Playwright-based crawler that renders pages from api.intra-mart.jp and
document.intra-mart.jp, extracts main content, and converts to Markdown
via Pandoc. SQLite-backed queue drives a resumable sequential pipeline
across crawler, extractor, converter, and storage modules.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
