A part adopts a watched branch registered while it runs and drops one
removed: both go/views readers begin a view followed or adopted after Start
at once (its event's one subscription taken first, or reused), read their
followers at each event, and Drop ends a view, its row of
<module>_first_views (the process's status in first-views) and every finding
it raised, cleared through the reader's findings and said in the log.
Builds: design 47 G §532, §614
Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ