import fs from "node:fs";import path from "node:path";import { DatabaseSync } from "node:sqlite"; import { runStateMigrations } from "./stateMigrations"; export interface StateDbOptions {  dbPath: string;} export class StateDb {  readonly dbPath: string;  readonly db: DatabaseSync;   constructor(options: StateDbOptions) {    this.dbPath = path.resolve(options.dbPath);    fs.mkdirSync(path.dirname(this.dbPath), { recursive: true });    this.db = new DatabaseSync(this.dbPath);    runStateMigrations(this.db);  }   close(): void {    this.db.close();  }   transaction<T>(fn: () => T): T {    this.db.exec("BEGIN IMMEDIATE;");    try {      const result = fn();      this.db.exec("COMMIT;");      return result;    } catch (error) {      this.db.exec("ROLLBACK;");      throw error;    }  }}