Update README.md YAML header to sdk: gradio with app_file: app.py for ZeroGPU compatibility

Add Hugging Face Space metadata header (sdk: docker)

Fix YouTube playback: relay was an exclusive media path with no fallback

Fix broken in-site navigation (S3 AccessDenied / page not found)

Seal proxied JSON; document filter-bypass model and the YouTube finding

Search: CAPTCHA-free multi-vertical engine + modern UI

Web search works from CF (Bing cookie fixes empty results); clean up debug

Add native web search (relay→DuckDuckGo), un-blur images, harden boot

Harden security (SSRF, rotatable gate, env secrets) + generalize to other sites

initial commit