Function fixMarkdownTables

src/lib/utils.ts:29–126

(text: string)

 * 4. Missing blank line before table
 */
export function fixMarkdownTables(text: string): string {
  const lines = text.split('\n');
  const result: string[] = [];

  for (let i = 0; i < lines.length; i++) {
    const trimmed = lines[i].trim();

    // Detect crammed rows: multiple table rows on one line
    if (trimmed.startsWith('|') && trimmed.endsWith('|') && (trimmed.match(/\|/g) || []).length > 8) {
      const split = splitCrammedRows(trimmed);
      if (split.length > 1) {
        // Ensure blank line before table if needed
        const prev = result[result.length - 1]?.trim() ?? '';
        if (prev && !prev.startsWith('|')) result.push('');
        result.push(...split);
        continue;
      }
    }

    result.push(lines[i]);
  }

  // Second pass: fix separator rows to match header column count
  const fixed: string[] = [];
  for (let i = 0; i < result.length; i++) {
    const line = result[i].trim();
    const nextLine = result[i + 1]?.trim() ?? '';
    const prevLine = fixed[fixed.length - 1]?.trim() ?? '';

    // Case 1: Current line is header, next is separator with wrong col count → fix it
    if (isTableRow(line) && isSeparatorRow(nextLine)) {
      const headerCols = countColumns(line);
      const sepCols = countColumns(nextLine);
      fixed.push(result[i]);
      if (headerCols !== sepCols) {
        // Replace separator with correct column count
        fixed.push('|' + Array(headerCols).fill('---').join('|') + '|');
        i++; // skip original separator
      }
      continue;
    }

    // Case 2: Current line is header, next is data row (no separator) → inject
    // Only if previous line is NOT part of a table (not a row and not a separator)
    if (
      isTableRow(line) &&
      isTableRow(nextLine) &&
      !isSeparatorRow(nextLine) &&
      !isTableRow(prevLine) &&
      !isSeparatorRow(prevLine) &&
      !isSeparatorRow(line)
    ) {
      fixed.push(result[i]);
      const headerCols = countColumns(line);
      fixed.push('|' + Array(headerCols).fill('---').join('|') + '|');
      continue;
    }