feat: add green board efficiency analysis

src/lib/engine/board-effects.test.ts

@@ -87,3 +87,34 @@ test('조합 탐색용 기수 보너스와 악곡 보너스는 실제 노드 합
   assert.equal(zeroOverride.flatByCardId['card-a'].performance, 0);
   assert.equal(customOverride.flatByCardId['card-a'].performance, 450);
 });
+
+test('같은 기수의 보드 보너스는 카드별로 최대 900까지만 적용한다', () => {
+  const cappedSummary: BoardSummarySource = {
+    nodeGroups: {
+      'G-10': [{ characterIds: [], effect: { type: 'all_parameter_up_for_character_grouping', value: 600, targetId: 'skill_tree_effect_target-character_grouping-grp-gen_0' } }],
+      'G-11': [{ characterIds: [], effect: { type: 'all_parameter_up_for_character_grouping', value: 500, targetId: 'skill_tree_effect_target-character_grouping-grp-gen_0' } }]
+    }
+  };
+
+  const result = calculateBoardEffects(cappedSummary, { account: ['G-10', 'G-11'] }, cards, 'a');
+
+  assert.equal(result.flatByCardId['card-a'].performance, 900);
+  assert.equal(result.flatByCardId['card-a'].technique, 900);
+  assert.equal(result.flatByCardId['card-a'].sense, 900);
+  assert.equal(result.flatByCardId['card-b'].performance, 0);
+});
+
+test('복수 소속 카드는 각 기수의 900 상한을 따로 적용한다', () => {
+  const multiGroupingSummary: BoardSummarySource = {
+    nodeGroups: {
+      'G-20': [{ characterIds: [], effect: { type: 'all_parameter_up_for_character_grouping', value: 900, targetId: 'skill_tree_effect_target-character_grouping-grp-gen_1' } }],
+      'G-21': [{ characterIds: [], effect: { type: 'all_parameter_up_for_character_grouping', value: 900, targetId: 'skill_tree_effect_target-character_grouping-grp-gamers' } }],
+      'G-22': [{ characterIds: [], effect: { type: 'all_parameter_up_for_character_grouping', value: 100, targetId: 'skill_tree_effect_target-character_grouping-grp-gen_1' } }]
+    }
+  };
+  const multiGroupingCards = [{ id: 'fubuki', characterId: 'fubuki', type: '퓨어', generation: 'hololive 1기생 / GAMERS' }];
+
+  const result = calculateBoardEffects(multiGroupingSummary, { account: ['G-20', 'G-21', 'G-22'] }, multiGroupingCards, 'fubuki');
+
+  assert.equal(result.flatByCardId.fubuki.performance, 1800);
+});