Answer architecture round 8: a shipped package's folder spells its namespace (data/sv_SE, data/geo/SE) under its lowered Go name, as a second bench chose, a mounted root folder reads as its namespace, and item 196 cites goal 9.2

data/geo/US/fs.go

@@ -0,0 +1,9 @@
+// Package geous is fejkdata's US places module, whose categories are geo.US.*.
+package geous
+
+import "embed"
+
+// FS holds the module's categories and its manifest; pass it to fejkdata.WithDataFS.
+//
+//go:embed *.json *.tsv .fejkdata.json
+var FS embed.FS