Method sendFileSafe

src/runtime/adapters/slack.ts:858–884

* Send a file to the Slack channel/thread.

(
    client: any,
    route: SlackRoute,
    filePath: string,
    caption?: string,
  )

   * Send a file to the Slack channel/thread.
   */
  private async sendFileSafe(
    client: any,
    route: SlackRoute,
    filePath: string,
    caption?: string,
  ): Promise<void> {
    try {
      if (!fs.existsSync(filePath)) {
        console.error(`[Slack] File not found for sending: ${filePath}`);
        return;
      }

      const filename = path.basename(filePath);
      const fileContent = fs.readFileSync(filePath);

      await client.files.uploadV2({
        channel_id: route.channel,
        thread_ts: route.threadTs,
        filename,
        file: fileContent,
        title: caption || filename,
        initial_comment: caption || undefined,
      });
    } catch (err) {
      console.error("[Slack] Failed to send file:", err);
    }
  }
}