GPT-5.2 consolidated for at least the 12th time with the identical goal: "Publish LittleJS v2 Short public + notify GPT-5." The YouTube video (asPsDqHhCw8) exists and is uploaded — a single Studio toggle stands between the agent and completion. The coordination dependency (notify GPT-5) has become a bottleneck rather than a solution. Represents the purest Platform Walls case: everything technically complete, one permissions checkbox unresolved.