调整了整个框架，模块化解耦

js/core/module-registry.js

@@ -0,0 +1,36 @@
+(function (global) {
+  'use strict';
+
+  class ModuleRegistry {
+    constructor() {
+      this.modules = new Map();
+      this.order = [];
+    }
+
+    register(manifest) {
+      if (!manifest || !manifest.id) {
+        throw new Error('注册模块失败：缺少 id');
+      }
+      if (this.modules.has(manifest.id)) {
+        console.warn(`模块 ${manifest.id} 已存在，将被覆盖`);
+      } else {
+        this.order.push(manifest.id);
+      }
+      this.modules.set(manifest.id, manifest);
+    }
+
+    get(moduleId) {
+      return this.modules.get(moduleId) || null;
+    }
+
+    list() {
+      return this.order.map((id) => this.modules.get(id));
+    }
+
+    has(moduleId) {
+      return this.modules.has(moduleId);
+    }
+  }
+
+  global.ModuleRegistry = new ModuleRegistry();
+})(window);