Method writeAuthJson

src/runtime/config.ts:394–406

(authJson: string)

        return JSON.stringify(config._auth);
      }
      return undefined;
    } catch {
      return undefined;
    }
  }

  private writeAuthJson(authJson: string): void {
    this.ensureFile();
    try {
      const raw = fs.readFileSync(this.configPath, "utf-8");
      const config = JSON.parse(raw);
      config._auth = JSON.parse(authJson);
      fs.writeFileSync(this.configPath, JSON.stringify(config, null, 2), "utf-8");
    } catch {
      // If config.json is unreadable, write a minimal file
      const config = { _auth: JSON.parse(authJson) };