release: v0.5.1 — 存储后端生产级硬化（CRC-32/全库加密/WAL分片/页面化存储/多标签页锁/e2e）+ 深度审查修复（假实现接线/死代码清理）

tests/sql-ext2.test.ts

@@ -287,14 +287,13 @@ describe('[v0.3.1] WAL 批量组提交', () => {
     await db.defineTable('users', { id: { type: 'string', primaryKey: true }, name: { type: 'string' } });
 
     const engine = db.getEngine() as any;
-    // v0.4.2: WAL 记录与 count 改用 writeMany 单事务原子写入（记录仍合并为 1 次落盘）
-    const origWriteMany = engine.backend.writeMany.bind(engine.backend);
+    // v0.4.5: WAL 改用分片存储（SegmentedWALStore，无 append 接口的后端回退单 key write）；
+    // 组提交语义保持：批量记录仍合并为 1 次底层落盘
     const origWrite = engine.backend.write.bind(engine.backend);
     let walWrites = 0;
-    engine.backend.writeMany = async (entries: Record<string, ArrayBuffer>) => {
-      const keys = Object.keys(entries);
-      if (keys.some((k) => k.startsWith('__wal_') && !k.startsWith('__wal_count'))) walWrites++;
-      return origWriteMany(entries);
+    engine.backend.write = async (key: string, data: ArrayBuffer) => {
+      if (key.startsWith('__wal_')) walWrites++;
+      return origWrite(key, data);
     };
 
     await db.table('users').insertMany([
@@ -305,7 +304,6 @@ describe('[v0.3.1] WAL 批量组提交', () => {
     ]);
 
     expect(walWrites).toBe(1); // 4 行合并为 1 次 WAL 落盘
-    void origWrite;
     const rows = await db.query('SELECT * FROM users') as Record<string, unknown>[];
     expect(rows).toHaveLength(4);
     await db.close();