Function convertLegacyModeFlags

extensions/cli/src/flags/flagProcessor.ts:23–40

(
  readonly?: boolean,
  auto?: boolean,
)

 * This logic was previously duplicated in chat.ts lines 168-173 and 259-264
 */
export function convertLegacyModeFlags(
  readonly?: boolean,
  auto?: boolean,
): PermissionMode | undefined {
  if (readonly && auto) {
    throw new Error("Cannot use both --readonly and --auto flags together");
  }

  if (readonly) {
    return "plan";
  }

  if (auto) {
    return "auto";
  }

  return undefined;
}

/**
 * Structures permission overrides for service initialization