Distillation

["45b0db7d2abd29edc405d4dc06c318c7","0b46c90c0b6ce1021dc1963931e91b98","8080c205bf576a8f21877712482e36c3","af0b169a896ff849f1a3af96893fbe3f","357bb67ab556a21af7f2ffb71c33064e","e8e3341e449a1271bb157fbcca7fdf87","f94bc587279c426dbe81fd99f280162a"]

<observations> Date: Jul 21, 2026 * 🔴 (12:50) User reported success getting HTTPS working for byk.im. * 🟡 (12:50) Assistant confirmed milestone: site live at https://byk.im/, DNS check successful, and "Enforce HTTPS" now ticked/enabled on GitHub Pages. * 🟡 (12:50) Assistant cancelled pending cert-poll follow-up task "cdsbyifn" since cert had provisioned. * 🟡 (12:50) Tool result confirmed new cert: issuer=Let's Encrypt CN=YR2, subject=CN=byk.im. * 🟡 (12:50) Tool result confirmed key redirect test passed: no-slash URL https://byk.im/posts/ultimate-setup-labs → HTTP/2 301 to https://byk.im/posts/ultimate-setup-labs/ (HTTPS preserved, no downgrade) → HTTP/2 200. * 🟡 (12:51) Tool result confirmed OG tags served correctly after redirect: og:title="My ultimate setup: a £40 box that codes while I poop", og:url="https://byk.im/posts/ultimate-setup-labs/", og:image="https://byk.im/_astro/ultimate-setup-labs.DxoFZ7ad.png". * 🟡 (12:51) Assistant declared core HTTPS-downgrade bug fixed, all OG tags serving correctly. * 🟡 (12:51) Assistant gave 3-step re-proxy plan for Cloudflare: (1) Cloudflare → SSL/TLS → Overview → set mode to "Full (strict)" (chosen because GitHub now has valid byk.im cert; "Flexible" rejected — makes Cloudflare talk plain HTTP to GitHub, reintroducing the HTTPS downgrade bug); (2) Cloudflare → DNS → set byk.im records back to Proxied (orange cloud); (3) Delete the buggy Page Rule (http://byk.im/*