fix: stabilize Windows launcher and subsync tests

launcher/config/shared-config-reader.ts

@@ -5,6 +5,7 @@ import { resolveConfigFilePath } from '../../src/config/path-resolution.js';
 
 export function resolveLauncherMainConfigPath(): string {
   return resolveConfigFilePath({
+    appDataDir: process.env.APPDATA,
     xdgConfigHome: process.env.XDG_CONFIG_HOME,
     homeDir: os.homedir(),
     existsSync: fs.existsSync,