Expand family publish policies into concrete rules

docs/internal/artifacts.md

@@ -64,6 +64,8 @@ Configuration may normalize a family selection into its concrete generated
 members before this resolver runs. The effective set retains optional family
 and character origin metadata, but its keys, catalog sources, and runtime
 lookups remain concrete configured-artifact identities.
+Family publish policies are likewise expanded into ordinary configured-source
+publish rules during configuration resolution.
 Configured outputs, including non-executable prerequisites, become available
 only when the versioned analyze state identifies a current result whose source,
 contract, canonical configured path, size, and checksum match a confined