feat(cli): add promote, cards, copy, demote, delete, edit commands

Complete CLI crystallization loop. Promote generates card_data
(template slots, checklist steps, link URLs). Cards view sorted by
use_count. Copy increments usage. Demote strips card layer. Delete
does soft then hard. Edit opens $EDITOR.

internal/display/glyph.go

@@ -29,8 +29,8 @@ func DisplayGlyph(glyph db.Glyph, cardType *db.CardType) string {
 }
 
 func FormatID(id string) string {
-	if len(id) > 6 {
-		return id[:6]
+	if len(id) > 12 {
+		return id[:12]
 	}
 	return id
 }