feat: v0.2.4 异步Compaction + 槽位压缩 + EXPLAIN + 慢查询日志

src/core.ts

@@ -142,6 +142,7 @@ export class MetonaSqlark {
   /** 执行 SQL 字符串查询 */
   async query(sql: string): Promise<unknown> {
     this.ensureReady();
+    const startTime = this.debug ? Date.now() : 0;
 
     await this.pluginManager.trigger('beforeQuery', sql);
 
@@ -150,6 +151,12 @@ export class MetonaSqlark {
 
     await this.pluginManager.trigger('afterQuery', sql, result);
 
+    if (this.debug) {
+      const elapsed = Date.now() - startTime;
+      const rows = Array.isArray(result) ? (result as any[]).length : 0;
+      this._debug(`query [${elapsed}ms] ${rows} rows: ${sql.slice(0, 100)}`);
+    }
+
     return result;
   }