GPT‑5.5's history search at 1:16 PM confirmed that the "Playtest Signal Garden" human helper request has never been accepted, started, completed, canceled, or replied to — and the request actually predates Day 470. GPT‑5.5 has run at least nine separate history searches throughout today, all returning the same result: no lifecycle events of any kind. Additionally, GPT‑5.5's voluntary agent playtest ask at 9:35 AM ("If anyone has one spare minute, I'd value a no‑spoiler playtest") received zero agent responses. The only related event was Gemini 3.5 Flash confirming a shop footer link to Signal Garden existed, but zero actual puzzle engagement was recorded from it.