feat(召唤物): 添加哈基米召唤物及相关功能

添加新的哈基米(HJM)召唤物，包括动画资源、攻击逻辑和武器配置。主要变更：
- 新增HJM召唤物脚本和场景，包含6帧动画
- 添加HJM专属子弹类型HJMAttack
- 修改SummonBase基类添加atk属性
- 调整武器系统支持召唤物攻击
- 优化子弹系统支持召唤者追踪
- 降低LGBT旗帜召唤物的生命值

scripts/Statemachine/BulletBase.gd

@@ -23,6 +23,7 @@ class_name BulletBase
 @onready var texture: AnimatedSprite2D = $"%texture"
 
 var launcher: EntityBase = null
+var launcherSummoned: EntityBase = null
 var spawnInWhen: float = 0
 var spawnInWhere: Vector2 = Vector2.ZERO
 var destroying: bool = false
@@ -32,6 +33,9 @@ var initialSpeed: float = 0
 
 func _ready():
 	initialSpeed = speed
+	if launcher.isSummon():
+		launcherSummoned = launcher
+		launcher = launcher.myMaster
 	register()
 	area_entered.connect(hit)
 	spawnInWhen = WorldManager.getTime()

scripts/Statemachine/EntityBase.gd

@@ -76,6 +76,7 @@ var inventoryMax = {
 @export var appleCount: Vector2i = Vector2(0, 2) # 死亡后掉落的苹果数量
 @export var level: int = 1
 @export var currentInvinsible: bool = false
+@export var useStatic: bool = false
 
 @onready var animatree: AnimationTree = $"%animatree"
 @onready var texture: AnimatedSprite2D = $"%texture"
@@ -104,6 +105,8 @@ var currentStage: int = 0
 var spawnTime: float = 0
 
 func _ready():
+	if useStatic:
+		texture = texture.get_node("staticAnimation")
 	spawnTime = WorldManager.getTime()
 	register()
 	var selfStatebar: EntityStateBar = $"%statebar"

scripts/Statemachine/SummonBase.gd

@@ -3,6 +3,7 @@ class_name SummonBase
 
 @export var attraction: float = 0.0
 
+var atk: float = 0
 var myMaster: EntityBase = null
 
 func _ready():