A Taproot-native (re-)bindable transaction bundle proposal

In a recent discussion, Rijndael inquired about the specifics of the CTV commitment, particularly noting its inclusion of the number of inputs. This query was directed towards understanding why, in contrast, the TEMPLATEHASH commitment lacks this feature. The exchange highlights a technical aspect of Bitcoin's development, focusing on the differences between these two types of commitments and their respective functionalities within the system. The conversation reflects the ongoing dialogue among developers as they scrutinize and evaluate the intricacies of Bitcoin's evolving architecture.