- Add scrape_media.py using Playwright+Chromium to bypass Cloudflare/anti-bot
- Add run_playwright_scraper() Rust helper (spawns Python, probes venv)
- Add playwright_to_download_result() JSON->DownloadResult converter
- Instagram/Facebook: try downr.org, fall back to Playwright (returns real cdninstagram/fbcdn URLs)
- Twitter: scope scraper::Html/Selector parsing in a block so the future stays Send, then Playwright fallback
- Revert --impersonate chrome (unsupported on Linux) to --user-agent
- Install Chromium browsers to /usr/local/share/ms-playwright for all users
