Function parseBrief

design/src/brief.ts:46–59

(input: string, isFile: boolean)

 * Parse a brief from either a plain text string or a JSON file path.
 */
export function parseBrief(input: string, isFile: boolean): string {
  if (!isFile) {
    // Plain text prompt — use directly
    return input;
  }

  // JSON file — parse and convert to prompt
  const raw = Bun.file(input);
  // We'll read it synchronously via fs since Bun.file is async
  const fs = require("fs");
  const content = fs.readFileSync(input, "utf-8");
  const brief: DesignBrief = JSON.parse(content);
  return briefToPrompt(brief);
}