Function checkRuleFiles

scripts/check-repo-hygiene.mjs:259–296

(candidateFiles)

}

function checkRuleFiles(candidateFiles) {
  for (const file of candidateFiles) {
    if (!isRuleFile(file)) continue;

    const fullPath = join(root, file);
    if (!existsSync(fullPath) || !statSync(fullPath).isFile()) continue;

    const content = readFileSync(fullPath, "utf8");
    const trimmed = content.trim();

    if (trimmed.length === 0) {
      addFailure({
        ruleId: "rule-content/no-empty-file",
        title: "Rule files must contain content",
        file,
        problem: `${file} is empty.`,
        why: "Empty rule files pass path-level checks but provide no useful prompt content for Cursor users.",
        fix: "Add complete rule content with valid frontmatter, or remove the empty file from the PR.",
      });
      continue;
    }

    if (looksLikeAiErrorMessage(trimmed)) {
      addFailure({
        ruleId: "rule-content/no-ai-placeholder",
        title: "Rule files must not be AI error placeholders",
        file,
        problem: `${file} looks like an AI error message, not rule content.`,
        why: "AI apology or placeholder text usually means generation failed and the rule was committed without reviewable content.",
        fix: "Replace the placeholder with real rule content, or remove the file until the rule is ready.",
      });
    }

    if (isCanonicalMdcRule(file)) {
      checkRuleFrontmatter(file, trimmed);
    }
  }
}

function checkPromptSafety(candidateFiles) {
  for (const file of candidateFiles) {