fix: round base card stats up to match in-game power

src/lib/engine/unit-power.test.ts

@@ -1,7 +1,51 @@
 import test from 'node:test';
 import assert from 'node:assert/strict';
+import { readFileSync } from 'node:fs';
 import { calculateUnitPower, type UnitPowerCard } from './unit-power.ts';
 
+test('실제 카드 데이터로 2026-09-06 인게임 종합력의 모든 항목을 재현한다', () => {
+  const catalog = JSON.parse(readFileSync(new URL('../data/cards-summary.json', import.meta.url), 'utf8')) as {
+    cards: (UnitPowerCard & { details: { costume: { name: string; description: string } } })[];
+  };
+  const findCard = (id: string) => {
+    const found = catalog.cards.find((entry) => entry.id === id);
+    assert.ok(found, id);
+    return found;
+  };
+  // Screenshot formation: Fubuki, Matsuri, Botan, Kobo, Flare; Baelz costume.
+  // Only the effective board stats are retained from the supplied backup.
+  const ids = [
+    'card-00006-5-uniq-0007-00', 'card-00007-5-uniq-0008-00',
+    'card-00032-5-uniq-0026-00', 'card-03009-5-uniq-0041-00',
+    'card-00021-5-uniq-0017-00'
+  ];
+  const awakenings = [3, 3, 5, 3, 2];
+  const flats = [[4914, 5109, 5721], [4797, 5240, 5604], [4794, 4989, 5811], [4964, 5159, 5771], [4597, 5040, 5404]];
+  const result = calculateUnitPower(
+    ids.map((id, index) => ({ card: findCard(id), awakening: awakenings[index] })),
+    findCard('card-04012-5-uniq-0051-00').details.costume,
+    {
+      flatByCardId: Object.fromEntries(ids.map((id, index) => [id, {
+        performance: flats[index][0], technique: flats[index][1], sense: flats[index][2]
+      }])),
+      rateByCardId: Object.fromEntries(ids.map((id) => [id, { performance: 28, technique: 28, sense: 28 }]))
+    },
+    58,
+    4.13
+  );
+  assert.deepEqual(result, {
+    overallPower: 371616,
+    baseParameterTotal: 117966,
+    potentialTotal: 11805,
+    passiveTotal: 34087,
+    outfitTotal: 71524,
+    boardTotal: 114256,
+    memoryTotal: 7536,
+    memberPowerUpTotal: 14442,
+    outfitScoreSupportPercent: 0
+  });
+});
+
 function card(id: string, passive: string, awakenedPassive = passive): UnitPowerCard {
   return {
     id,