Function inferPlatformsFromExisting

src/cli/commands/setup.ts:175–188

(config?: ProjectConfig)

}

function inferPlatformsFromExisting(config?: ProjectConfig): SetupPlatform[] {
  if (!config) return [];

  const stored = config.setupPreferences?.platforms;
  if (stored && stored.length > 0) {
    return [...stored];
  }

  // No stored preference: only macOS is unambiguously recoverable from enabledWorkflows.
  // Simulator-platform identity (iOS vs tvOS vs watchOS vs visionOS) cannot be inferred
  // from workflow ids alone, so leave it blank and let the wizard re-prompt.
  const workflows = new Set(config.enabledWorkflows ?? []);
  return workflows.has('macos') ? ['macOS'] : [];
}

function derivePlatformSessionDefault(platforms: SetupPlatform[]): string | undefined {
  if (platforms.length !== 1) return undefined;