feat(武器系统): 添加武器来源显示功能并优化光标刀碰撞

- 在武器卡片中添加来源显示标签和数组字段
- 将光标刀的碰撞形状从矩形改为线段
- 为光标刀添加命中时的击退效果
- 优化场景文件格式和节点唯一ID

scripts/Structs/Weapon.gd

@@ -17,6 +17,7 @@ class_name Weapon
 	"atk": FieldStore.DataType.INTEGER
 }
 @export_multiline var descriptionTemplate: String = "造成$atk点伤害。"
+@export var sources: Array[String] = []
 @export var needEnergy: float = 0
 @export var cooldown: float = 100
 @export var debugRebuild: bool = false
@@ -24,6 +25,7 @@ class_name Weapon
 
 @onready var avatarRect: TextureRect = $"%avatar"
 @onready var nameLabel: WeaponName = $"%name"
+@onready var sourceLabel: Label = $"%source"
 @onready var energyLabel: Label = $"%energy"
 @onready var beachball: ItemShow = $"%beachball"
 @onready var soul: ItemShow = $"%soul"
@@ -121,6 +123,7 @@ func rebuildInfo(showNext: bool = false):
 	nameLabel.typeTopic = typeTopic
 	nameLabel.soulLevel = soulLevel
 	nameLabel.level = level
+	sourceLabel.text = " × ".join(sources)
 	energyLabel.text = "%.1f" % needEnergy
 	beachball.count = costBeachball
 	soul.count = soulLevel