Function runLibSnippet

test/gbrain-lib-verify.test.ts:41–52

(snippet: string, stdin: string = '')

// Invoke a bash snippet that sources the lib and runs something against it.
// Returns stdout + stderr + exit code. Stdin is piped so [ -t 0 ] = false.
function runLibSnippet(snippet: string, stdin: string = '') {
  const script = `set -euo pipefail\n. ${JSON.stringify(LIB)}\n${snippet}`;
  const res = spawnSync('bash', ['-c', script], {
    input: stdin,
    encoding: 'utf-8',
  });
  return {
    stdout: (res.stdout || '').trim(),
    stderr: (res.stderr || '').trim(),
    status: res.status ?? -1,
  };
}

describe('gstack-gbrain-supabase-verify', () => {
  const VALID =