init: cs player_status CDK demo

logic/state_manager.py

@@ -0,0 +1,21 @@
+class StateManager:
+
+    def __init__(self):
+        self.previous = None
+
+
+    def update(self, current):
+
+        if current is None or current.get("health") is None:
+            return None, None
+
+        # 第一次收到有效数据，只记录，不触发事件
+        if self.previous is None:
+            self.previous = current
+            return None, None
+        
+        old = self.previous
+
+        self.previous = current
+
+        return old, current