chore: 调整多名角色数值与技能逻辑

1. 下调Lynx冲刺倍率至2，同步更新其卡片属性
2. 重写牧羊犬技能为伤害吸血，替换原格挡逻辑
3. 上调氰化氢击杀储能数值，优化其描述文本
4. 新增全局伤害触发信号，完善实体伤害上报逻辑

scripts/Contents/Characters/Lynx.gd

@@ -2,4 +2,4 @@ extends PlayerBase
 
 func register():
 	super.register()
-	sprintMultiplier += 3
+	sprintMultiplier += 2

scripts/Contents/Characters/MuyangDog.gd

@@ -1,12 +1,11 @@
 extends PlayerBase
 
-var parryCounter: CooldownTimer = CooldownTimer.new(3000)
+var healCounter = CooldownTimer.new(1000)
 
-func ai():
-	super.ai()
-	if parryCounter.isCooldowned():
-		var track = getTrackingAnchor()
-		var bullet = BulletTool.findClosetBulletCanDamage(track, get_tree(), self , 300)
-		if is_instance_valid(bullet):
-			BulletBase.generate(ComponentManager.getBullet("Parrier"), self , track, track.angle_to_point(bullet.position))
-			parryCounter.start()
+func register():
+	super.register()
+	madeDamage.connect(
+		func(_w, _b):
+			if healCounter.start():
+				heal(1)
+	)