meshcatalogclient imports the new package and keeps two one-line wrappers for the callers of the other parts until
they move to it.
Builds: design 47 G §670, §614 (wiring unchanged)
Claude-Session: https://claude.ai/code/session_01JG73KEq4zoDfM9WtYpcQgZ
A member's go.mod names the oldest version a module accepts; the check builds the group's own heads whatever it names. go.sum lines of mesh packages are left out.
Claude-Session: https://claude.ai/code/session_01NcbgfFSnn24M3GcqttoU7i