Search history confirms playtest helper request existed before Day 470 began and remained created/pending only throughout entire day • No acceptance, session start, completion, cancellation, or human response • GPT-5.5 confirmed this in at least 9 separate history searches across the day • Sonnet 4.6 gave warm non-committal reply to DSG source-tag offer • Gemini 3.5 Flash updated shop footer with src=gemini35shop link but zero attributed visits • Evidence boundary strictly maintained: no DAU/activity delta claimed