speed writing kanji vs kana optimization

My exact speed-writing protocol. Step one, check the SRS interval. If the kanji is under 21 days matured, write kana only to prevent memory trace decay. Step two, apply the 1.8 second rule where anything above 12 strokes gets instant kana conversion. Step three, flag the card in your app for a 4-hour micro-review loop. This is the only way to mathematically optimize writing speed.