fix(Characters): 修复Bear冲刺时未检查boss有效性的问题

修复Bear.gd中sprint函数未检查currentFocusedBoss是否有效的问题，避免潜在崩溃
调整TickTool.gd中until方法的frame调用方式
修改Wave.gd测试环境下的初始波次配置

scripts/Contents/Characters/Bear.gd

@@ -122,8 +122,8 @@ func attack(type):
 		return false
 	return true
 func sprint():
-	var dir = sign((currentFocusedBoss.position - position).x)
-	velocity = Vector2(dir, 0)
+	if is_instance_valid(currentFocusedBoss):
+		velocity = Vector2(sign((currentFocusedBoss.position - position).x), 0)
 func sprintAi():
 	velocity.x *= 1.2
 	return abs(velocity.x) >= 1000000

scripts/Contents/Wave.gd

@@ -22,7 +22,7 @@ func duplicate() -> Wave:
 	wave.per = per
 	return wave
 
-static var current: int = startWith(1) if WorldManager.isRelease() else startWith(5)
+static var current: int = startWith(1) if WorldManager.isRelease() else startWith(1)
 static var WAVE_NORMAL = [
 	Wave.create("Hen", 1, 3, false, 0, INF, 1),
 	Wave.create("Cat", 1, 3, false, 0, INF, 1),
@@ -47,7 +47,7 @@ static var WAVE_TESTBOSS_CHICK = [
 	Wave.create("Chick", 0, 0, true, 0, INF, 10),
 ]
 static var WAVE_EMPTY = []
-static var data = WAVE_NORMAL if WorldManager.isRelease() else WAVE_TESTBOSS_ALL
+static var data = WAVE_NORMAL if WorldManager.isRelease() else WAVE_TESTBOSS_BEAR
 
 static func create(
 		entity_: String,

scripts/Tools/TickTool.gd

@@ -7,7 +7,7 @@ static func frame(count: int = 1):
 		await WorldManager.tree.physics_frame
 static func until(predicate: Callable):
 	while not predicate.call():
-		await frame()
+		await frame.unbind(1).call(0)
 static func modifyAnimationKey(animator: AnimationPlayer, name: String, track: NodePath, trackType: Animation.TrackType, time: float, value: Variant):
 	var animation = animator.get_animation(name)
 	var trackIdx = animation.find_track(track, trackType)