feat(collection): P-013收集系统三层架构解耦实现

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

Source/ChildHood/ChildHoodCharacter.cpp

@@ -17,6 +17,7 @@
 #include "InputActionValue.h"
 #include "ChildHood.h"
 #include "Interaction/InteractionPromptComponent.h"
+#include "Collection/CollectionHUDComponent.h"
 #include "SystemDriver.h"
 #include "Interaction/InteractionManager.h"
 #include "Interaction/EffectManager.h"
@@ -67,6 +68,9 @@ AChildHoodCharacter::AChildHoodCharacter()
 
 	// 创建交互提示组件（替代旧 InteractionManager）
 	PromptComponent = CreateDefaultSubobject<UInteractionPromptComponent>(TEXT("PromptComponent"));
+
+	// 创建收集系统 HUD 组件（表现层，挂在角色上；Tick 兜底查找 Driver）
+	CollectionHUDComponent = CreateDefaultSubobject<UCollectionHUDComponent>(TEXT("CollectionHUDComponent"));
 }
 
 void AChildHoodCharacter::BeginPlay()
@@ -81,6 +85,15 @@ void AChildHoodCharacter::BeginPlay()
 			PromptComponent->Initialize(Driver);
 		}
 	}
+
+	// 初始化收集系统 HUD 组件（Driver 弱引用；Tick 会兜底查找，规避 BeginPlay 时序竞争）
+	if (CollectionHUDComponent)
+	{
+		if (ASystemDriver* Driver = ASystemDriver::Get(this))
+		{
+			CollectionHUDComponent->Initialize(Driver);
+		}
+	}
 }
 
 void AChildHoodCharacter::SetupPlayerInputComponent(UInputComponent* PlayerInputComponent)
@@ -235,6 +248,11 @@ UInteractionPromptComponent* AChildHoodCharacter::GetPromptComponent() const
 	return PromptComponent;
 }
 
+UCollectionHUDComponent* AChildHoodCharacter::GetCollectionHUDComponent() const
+{
+	return CollectionHUDComponent;
+}
+
 void AChildHoodCharacter::SetInteracting(bool bValue)
 {
 	bIsInteracting = bValue;