feat(打包): 添加Windows单文件打包脚本和工具安装脚本

添加install_build_tools.bat用于自动安装构建工具
添加package_windows_single_exe.ps1用于打包Flutter应用为单文件
改进inno_setup.sas增加卸载清理逻辑和进程终止功能

windows/packaging/exe/inno_setup.sas

@@ -49,7 +49,7 @@ CloseApplications=force
 {% endfor %}
 
 [Tasks]
-Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: {% if CREATE_DESKTOP_ICON != true %}unchecked{% else %}checkedonce{% endif %}
+Name: "desktopicon"; Description: "{cm:CreateDesktopIcon}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: checkedonce
 Name: "launchAtStartup"; Description: "{cm:AutoStartProgram,{{DISPLAY_NAME}}}"; GroupDescription: "{cm:AdditionalIcons}"; Flags: {% if LAUNCH_AT_STARTUP != true %}unchecked{% else %}checkedonce{% endif %}
 [Files]
 Source: "{{SOURCE_DIR}}\\*"; DestDir: "{app}"; Flags: ignoreversion recursesubdirs createallsubdirs
@@ -62,14 +62,82 @@ Name: "{userstartup}\\{{DISPLAY_NAME}}"; Filename: "{app}\\{{EXECUTABLE_NAME}}";
 [Run]
 Filename: "{app}\\{{EXECUTABLE_NAME}}"; Description: "{cm:LaunchProgram,{{DISPLAY_NAME}}}"; Flags: {% if PRIVILEGES_REQUIRED == 'admin' %}runascurrentuser{% endif %} nowait postinstall skipifsilent
 
+[UninstallDelete]
+Type: filesandordirs; Name: "{app}"
+Type: filesandordirs; Name: "{localappdata}\\{{DISPLAY_NAME}}"
+Type: filesandordirs; Name: "{userappdata}\\{{DISPLAY_NAME}}"
+Type: filesandordirs; Name: "{tmp}\\{{DISPLAY_NAME}}"
+
+[Registry]
+Root: HKCU; Subkey: "Software\\{{DISPLAY_NAME}}"; Flags: uninsdeletekey
+Root: HKLM; Subkey: "Software\\{{DISPLAY_NAME}}"; Flags: uninsdeletekey
 
 [Code]
-function InitializeSetup(): Boolean;
-var
-  ResultCode: Integer;
+procedure AppendLog(S: string);
 begin
-  Exec('taskkill', '/F /IM BearVPN.exe', '', SW_HIDE, ewWaitUntilTerminated, ResultCode)
-  Exec('net', 'stop "BearVPNTunnelService"', '', SW_HIDE, ewWaitUntilTerminated, ResultCode)
-  Exec('sc.exe', 'delete "BearVPNTunnelService"', '', SW_HIDE, ewWaitUntilTerminated, ResultCode)
+  SaveStringToFile(ExpandConstant('{tmp}\\{{DISPLAY_NAME}}_installer.log'), S + #13#10, True);
+end;
+
+procedure TerminateProcesses();
+var ResultCode: Integer;
+begin
+  try
+    Exec('taskkill', '/F /IM {{EXECUTABLE_NAME}}', '', SW_HIDE, ewWaitUntilTerminated, ResultCode);
+  except
+    AppendLog('terminate failed: {{EXECUTABLE_NAME}}');
+  end;
+  try
+    Exec('taskkill', '/F /IM BearVPNCli.exe', '', SW_HIDE, ewWaitUntilTerminated, ResultCode);
+  except
+    AppendLog('terminate failed: BearVPNCli.exe');
+  end;
+end;
+
+procedure StopServices();
+var ResultCode: Integer;
+begin
+  try
+    Exec('net', 'stop "BearVPNTunnelService"', '', SW_HIDE, ewWaitUntilTerminated, ResultCode);
+    Exec('sc.exe', 'delete "BearVPNTunnelService"', '', SW_HIDE, ewWaitUntilTerminated, ResultCode);
+  except
+    AppendLog('service stop/delete failed: BearVPNTunnelService');
+  end;
+end;
+
+procedure CleanPaths();
+var ok: Boolean;
+begin
+  try
+    if DirExists(ExpandConstant('{app}')) then
+      ok := DelTree(ExpandConstant('{app}'), True, True, True)
+    else ok := True;
+    if not ok then AppendLog('delete failed: {app}');
+  except
+    AppendLog('exception deleting: {app}');
+  end;
+  try
+    if DirExists(ExpandConstant('{localappdata}\\{{DISPLAY_NAME}}')) then
+      ok := DelTree(ExpandConstant('{localappdata}\\{{DISPLAY_NAME}}'), True, True, True);
+    if DirExists(ExpandConstant('{userappdata}\\{{DISPLAY_NAME}}')) then
+      ok := DelTree(ExpandConstant('{userappdata}\\{{DISPLAY_NAME}}'), True, True, True);
+    if DirExists(ExpandConstant('{tmp}\\{{DISPLAY_NAME}}')) then
+      ok := DelTree(ExpandConstant('{tmp}\\{{DISPLAY_NAME}}'), True, True, True);
+  except
+    AppendLog('exception deleting user data');
+  end;
+end;
+
+function InitializeSetup(): Boolean;
+begin
+  TerminateProcesses();
+  StopServices();
   Result := True;
-end;
+end;
+
+function InitializeUninstall(): Boolean;
+begin
+  TerminateProcesses();
+  StopServices();
+  CleanPaths();
+  Result := True;
+end;