Merge branch 'vest-fix-timing' into vest-fixes

# Conflicts:
#	lib/reporter.ts
#	lib/vest-class.ts
#	scripts/check-vest.mjs

lib/platform-client.ts

@@ -48,6 +48,11 @@ export interface PlatformContract {
     /** Margin posted per dollar of notional (0.2 = 5:1 leverage), where the
      *  broker says — caps a position at available funds ÷ this. */
     marginRate?: number;
+    /** When the instrument's market next closes for long (epoch ms; Vest: a
+     *  weekend or holiday, not the maintenance hour), where the platform
+     *  says: no leg starts that wouldn't be done by then (clearsClose), each
+     *  account's at its own size (fireLeg). */
+    closesAt?: number;
 }
 
 export interface PlatformClient {
@@ -145,6 +150,11 @@ export interface PlatformClient {
      * before the platform's daily reset (resetClearStop).
      */
     dayGainForRoom?(accountId: number, o: { leg: number; limit: number }): number;
+    /** The trade date at `now` (epoch ms) that this platform's daily rows and
+     *  realized P&L follow, where its day turns at another hour than the
+     *  5 PM CT roll (Vest: 20:00 ET). The engine plans the accounts and
+     *  counts their legs by it (tradeDateFor); absent = currentTradeDateCT. */
+    tradeDate?(now: number): string;
     /** Payouts made since the firm's last daily reset — what picks the stage
      *  of an account type whose stages reset each day. */
     sameDayClaims?(accountId: number): number;