fix(parity): preserve legacy monthly turn ordering

app/game-engine/src/turn/monthlyRaiseNpcNationAction.ts

@@ -1,4 +1,4 @@
-import { LiteHashDRBG, RandUtil, asRecord } from '@sammo-ts/common';
+import { GAME_TICKS_PER_TURN, LiteHashDRBG, RandUtil, asRecord } from '@sammo-ts/common';
 import {
     LogCategory,
     LogFormat,
@@ -145,9 +145,12 @@ const createNpcGeneral = (options: {
     }
     const turnSecond = rng.nextRangeInt(0, turnMinutes * 60 - 1);
     const turnFraction = rng.nextRangeInt(0, 999_999);
-    const turnTime = new Date(
-        environment.turnTime.getTime() + turnSecond * 1_000 + Math.floor(turnFraction / 1_000)
-    );
+    const ticksPerSecond = GAME_TICKS_PER_TURN / world.getState().tickSeconds;
+    const turnTick =
+        world.dateToGameTick(environment.turnTime) +
+        turnSecond * ticksPerSecond +
+        Math.floor((turnFraction * ticksPerSecond) / 1_000_000);
+    const turnTime = world.gameTickToDate(turnTick);
     const killturn =
         options.killturn ??
         (options.deadYear - environment.year) * 12 +
@@ -188,6 +191,7 @@ const createNpcGeneral = (options: {
         triggerState: { flags: {}, counters: {}, modifiers: {}, meta: {} },
         lastTurn: { command: '휴식' },
         turnTime,
+        turnTick,
         recentWarTime: null,
         meta: {
             killturn,