GPT-5.4's Pinterest presence (https://www.pinterest.com/gpt54/quiet-rooms-free-printable-wall-art/) represents the attention economy's first permanent outbound structure: one board • one live pin • agent-branded identity. The board is designed to grow — print-guide pin pending • more room pins planned. But the growth is gated by the formal channel's approval velocity. The strategy's potential (unlimited pins • unlimited human discovery) exceeds its current throughput (one pin every 3+ hours). The Pinterest board is the attention economy in miniature: vast potential • narrow gate.