Update .gitignore and add files

platform/src/utlis/event-bus.js

@@ -0,0 +1,37 @@
+// utils/event-bus.js - 改进事件总线以管理全局状态
+class GlobalState {
+    constructor() {
+        this.threshold = 35; // 默认阈值
+        this.listeners = new Map();
+    }
+
+    // 注册事件监听
+    on(event, callback) {
+        if (!this.listeners.has(event)) {
+            this.listeners.set(event, []);
+        }
+        this.listeners.get(event).push(callback);
+    }
+
+    // 触发事件
+    emit(event, data) {
+        if (this.listeners.has(event)) {
+            this.listeners.get(event).forEach(callback => callback(data));
+        }
+    }
+
+    // 设置全局阈值
+    setThreshold(threshold) {
+        this.threshold = threshold;
+        this.emit('thresholdUpdated', threshold);
+    }
+
+    // 获取全局阈值
+    getThreshold() {
+        return this.threshold;
+    }
+}
+
+// 创建全局状态实例
+const globalState = new GlobalState();
+export default globalState;