根据提供的code differences信息，由于没有具体的代码变更内容，我将生成一个通用的commit message模板：

```
docs(readme): 更新文档说明

- 添加项目使用指南
- 完善API接口说明
- 修正错误的配置示例
```

注意：由于未提供具体的代码差异信息，以上为示例格式。实际使用时请根据具体的代码变更内容填写相应的type、scope、subject和body信息。

logic/service/fight/fightc.go

@@ -193,24 +193,30 @@ func (f *FightC) collectAttackValues(inputs []*input.Input) []model.AttackValue
 	return values
 }
 
-func (f *FightC) collectAttackValueByAction(act *action.SelectSkillAction) []model.AttackValue {
-	if act == nil {
-		return nil
+func (f *FightC) buildAttackValueForBroadcast(fighter *input.Input, fallbackActorIndex int) model.AttackValue {
+	if fighter == nil {
+		return model.AttackValue{}
 	}
-	fighter := f.GetInputByAction(act, false)
-	if fighter == nil || fighter.AttackValue == nil || fighter.AttackValue.SkillID == 0 {
-		return nil
+	if fighter.AttackValue == nil {
+		empty := info.NewAttackValue(fighter.UserID)
+		fighter.AttackValue = empty
 	}
 	attackValue := *fighter.AttackValue
-	attackValue.ActorIndex = uint32(act.GetActorIndex())
-	return []model.AttackValue{attackValue}
+	attackValue.ActorIndex = uint32(fallbackActorIndex)
+	if attackValue.UserID == 0 && fighter.Player != nil && fighter.Player.GetInfo() != nil {
+		attackValue.UserID = fighter.Player.GetInfo().UserID
+	}
+	return attackValue
 }
 
-func (f *FightC) buildNoteUseSkillOutboundInfo(firstAttack, secondAttack *action.SelectSkillAction) info.NoteUseSkillOutboundInfo {
+func (f *FightC) buildNoteUseSkillOutboundInfo() info.NoteUseSkillOutboundInfo {
 	result := info.NoteUseSkillOutboundInfo{}
-	result.FirstAttackInfo = append(result.FirstAttackInfo, f.collectAttackValueByAction(firstAttack)...)
-	result.SecondAttackInfo = append(result.SecondAttackInfo, f.collectAttackValueByAction(secondAttack)...)
-
+	if f.First != nil {
+		result.FirstAttackInfo = f.buildAttackValueForBroadcast(f.First, f.First.TeamSlotIndex())
+	}
+	if f.Second != nil {
+		result.SecondAttackInfo = f.buildAttackValueForBroadcast(f.Second, f.Second.TeamSlotIndex())
+	}
 	return result
 }
 
@@ -453,7 +459,7 @@ func (f *FightC) enterturn(firstAttack, secondAttack *action.SelectSkillAction)
 		f.sendLegacyRoundBroadcast(firstAttack, secondAttack)
 	}
 
-	attackValueResult := f.buildNoteUseSkillOutboundInfo(firstAttack, secondAttack)
+	attackValueResult := f.buildNoteUseSkillOutboundInfo()
 	//因为切完才能广播,所以必须和回合结束分开结算
 	f.BroadcastPlayers(func(p common.PlayerI) {
 		for _, switchAction := range f.Switch {
@@ -481,7 +487,7 @@ func (f *FightC) enterturn(firstAttack, secondAttack *action.SelectSkillAction)
 		// })
 		return
 	}
-	if len(attackValueResult.FirstAttackInfo) > 0 || len(attackValueResult.SecondAttackInfo) > 0 {
+	if attackValueResult.FirstAttackInfo.UserID != 0 || attackValueResult.SecondAttackInfo.UserID != 0 {
 		f.BroadcastPlayers(func(p common.PlayerI) {
 			if !f.LegacyGroupProtocol {
 				f.sendFightPacket(p, fightPacketSkillResult, &attackValueResult)

logic/service/fight/info/info.go

@@ -196,10 +196,8 @@ type PropDict struct {
 
 // NoteUseSkillOutboundInfo 战斗技能使用通知的出站信息结构体
 type NoteUseSkillOutboundInfo struct {
-	FirstAttackInfoLen  uint32              `struc:"sizeof=FirstAttackInfo"`
-	FirstAttackInfo     []model.AttackValue // 本轮先手方精灵在释放技能结束后的状态
-	SecondAttackInfoLen uint32              `struc:"sizeof=SecondAttackInfo"`
-	SecondAttackInfo    []model.AttackValue // 本轮后手方精灵在释放技能结束后的状态
+	FirstAttackInfo  model.AttackValue // 本轮先手方精灵在释放技能结束后的状态
+	SecondAttackInfo model.AttackValue // 本轮后手方精灵在释放技能结束后的状态
 }
 
 type FightStartOutboundInfo struct {

logic/service/fight/unified_test.go

@@ -5,7 +5,6 @@ import (
 
 	"blazing/common/socket/errorcode"
 	"blazing/logic/service/common"
-	"blazing/logic/service/fight/action"
 	fightinfo "blazing/logic/service/fight/info"
 	"blazing/logic/service/fight/input"
 	spaceinfo "blazing/logic/service/space/info"
@@ -130,20 +129,18 @@ func TestBuildNoteUseSkillOutboundInfoUsesActionOrder(t *testing.T) {
 	opp.AttackValue.MaxHp = 100
 
 	fc := &FightC{
-		Our: []*input.Input{our},
-		Opp: []*input.Input{opp},
+		Our:    []*input.Input{our},
+		Opp:    []*input.Input{opp},
+		First:  opp,
+		Second: our,
 	}
 
-	firstAttack := &action.SelectSkillAction{BaseAction: action.BaseAction{PlayerID: 2002, ActorIndex: 0}}
-	result := fc.buildNoteUseSkillOutboundInfo(firstAttack, nil)
+	result := fc.buildNoteUseSkillOutboundInfo()
 
-	if len(result.FirstAttackInfo) != 1 {
-		t.Fatalf("expected only first attack info, got first=%d second=%d", len(result.FirstAttackInfo), len(result.SecondAttackInfo))
+	if result.FirstAttackInfo.UserID != 2002 || result.FirstAttackInfo.SkillID != 222 {
+		t.Fatalf("expected first attack info to belong to acting opponent, got %+v", result.FirstAttackInfo)
 	}
-	if len(result.SecondAttackInfo) != 0 {
-		t.Fatalf("expected no second attack info, got %d", len(result.SecondAttackInfo))
-	}
-	if result.FirstAttackInfo[0].UserID != 2002 || result.FirstAttackInfo[0].SkillID != 222 {
-		t.Fatalf("expected first attack info to belong to acting opponent, got %+v", result.FirstAttackInfo[0])
+	if result.SecondAttackInfo.UserID != 1001 || result.SecondAttackInfo.SkillID != 111 {
+		t.Fatalf("expected second attack info to keep the idle side placeholder, got %+v", result.SecondAttackInfo)
 	}
 }