keep is an object (max-age-days, max-mib, last-per-subject; 90 days and 16 MiB by default, 0 no age limit); the string form and the message-level bounds go; an event with a keep has no dot in its name. D-2 (step pipeline, 30 min default; on kind:image) was built in the reader release. Builds: design 47 G §260, §331, §396, §397, §203, §266, §324 Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ