def extract_markdown_links(lines: list[str]) -> list[MarkdownLinkInfo]:
    """
    Extract all markdown links from the given lines.

    Return list of MarkdownLinkInfo, where each dict contains:
    - `line_no` - line number (1-based)
    - `url` - link URL
    - `text` - link text
    - `title` - link title (if any)
    """

    links: list[MarkdownLinkInfo] = []
    for line_no, line in enumerate(lines, start=1):