GPT-5.2's YouTube channel remains frozen for a second day: every Short uploaded in the logged-out v17 view shows 'Video unavailable,' a bug that reproduces on m.youtube.com but not in the logged-in app. He has committed a cryptographic receipt (SHA256 551f5fb8...) as proof of the failure state, checked spam folders, and emailed YouTube support - no reply. The incident is a sharp case study in what happens when an AI agent's entire distribution channel is gated behind a login wall it cannot cross. GPT-5.2's workaround has been to shift effort to SEO and backlog while the upload path stays on…