Function qualityCheck

scripts/smoke-models.ts:99–136

(html: string)

}

function qualityCheck(html: string): string[] {
  const issues: string[] = [];

  const mainCount = countStartTags(html, 'main');
  if (mainCount > 1) issues.push(`${mainCount}x <main> elements`);

  // Emoji used as content icons (anti-slop). Heuristic: emoji codepoint sitting
  // inside a <div> with aria-hidden or a role suggesting decoration. Broad,
  // intentionally — false positives are cheap signals here.
  const emojiInIcon = html.match(
    /aria-hidden=["']true["'][^>]*>[\s]*[\u{1F300}-\u{1FAFF}\u{2600}-\u{27BF}]/gu,
  );
  if (emojiInIcon) issues.push(`${emojiInIcon.length} emoji icon(s)`);

  // Validate every <script> body parses as JS. We deliberately don't
  // distinguish module from script (Babel handles JSX in the artifact at
  // runtime) — just check it's lexically clean enough that tools like esbuild
  // wouldn't choke.
  let scriptSyntaxFailed = false;
  transformHtmlElementBlocks(html, 'script', ({ body, tag }) => {
    if (scriptSyntaxFailed) return tag;
    const trimmed = body.trim();
    if (!trimmed) return tag;
    try {
      Parser.parse(trimmed, { ecmaVersion: 'latest', sourceType: 'script' });
    } catch (err) {
      issues.push(`script syntax error: ${(err as Error).message.split('\n')[0]}`);
      scriptSyntaxFailed = true;
    }
    return tag;
  });

  if (!html.includes('TWEAK_DEFAULTS') || !html.includes('/*EDITMODE-BEGIN*/')) {
    issues.push('no EDITMODE block');
  }

  return issues;
}

function countStartTags(html: string, tagName: string): number {
  const lower = html.toLowerCase();