refactor: LocalStorageDriver extends MemoryDriver for cleaner architecture

Co-authored-by: hotlong <50353452+hotlong@users.noreply.github.com>

Author: Copilot

packages/drivers/fs/src/index.ts

@@ -89,10 +89,6 @@ export interface FileSystemDriverConfig extends MemoryDriverConfig {
  * - Content: Array of records `[{id: "1", ...}, {id: "2", ...}]`
  */
 export class FileSystemDriver extends MemoryDriver {
-    // Driver metadata (ObjectStack-compatible)
-    public readonly name = 'FileSystemDriver';
-    public readonly version = '4.0.0';
-    
     private dataDir: string;
     private prettyPrint: boolean;
     private enableBackup: boolean;
@@ -106,6 +102,10 @@ export class FileSystemDriver extends MemoryDriver {
             indexes: config.indexes
         });
 
+        // Override driver name and version
+        (this as any).name = 'FileSystemDriver';
+        (this as any).version = '4.0.0';
+        
         this.dataDir = path.resolve(config.dataDir);
         this.prettyPrint = config.prettyPrint !== false;
         this.enableBackup = config.enableBackup !== false;

packages/drivers/localstorage/package.json

@@ -21,6 +21,7 @@
   },
   "dependencies": {
     "@objectql/types": "workspace:*",
+    "@objectql/driver-memory": "workspace:*",
     "@objectstack/spec": "^0.7.1"
   },
   "devDependencies": {