Method save

app/src/core/Project.tsx:382–390

(options: { includeThumbnail?: boolean } = {})

    // TODO: stash
  }
  async save(options: { includeThumbnail?: boolean } = {}) {
    try {
      this.isSaving = true;
      await this.fs.write(this.uri, await this.getFileContent(options));
      this.projectState = ProjectState.Saved;
    } finally {
      this.isSaving = false;
    }
  }

  // 反向引用数据
  public references: { sections: Record<string, string[]>; files: string[] } = { sections: {}, files: [] };