feat: add combination search workflow

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

@@ -14,6 +14,7 @@ const summary: BoardSummarySource = {
       type: 'live_active_skill_effect_up_permil_up', value: 100, targetId: 'skill_tree_effect_target-all', trigger: 'set_live_leader'
     } }],
     'G-1': [{ characterIds: [], effect: { type: 'all_parameter_up', value: 5, targetId: 'skill_tree_effect_target-all', trigger: 'always' } }],
+    'G-2': [{ characterIds: [], effect: { type: 'all_parameter_up_for_character_grouping', value: 50, targetId: 'skill_tree_effect_target-character_grouping-grp-gen_0', trigger: 'always' } }],
     'Y-1': [{ characterIds: [], effect: {
       id: 'skill_tree_effect-live_score_bonus_add_permil_up_by_music_skill_tree_character_and_music_singer_type-5-skill_tree_effect_passive_trigger-music_skill_tree_character_and_music_singer_type-solo-always-solo',
       type: 'live_score_bonus_add_permil_up_by_music_skill_tree_character_and_music_singer_type', value: 5, trigger: 'always'
@@ -63,3 +64,26 @@ test('연결 카드가 범위 안의 활성 노드 효과를 증폭한다', () =
 
   assert.equal(result.flatByCardId['card-a'].performance, 300);
 });
+
+test('조합 탐색용 기수 보너스와 악곡 보너스는 실제 노드 합계를 대체한다', () => {
+  const result = calculateBoardEffects(summary, { account: ['G-2', 'Y-1'] }, cards, 'a', {
+    singerType: 'solo', singerCharacterIds: ['a']
+  }, null, {
+    generationBonusByCardId: { 'card-a': 900 },
+    directSongScoreBonusPercent: 10
+  });
+
+  assert.equal(result.flatByCardId['card-a'].performance, 900);
+  assert.equal(result.flatByCardId['card-a'].technique, 900);
+  assert.equal(result.directSongScoreBonusPercent, 10);
+
+  const zeroOverride = calculateBoardEffects(summary, { account: ['G-2'] }, cards, 'a', null, null, {
+    generationBonusByCardId: { 'card-a': 0 }
+  });
+  const customOverride = calculateBoardEffects(summary, { account: ['G-2'] }, cards, 'a', null, null, {
+    generationBonusByCardId: { 'card-a': 450 }
+  });
+
+  assert.equal(zeroOverride.flatByCardId['card-a'].performance, 0);
+  assert.equal(customOverride.flatByCardId['card-a'].performance, 450);
+});