For me, the ideal terminal is a modern GUI document, backed by a file, with cut-copy-paste, mouse editing, and an insertion point. Using the "terminal" shouldn'

For me, the ideal terminal is a modern GUI document, backed by a file, with cut-copy-paste, mouse editing, and an insertion point. Using the "terminal" shouldn't be a weird different mode of interaction. BBEdit's Worksheet is the closest I've seen to this (and before that, MPW, but now I'm just showing my age). But BBEdit doesn't handle curses, which can be very limiting.