Answer architecture round 1: Main draws the CLI's default seed and passes it to run, New names every option mistake at once, dataGiven says what it is, and the docs drop seeded where every sequence is

inline.go

@@ -11,7 +11,7 @@ import (
 // Template is an inline template compiled, referenced and validated against a
 // generator's loaded data once, ready to render many times with [Template.Fake].
 // It is safe for concurrent use: Fake serializes on its generator's lock, so a
-// seeded sequence is reproducible only when a generator — and its templates — are
+// sequence is reproducible only when a generator — and its templates — are
 // drawn from one goroutine.
 type Template struct {
 	g *Generator