Cap campaign save string lists

scripts/verify-campaign-save-normalization.mjs

@@ -207,7 +207,7 @@ try {
         { id: 'oath-bond', title: 'Oath Bond', unitIds: ['liu-bei', 'guan-yu'], level: '2', exp: '14', battleExp: '5' },
         9
       ],
-      completedCampDialogues: ['dialogue-a', 17, 'dialogue-a', ''],
+      completedCampDialogues: ['dialogue-a', 17, 'dialogue-a', '', 'x'.repeat(97)],
       completedCampVisits: 'visit-a',
       inventory: { bean: '3', ' bean ': '4', ['\uCF69']: '200', [' \uCF69 ']: '20', wine: -2, empty: 0 },
       selectedSortieUnitIds: { corrupted: true },
@@ -256,6 +256,27 @@ try {
     `Expected malformed inventory and sortie assignments to normalize: ${JSON.stringify(malformed)}`
   );
 
+  storage.clear();
+  storage.set(
+    campaignStorageKey,
+    JSON.stringify({
+      version: 1,
+      updatedAt: '2026-07-03T12:30:00.000Z',
+      step: 'third-camp',
+      activeSaveSlot: 1,
+      completedCampDialogues: Array.from({ length: 140 }, (_, index) => `dialogue-${index}`),
+      completedCampVisits: ['visit-a', 'x'.repeat(97), 'visit-a']
+    })
+  );
+  const cappedStringLists = loadCampaignState();
+  assert(
+    cappedStringLists.completedCampDialogues.length === 128 &&
+      cappedStringLists.completedCampDialogues[0] === 'dialogue-0' &&
+      cappedStringLists.completedCampDialogues[127] === 'dialogue-127' &&
+      cappedStringLists.completedCampVisits.length === 1,
+    `Expected campaign string lists to filter long entries and cap excessive saves: ${JSON.stringify(cappedStringLists)}`
+  );
+
   storage.clear();
   storage.set(
     campaignStorageKey,
@@ -459,9 +480,9 @@ try {
           { id: 'broken-bond', title: 'Broken Bond', unitIds: ['liu-bei'] }
         ],
         mvp: { unitId: 'liu-bei', name: 'Liu Bei', damageDealt: '88', defeats: '2' },
-        itemRewards: ['Bean', 'Bean', 10],
+        itemRewards: ['Bean', 'Bean', 10, 'x'.repeat(97)],
         campaignRewards: {
-          supplies: [' Bean ', 'Bean', 20],
+          supplies: [' Bean ', 'Bean', 20, 'x'.repeat(97)],
           equipment: [' Iron Sword ', 'Iron Sword'],
           reputation: ['Village Thanks', ' Village Thanks '],
           recruits: [{ unitId: ' guan-yu ', name: ' Guan Yu ' }, { unitId: '', name: 'Broken' }],
@@ -555,7 +576,8 @@ try {
             equipment: ['Iron Sword'],
             reputation: 'Fame',
             recruits: [{ unitId: 'test-recruit', name: 'Test Recruit' }, { broken: true }],
-            unlocks: { corrupted: true }
+            unlocks: { corrupted: true },
+            note: 'x'.repeat(181)
           },
           objectives: [
             {
@@ -633,7 +655,8 @@ try {
   assert(
     malformedHistory.battleHistory['first-battle-zhuo-commandery']?.itemRewards.length === 1 &&
       malformedHistory.battleHistory['first-battle-zhuo-commandery']?.campaignRewards?.equipment[0] === 'Iron Sword' &&
-      malformedHistory.battleHistory['first-battle-zhuo-commandery']?.campaignRewards?.recruits.length === 1,
+      malformedHistory.battleHistory['first-battle-zhuo-commandery']?.campaignRewards?.recruits.length === 1 &&
+      malformedHistory.battleHistory['first-battle-zhuo-commandery']?.campaignRewards?.note === undefined,
     `Expected nested battle history rewards to normalize: ${JSON.stringify(malformedHistory)}`
   );
   assert(

src/game/state/campaignState.ts

@@ -266,6 +266,10 @@ const campaignInventoryCaps: Record<string, number> = {
   ['\uD0C1\uC8FC']: 80
 };
 
+const maxCampaignStringListEntries = 128;
+const maxCampaignStringListLength = 96;
+const maxCampaignRewardNoteLength = 180;
+
 export const campaignReserveTrainingFocusDefinitions: CampaignReserveTrainingFocusDefinition[] = [
   {
     id: 'balanced',
@@ -881,9 +885,9 @@ function uniqueStrings(value: unknown): string[] {
       arrayOrEmpty<unknown>(value)
         .filter((entry): entry is string => typeof entry === 'string')
         .map((entry) => entry.trim())
-        .filter((entry) => entry.length > 0)
+        .filter((entry) => entry.length > 0 && entry.length <= maxCampaignStringListLength)
     )
-  ];
+  ].slice(0, maxCampaignStringListEntries);
 }
 
 function normalizedRosterUnitIds(roster: UnitData[]) {
@@ -1532,6 +1536,7 @@ function cloneCampaignRewardSnapshot(rewards?: CampaignRewardSnapshot): Campaign
   }
 
   const rewardRecord = recordOrEmpty(rewards);
+  const note = typeof rewardRecord.note === 'string' ? rewardRecord.note.trim() : '';
   return {
     supplies: uniqueStrings(rewardRecord.supplies),
     equipment: uniqueStrings(rewardRecord.equipment),
@@ -1550,7 +1555,7 @@ function cloneCampaignRewardSnapshot(rewards?: CampaignRewardSnapshot): Campaign
         title: typeof unlock.title === 'string' ? unlock.title.trim() : ''
       }))
       .filter((unlock) => unlock.battleId && unlock.title),
-    note: typeof rewardRecord.note === 'string' && rewardRecord.note.trim().length > 0 ? rewardRecord.note.trim() : undefined
+    note: note.length > 0 && note.length <= maxCampaignRewardNoteLength ? note : undefined
   };
 }