Harden sortie formation assignment recovery

scripts/verify-campaign-save-normalization.mjs

@@ -38,6 +38,7 @@ try {
     setFirstBattleReport
   } = await server.ssrLoadModule('/src/game/state/campaignState.ts');
   const { battleScenarios } = await server.ssrLoadModule('/src/game/data/battles.ts');
+  const { normalizeSortieFormationAssignments } = await server.ssrLoadModule('/src/game/data/sortieDeployment.ts');
 
   storage.clear();
   const empty = loadCampaignState();
@@ -73,6 +74,35 @@ try {
       cappedLaunchSupplies['unit-96'] === undefined,
     `Expected launch sortie supplies without a roster filter to stay capped: ${JSON.stringify(cappedLaunchSupplies)}`
   );
+  const normalizedLaunchFormation = normalizeSortieFormationAssignments(
+    {
+      'liu-bei': 'front',
+      ' liu-bei ': 'support',
+      'guan-yu': 'flank',
+      'ghost-unit': 'reserve',
+      'zhang-fei': 'broken',
+      ['x'.repeat(97)]: 'front',
+      '': 'front'
+    },
+    new Set(['liu-bei', 'guan-yu'])
+  );
+  assert(
+    normalizedLaunchFormation['liu-bei'] === 'front' &&
+      normalizedLaunchFormation['guan-yu'] === 'flank' &&
+      normalizedLaunchFormation['ghost-unit'] === undefined &&
+      normalizedLaunchFormation['zhang-fei'] === undefined &&
+      normalizedLaunchFormation['x'.repeat(97)] === undefined,
+    `Expected launch sortie formation assignments to trim, filter, and preserve first valid roles: ${JSON.stringify(normalizedLaunchFormation)}`
+  );
+  const cappedLaunchFormation = normalizeSortieFormationAssignments(
+    Object.fromEntries(Array.from({ length: 120 }, (_, index) => [`unit-${index}`, 'front']))
+  );
+  assert(
+    Object.keys(cappedLaunchFormation).length === 96 &&
+      cappedLaunchFormation['unit-95'] === 'front' &&
+      cappedLaunchFormation['unit-96'] === undefined,
+    `Expected launch sortie formation assignments without a roster filter to stay capped: ${JSON.stringify(cappedLaunchFormation)}`
+  );
 
   resetCampaignState();
   const firstScenario = battleScenarios['first-battle-zhuo-commandery'];