new file structure

inc/item.mystery_tape.go

@@ -0,0 +1,18 @@
+package inc
+
+import (
+	inkwell "git.teletypegames.org/engines/inkwell"
+)
+
+// mysteryTape is the engine of the investigation. Password-locked; it only
+// starts speaking after the club trigger (beat 6).
+func itemMysteryTape() inkwell.Item {
+	return inkwell.Item{
+		Name:        ItemMysteryTape,
+		Description: "unmarked Personal Tape",
+		OnUseSelf: inkwell.Seq(
+			inkwell.Say(Paul, "Password-locked. Of course."),
+			TapeSay(Dex, "Put it in the second slot if you care that much. I did warn you."),
+		),
+	}
+}