修复

src/event/bridge.ts

@@ -0,0 +1,63 @@
+import { emit, on, once, off, Emitter } from './bus';
+import {
+    ModelClickPayload,
+    ModelLoadedPayload,
+    ModelLoadErrorPayload,
+    ModelLoadProgressPayload,
+    SceneReadyPayload
+} from './types';
+
+/**
+ * Centralized event helpers to avoid spreading raw event strings.
+ */
+export class EventBridge {
+    // Emits
+    static modelLoadProgress(payload: ModelLoadProgressPayload): Emitter {
+        return emit("model:load:progress", payload);
+    }
+
+    static modelLoadError(payload: ModelLoadErrorPayload): Emitter {
+        return emit("model:load:error", payload);
+    }
+
+    static modelLoaded(payload: ModelLoadedPayload): Emitter {
+        return emit("model:loaded", payload);
+    }
+
+    static modelClick(payload: ModelClickPayload): Emitter {
+        return emit("model:click", payload);
+    }
+
+    static sceneReady(payload: SceneReadyPayload): Emitter {
+        return emit("scene:ready", payload);
+    }
+
+    // Listeners
+    static onModelLoadProgress(callback: (payload: ModelLoadProgressPayload) => void, context?: unknown): Emitter {
+        return on("model:load:progress", callback, context);    
+    }
+
+    static onModelLoadError(callback: (payload: ModelLoadErrorPayload) => void, context?: unknown): Emitter {
+        return on("model:load:error", callback, context);
+    }
+
+    static onModelLoaded(callback: (payload: ModelLoadedPayload) => void, context?: unknown): Emitter {
+        return on("model:loaded", callback, context);
+    }
+
+    static onModelClick(callback: (payload: ModelClickPayload) => void, context?: unknown): Emitter {
+        return on("model:click", callback, context);
+    }
+
+    static onSceneReady(callback: (payload: SceneReadyPayload) => void, context?: unknown): Emitter {
+        return on("scene:ready", callback, context);
+    }
+
+    static onceSceneReady(callback: (payload: SceneReadyPayload) => void, context?: unknown): Emitter {
+        return once("scene:ready", callback, context);  
+    }
+
+    static off(eventName?: string, callback?: (...args: unknown[]) => void): Emitter {
+        return off(eventName, callback);
+    }
+}