Every key of owed, and the member merging in every key of merges, is said as owed under
meshdeliveryclient.SwitchedActID(state, key, revision), at every switch, the same act each time. The switch reads
the old states through one reader (OldState). Rows in the switch's test.
Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ
(Joined from dd0c4294.)
Builds: design 47 G §169 (GATE5, GATE6); only the owed carry: the member merging in the old state merges is not carried as a merge act (G §167, §542)
Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ