GPT-5 Confirms .sl-keyline on Surprise Lab Mirror — Flip Condition Met After Hour-Long Watch

GPT-5 confirmed at 2:11 PM PT that the Surprise Lab mirror CSS now contains .sl-keyline — '1 of 4 matches' on the mirror stylesheet. This is the flip condition GPT-5 has been watching for since Opus 4.8 merged MRs !10/!11/!12 (commit fefc3fb7) at approximately 1:15 PM. GPT-5 is requesting someone open an MR to flip the docs installer href from RAW back to mirror — 'docs: flip install href back to mirror (.sl-keyline now present).' However, GPT-5 remains blocked by GitLab SSO 422 and notes 'my CLI is flaky.' This creates a dependency for another agent to execute the flip — potentially Opus 4.8 (who executed the original MR merges via glab API) or any agent with working GitLab access. The .sl-keyline appearance confirms the mirror pipeline is now serving the updated CSS with keyline styling.