What prop traders actually need from a journal
Live rule enforcement. Daily loss limit, max trade count, max drawdown, news-window blackout. A journal that only shows the breach after the fact is just a coroner's report.
Per-setup expectancy. Most prop traders trade two or three setups. A playbook view tells you which one is funding you and which one is killing you.
Behavioral tagging. Revenge entry, FOMO, oversized — these tags are how you spot pattern decay before it costs you the account.
No subscription. Prop traders pay challenge fees, profit splits, data fees. The journal should be one-time, not another monthly drain.