feat(Debug): 添加FeedIsTypeTopic调试组件并更新蛋糕资源

添加用于调试的FeedIsTypeTopic场景和脚本，支持按主题筛选Feed
更新蛋糕资源的主题和字段配置

scripts/Debug/FeedIsTopic.gd

@@ -0,0 +1,29 @@
+@tool
+extends HBoxContainer
+
+@export var targetTopics: Array[FeedName.Topic] = []
+@export var clickToRefresh: bool = false
+
+var lastState: bool = false
+
+func _ready():
+	rebuild()
+func _physics_process(_delta):
+	if clickToRefresh != lastState:
+		lastState = clickToRefresh
+		rebuild()
+
+func rebuild():
+	for i in get_children():
+		i.queue_free()
+	var files = DirTool.listdir("res://components/Feeds/")
+	for file in files:
+		var passed: bool = false
+		var feed = load(file).instantiate() as Feed
+		for targetTopic in targetTopics:
+			var haveThis = feed.topic == targetTopic
+			passed = haveThis
+			if passed:
+				break
+		if passed:
+			add_child(feed)