Function initiateCoordinatedFlow

initiateCoordinatedFlow(
    bot: {
        sendMessage: (
            chatId: string | number,
            text: string,
            options?: Omit<ReplyOptions, "reply_markup">,
        ) => Promise<TelegramMessage>;
    },
    storage: UserFlowStateManager,
    options: CoordinatedFlowOptions,
): Promise<{ message: TelegramMessage; stateKey: string }>
Starts a persisted coordinated flow and sends the signed Mini App launch message.
Parameters
- bot: {
      sendMessage: (
          chatId: string | number,
          text: string,
          options?: Omit<ReplyOptions, "reply_markup">,
      ) => Promise<TelegramMessage>;
  }
- storage: UserFlowStateManager
- options: CoordinatedFlowOptions
Returns Promise<{ message: TelegramMessage; stateKey: string }>
Example
```
const result = await initiateCoordinatedFlow(bot, manager, {
  chatId: 1,
  flowId: "task-shop",
  initialStep: "catalog",
  secret: "coord-secret",
  text: "Continue in the Mini App",
  userId: "42",
  webAppUrl: "https://example.ngrok.app"
});
```