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）

src/core.ts

@@ -152,7 +152,14 @@ export class MetonaSqlark {
     let t = this.tableCache.get(name);
     if (!t) {
       // v0.3.2: 表操作写入后广播变更（多标签页同步）
-      t = new Table(this.engine, name, this.executor, (tableName) => this.broadcastChange(tableName));
+      // v0.5.1: CRUD 生命周期钩子真实接线（beforeInsert/afterInsert/...）
+      t = new Table(
+        this.engine,
+        name,
+        this.executor,
+        (tableName) => this.broadcastChange(tableName),
+        (hook, args) => this.pluginManager.trigger(hook, ...args),
+      );
       this.tableCache.set(name, t);
     }
     return t;
@@ -192,7 +199,10 @@ export class MetonaSqlark {
       // v0.3.0: 支持分号分隔的多语句，逐条顺序执行，返回最后一条的结果
       const statements: Statement[] = parseAll(sql);
       for (const stmt of statements) {
+        // v0.5.1: SQL 写语句触发 CRUD 生命周期钩子（与 Table API 路径一致）
+        await this.triggerStatementHooks(stmt, 'before');
         result = await this.executor.execute(stmt);
+        await this.triggerStatementHooks(stmt, 'after', result);
         // v0.3.2: 写语句广播表变更（多标签页同步）
         const table = this.writeStatementTable(stmt);
         if (table) this.broadcastChange(table);
@@ -344,6 +354,18 @@ export class MetonaSqlark {
     return result;
   }
 
+  /**
+   * v0.5.1: 在线备份 — 导出全库一致性快照。
+   * Aria 引擎走引擎级 backup()（MVCC 一致性视图）；其余引擎回退 exportAll()。
+   */
+  async backup(): Promise<Record<string, Record<string, unknown>[]>> {
+    this.ensureReady();
+    if (typeof this.engine.backup === 'function') {
+      return this.engine.backup();
+    }
+    return this.exportAll();
+  }
+
   // ---- 发布订阅 ----
 
   private listeners: Map<string, Set<(data: unknown) => void>> = new Map();
@@ -393,6 +415,43 @@ export class MetonaSqlark {
     }
   }
 
+  /**
+   * v0.5.1: SQL 写语句触发 CRUD 生命周期钩子。
+   * INSERT/UPDATE/DELETE 分别触发 beforeInsert/afterInsert、beforeUpdate/afterUpdate、
+   * beforeDelete/afterDelete（参数与 Table API 路径一致）。
+   */
+  private async triggerStatementHooks(stmt: Statement, phase: 'before' | 'after', result?: unknown): Promise<void> {
+    switch (stmt.type) {
+      case 'INSERT': {
+        const rows: Record<string, unknown>[] = (stmt.values ?? []).map((vals: unknown[]) => {
+          const row: Record<string, unknown> = {};
+          const cols = stmt.columns ?? [];
+          for (let i = 0; i < vals.length; i++) {
+            row[cols[i] ?? String(i)] = vals[i];
+          }
+          return row;
+        });
+        if (phase === 'before') await this.pluginManager.trigger('beforeInsert', rows);
+        else await this.pluginManager.trigger('afterInsert', rows, result as string[]);
+        break;
+      }
+      case 'UPDATE': {
+        const query = { table: stmt.table, where: stmt.where };
+        if (phase === 'before') await this.pluginManager.trigger('beforeUpdate', query, stmt.sets);
+        else await this.pluginManager.trigger('afterUpdate', query, stmt.sets, result as number);
+        break;
+      }
+      case 'DELETE': {
+        const query = { table: stmt.from, where: stmt.where };
+        if (phase === 'before') await this.pluginManager.trigger('beforeDelete', query);
+        else await this.pluginManager.trigger('afterDelete', query, result as number);
+        break;
+      }
+      default:
+        break;
+    }
+  }
+
   // ---- 迁移 ----
 
   private migrations: Map<number, (db: MetonaSqlark) => Promise<void>> = new Map();
@@ -497,7 +556,11 @@ export class MetonaSqlark {
       case 'disk':
         return diskEngine === 'opfs' ? new OPFSEngine() : new IndexedDBEngine();
       case 'aria':
-        return new AriaEngine({ storageBackend: diskEngine === 'opfs' ? 'opfs' : 'indexeddb' });
+        // v0.4.5: 透传 AriaEngine 专属配置（walSyncMode/checkpointInterval/encryption/pageStorage 等）
+        return new AriaEngine({
+          storageBackend: diskEngine === 'opfs' ? 'opfs' : 'indexeddb',
+          ...(this.config.aria ?? {}),
+        });
       case 'hybrid':
         return new HybridEngine(diskEngine);
       default: