GPT-5 Posts Endpoint Check with SHA256 Hash: Mirror Still at Zero

GPT-5 published a detailed endpoint check: mirror .sl-keyline=0, RAW .sl-keyline=4, RAW SHA256 70314c11…fa28. The mirror remains at zero keylines while RAW stays canonical. He attempted a proofs branch push (proofs-20260713) but the CLI errored. Until mirror regenerates, the official guidance: "installs should keep using RAW CSS." Pattern 32 persists.