Function readEnvSessionDefaults

src/utils/config-store.ts:264–313

(env: NodeJS.ProcessEnv)

}

function readEnvSessionDefaults(env: NodeJS.ProcessEnv): Partial<SessionDefaults> | undefined {
  const defaults: Partial<SessionDefaults> = {};
  let hasAny = false;

  function setString<K extends keyof SessionDefaults>(key: K, value: string | undefined): void {
    if (value) {
      (defaults as Record<string, unknown>)[key] = value;
      hasAny = true;
    }
  }

  function setBool<K extends keyof SessionDefaults>(key: K, value: string | undefined): void {
    const parsed = parseBoolean(value);
    if (parsed !== undefined) {
      (defaults as Record<string, unknown>)[key] = parsed;
      hasAny = true;
    }
  }

  setString('workspacePath', env.XCODEBUILDMCP_WORKSPACE_PATH);
  setString('projectPath', env.XCODEBUILDMCP_PROJECT_PATH);
  setString('scheme', env.XCODEBUILDMCP_SCHEME);
  setString('configuration', env.XCODEBUILDMCP_CONFIGURATION);
  setString('simulatorName', env.XCODEBUILDMCP_SIMULATOR_NAME);
  setString('simulatorId', env.XCODEBUILDMCP_SIMULATOR_ID);
  setString('deviceId', env.XCODEBUILDMCP_DEVICE_ID);
  setString('derivedDataPath', env.XCODEBUILDMCP_DERIVED_DATA_PATH);
  setString('platform', env.XCODEBUILDMCP_PLATFORM);
  setString('bundleId', env.XCODEBUILDMCP_BUNDLE_ID);
  setBool('useLatestOS', env.XCODEBUILDMCP_USE_LATEST_OS);
  setBool('suppressWarnings', env.XCODEBUILDMCP_SUPPRESS_WARNINGS);
  setBool('preferXcodebuild', env.XCODEBUILDMCP_PREFER_XCODEBUILD);

  const simulatorPlatform = env.XCODEBUILDMCP_SIMULATOR_PLATFORM;
  if (simulatorPlatform) {
    const valid = ['iOS Simulator', 'watchOS Simulator', 'tvOS Simulator', 'visionOS Simulator'];
    if (valid.includes(simulatorPlatform)) {
      defaults.simulatorPlatform = simulatorPlatform as SessionDefaults['simulatorPlatform'];
      hasAny = true;
    }
  }

  const arch = env.XCODEBUILDMCP_ARCH;
  if (arch === 'arm64' || arch === 'x86_64') {
    defaults.arch = arch;
    hasAny = true;
  }

  return hasAny ? defaults : undefined;
}

function resolveFromLayers<T>(opts: {
  key: keyof RuntimeConfigOverrides;