- PeekGlobals table, Args round trip, hook and PeekGlobals agree (clusters too)
- reserved flags, duplicate names, Call runs no OnGlobals hook
- exit codes 0/1/2, Reported silence, scrubbed errors, wrong-directory hint
- widget matrix: not a terminal byte for byte, -q, --no-ansi, -n, terminal
- live models through Update and View and one program run into a buffer
- prompts under -n, Secret from piped stdin, ConfirmProceed, PrintAbove
