refactor(武器系统): 用emitType枚举替换chargable和oneShoot布尔值

重构武器发射逻辑，使用枚举类型EmitType来管理不同的武器发射方式
更新相关武器配置文件和角色控制逻辑

scripts/Structs/Weapon.gd

@@ -2,14 +2,21 @@
 extends PanelContainer
 class_name Weapon
 
+enum EmitType {
+	HOLD_SHOOT,
+	CLICK_SHOOT,
+	CHARGE
+}
+
 @export var avatarTexture: Texture2D = null
 @export var displayName: String = "未命名武器"
 @export var quality: WeaponName.Quality = WeaponName.Quality.COMMON
 @export var typeTopic: WeaponName.TypeTopic = WeaponName.TypeTopic.IMPACT
 @export var soulLevel: int = 1
 @export var costBeachball: int = 500
-@export var chargable: bool = false
-@export var oneShoot: bool = false
+# @export var chargable: bool = false
+# @export var oneShoot: bool = false
+@export var emitType: EmitType = EmitType.HOLD_SHOOT
 @export var store: Dictionary = {
 	"atk": 10
 }