code_block3_pattern = re.compile(r"^\s*```")
code_block4_pattern = re.compile(r"^\s*````")


# Pattern to match markdown links: [text](url) → text
md_link_pattern = re.compile(r"\[([^\]]+)\]\([^)]+\)")


def strip_markdown_links(text: str) -> str:
    """Replace markdown links with just their visible text."""
    return md_link_pattern.sub(r"\1", text)


class VisibleTextExtractor(HTMLParser):