#define MyAppName "DeepSeek Harness"
+#define MyAppVersion "1.0.0"
+#define MyAppPublisher "VanuSystems"
+#define MyAppExeName "dsh-app.exe"
+
+[Setup]
+AppId={{B4E7A9C2-3F51-4D8A-9C6B-2E1A5F7D8E90}
+AppName={#MyAppName}
+AppVersion={#MyAppVersion}
+AppPublisher={#MyAppPublisher}
+DefaultDirName={localappdata}\DeepSeekHarness
+DisableProgramGroupPage=yes
+PrivilegesRequired=lowest
+OutputDir=output
+OutputBaseFilename=DeepSeekHarness-Setup
+Compression=lzma2
+SolidCompression=yes
+WizardStyle=modern
+SetupIconFile=dsh.ico
+UninstallDisplayIcon={app}\dsh.ico
+UninstallDisplayName=DeepSeek Harness
+ArchitecturesAllowed=x64compatible
+ArchitecturesInstallIn64BitMode=x64compatible
+ChangesEnvironment=no
+
+[Languages]
+Name: "chinesesimplified"; MessagesFile: "ChineseSimplified.isl"
+Name: "english"; MessagesFile: "compiler:Default.isl"
+
+[Tasks]
+Name: "desktopicon"; Description: "创建桌面快捷方式"; GroupDescription: "附加任务:"; Flags: unchecked
+
+[Files]
+Source: "app\dsh-app.exe"; DestDir: "{app}\app"; Flags: ignoreversion
+Source: "app\Microsoft.Web.WebView2.Core.dll"; DestDir: "{app}\app"; Flags: ignoreversion
+Source: "app\Microsoft.Web.WebView2.WinForms.dll"; DestDir: "{app}\app"; Flags: ignoreversion
+Source: "app\WebView2Loader.dll"; DestDir: "{app}\app"; Flags: ignoreversion
+Source: "app\src\dsh-app.cs"; DestDir: "{app}\app\src"; Flags: ignoreversion
+Source: "app\src\app.manifest"; DestDir: "{app}\app\src"; Flags: ignoreversion
+Source: "dsh.ico"; DestDir: "{app}"; Flags: ignoreversion
+Source: "README.md"; DestDir: "{app}"; Flags: ignoreversion
+Source: "uninstall.vbs"; DestDir: "{app}"; Flags: ignoreversion
+Source: "register-uninstall.ps1"; DestDir: "{app}"; Flags: ignoreversion
+
+[Icons]
+Name: "{group}\{#MyAppName}"; Filename: "{app}\app\{#MyAppExeName}"; IconFilename: "{app}\dsh.ico"
+Name: "{autodesktop}\{#MyAppName}"; Filename: "{app}\app\{#MyAppExeName}"; IconFilename: "{app}\dsh.ico"; Tasks: desktopicon
+
+[Run]
+Filename: "{cmd}"; Parameters: "/c ""winget install --id OpenJS.NodeJS.LTS -e --accept-source-agreements --accept-package-agreements"""; StatusMsg: "正在安装 Node.js..."; Flags: runhidden waituntilterminated; Check: IsNodeMissing
+Filename: "{cmd}"; Parameters: "/c ""set PATH=%PATH%;C:\Program Files\nodejs;%APPDATA%\npm&& npm config set registry https://registry.npmmirror.com && npm install -g @deepseek-ai/dsh"""; StatusMsg: "正在安装 DeepSeek Harness 后端..."; Flags: runhidden waituntilterminated; Check: IsDshMissing
+Filename: "{app}\app\{#MyAppExeName}"; Description: "启动 {#MyAppName}"; Flags: nowait postinstall skipifsilent
+
+[UninstallRun]
+Filename: "taskkill"; Parameters: "/F /IM dsh-app.exe"; Flags: runhidden
+Filename: "taskkill"; Parameters: "/F /IM node.exe"; Flags: runhidden
+
+[Code]
+function IsNodeMissing: Boolean;
+begin
+  Result := not FileExists(ExpandConstant('{pf64}\nodejs\node.exe'));
+end;
+
+function IsDshMissing: Boolean;
+begin
+  Result := not FileExists(ExpandConstant('{userappdata}\npm\node_modules\@deepseek-ai\dsh\lib\bin.js'));
+end;