feat: add sortie operation orders

src/game/state/battleSaveState.ts

@@ -2,6 +2,7 @@ import type { BattleBond, UnitData } from '../data/scenario';
 import { isCampaignStep, type CampaignStep } from './campaignState';
 import type { UnitDirection } from '../data/unitAssets';
 import { equipmentExpToNext, equipmentSlots, type EquipmentSlot } from '../data/battleItems';
+import type { SortieOrderId } from '../data/sortieOrders';
 
 export type BattleSaveFaction = 'ally' | 'enemy';
 export type BattleSaveRosterTab = 'ally' | 'enemy';
@@ -70,6 +71,7 @@ export type BattleSaveState = {
   version: 1;
   battleId: string;
   campaignStep?: CampaignStep;
+  sortieOrderId?: SortieOrderId;
   savedAt: string;
   turnNumber: number;
   activeFaction: BattleSaveFaction;
@@ -172,6 +174,10 @@ export function isValidBattleSaveState(state: unknown, options: BattleSaveValida
     return false;
   }
 
+  if (state.sortieOrderId !== undefined && !isSortieOrderId(state.sortieOrderId)) {
+    return false;
+  }
+
   const attackIntents = state.attackIntents;
   const units = state.units;
 
@@ -254,6 +260,10 @@ function isTacticalCommandRole(value: unknown): value is BattleSaveTacticalComma
   return value === 'front' || value === 'flank' || value === 'support';
 }
 
+function isSortieOrderId(value: unknown): value is SortieOrderId {
+  return value === 'elite' || value === 'mobile' || value === 'siege';
+}
+
 function isUnitIdArray(value: unknown, options: BattleSaveValidationOptions) {
   return (
     Array.isArray(value) &&