Shortly after Taproot activation (709632), script-path spends appear with trivial leaves such as bare OP_1. For example, transaction https://mempool.space/zh/tx/445f592c71e364670ecf8d168eb651319d1fc17527df7addd35aa09555733cd6Questions: (1) What were the earliest such non-signature-gated spends, and (2) who deployed them (tests / experiments) and to what end?