Method deleteEngine

src/main/api/renderer/webSearch.ts:171–187

* 删除搜索引擎

(engineId: string)

   * 删除搜索引擎
   */
  public async deleteEngine(engineId: string): Promise<{ success: boolean; error?: string }> {
    const engines = this.getAllEngines()
    const index = engines.findIndex((e) => e.id === engineId)
    if (index === -1) {
      return { success: false, error: '未找到该搜索引擎' }
    }

    const featureCode = `web-search-${engines[index].id}`

    engines.splice(index, 1)
    databaseAPI.dbPut(this.DB_KEY, engines)

    this.cleanupDeletedFeatureReferences(featureCode)
    this.notifyCommandsChanged()

    return { success: true }
  }

  private cleanupDeletedFeatureReferences(featureCode: string): void {
    const cleanupTargets = [