Function findConfigFile

apps/vscode/src/config.ts:23–35

(startDir: string)

 * Returns the absolute path to the config file, or null if not found.
 */
export function findConfigFile(startDir: string): string | null {
  let current = startDir;
  while (true) {
    const candidate = path.join(current, CONFIG_FILENAME);
    if (fs.existsSync(candidate)) {
      return candidate;
    }
    const parent = path.dirname(current);
    if (parent === current) break; // reached filesystem root
    current = parent;
  }
  return null;
}

/**
 * Parse a `.taskmd.yaml` config file. Returns null on any error.