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src/apps/AppRegistry.ts

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+import type { AppRegistration } from './types/AppManifest'
+import { reactive, markRaw } from 'vue'
+
+/**
+ * 应用注册中心
+ * 管理所有内置应用的注册和获取
+ */
+export class AppRegistry {
+  private static instance: AppRegistry | null = null
+  private apps = reactive(new Map<string, AppRegistration>())
+
+  private constructor() {}
+
+  static getInstance(): AppRegistry {
+    if (!AppRegistry.instance) {
+      AppRegistry.instance = new AppRegistry()
+    }
+    return AppRegistry.instance
+  }
+
+  /**
+   * 注册内置应用
+   */
+  registerApp(registration: AppRegistration): void {
+    // 使用 markRaw 标记组件，避免被设为响应式
+    const safeRegistration = {
+      ...registration,
+      component: registration.component ? markRaw(registration.component) : registration.component
+    }
+    this.apps.set(registration.manifest.id, safeRegistration)
+    console.log(`已注册内置应用: ${registration.manifest.name}`)
+  }
+
+  /**
+   * 获取应用
+   */
+  getApp(appId: string): AppRegistration | undefined {
+    return this.apps.get(appId)
+  }
+
+  /**
+   * 获取所有应用
+   */
+  getAllApps(): AppRegistration[] {
+    return Array.from(this.apps.values())
+  }
+
+  /**
+   * 获取所有内置应用
+   */
+  getBuiltInApps(): AppRegistration[] {
+    return Array.from(this.apps.values()).filter(app => app.isBuiltIn)
+  }
+
+  /**
+   * 检查应用是否存在
+   */
+  hasApp(appId: string): boolean {
+    return this.apps.has(appId)
+  }
+
+  /**
+   * 按类别获取应用
+   */
+  getAppsByCategory(category: string): AppRegistration[] {
+    return Array.from(this.apps.values()).filter(
+      app => app.manifest.category === category
+    )
+  }
+
+  /**
+   * 搜索应用
+   */
+  searchApps(query: string): AppRegistration[] {
+    const lowercaseQuery = query.toLowerCase()
+    return Array.from(this.apps.values()).filter(app => {
+      const manifest = app.manifest
+      return (
+        manifest.name.toLowerCase().includes(lowercaseQuery) ||
+        manifest.description.toLowerCase().includes(lowercaseQuery) ||
+        manifest.keywords?.some(keyword => 
+          keyword.toLowerCase().includes(lowercaseQuery)
+        )
+      )
+    })
+  }
+
+  /**
+   * 清空所有应用
+   */
+  clear(): void {
+    this.apps.clear()
+  }
+}
+
+// 导出单例实例
+export const appRegistry = AppRegistry.getInstance()