Reporter: per-day target-hit counts for each account type

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

lib/master-protocol.ts

@@ -31,6 +31,11 @@ export interface AccountTypeStats {
      *  calendar only projects accounts still on the winning path. Optional so
      *  an older master simply ignores it. */
     daysHist?: Record<number, number>;
+    /** Live accounts by the trading day they are on today (1 = first day of
+     *  the current cycle, counting traded days before today's trade date),
+     *  with how many of them hit today's target. Lets the master show
+     *  "Day 1 3/5 · Day 2 1/4". Optional: older instances omit it. */
+    dayStats?: Record<number, { total: number; targetHit: number }>;
     /** One entry per live account (negative ones included, dead ones not):
      *  its actual progress toward the current target, so the master can
      *  simulate the real required profit instead of assuming the winning