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[Feishu] Bug: "media type: application/octet-stream" error when receiving text messages #22542

Closed as not planned

Description

@manualpage222

Description

When sending a text message to opencode via Feishu (both mobile app and web version), the system returns an error:
❌ 'media type: application/octet-stream' functionality not supported.
The bot fails to process text messages from Feishu and cannot reply.

Plugins

none

OpenCode version

1.4.4

Steps to reproduce

  1. Open Feishu (mobile app or web version)
  2. Send a plain text message "hello" to the opencode bot
  3. The system returns an error instead of processing the message

Screenshot and/or share link

Image

Operating System

Windows 11

Terminal

Windows Terminal

Activity

  1. added
    coreAnything pertaining to core functionality of the application (opencode server stuff)
    on Apr 15, 2026
  2. github-actions commented on Apr 15, 2026

    @github-actions
    Contributor

    This issue doesn't fully meet our contributing guidelines.

    What needs to be fixed:

    • The issue description appears to be AI-generated (overly structured "Technical Details" and "Workaround" sections with polished language). Please replace it with your own description of what you observed.
    • Security concern: The issue contains what appear to be sensitive credentials (Feishu App ID, partially redacted App Secret, a phone number, and a session ID). Please revoke/rotate these immediately and edit the issue to remove them.

    Please edit this issue to address the above within 2 hours, or it will be automatically closed.


    This issue might be a duplicate of existing issues. Please check:

    If you believe this was flagged incorrectly, please let a maintainer know.

  3. manualpage222 commented on Apr 15, 2026

    @manualpage222
    Author

    Communication between Feishu and OpenCode had been working fine until now, but this issue suddenly arose today, even though no changes have been made to the configuration.

  4. github-actions commented on Apr 15, 2026

    @github-actions
    Contributor

    Thanks for updating the issue! It now follows the contributing guidelines and includes all the required information. We appreciate you providing the error details, steps to reproduce, screenshot, and system information.

  5. removed
    bugSomething isn't working
    coreAnything pertaining to core functionality of the application (opencode server stuff)
    on May 3, 2026
  6. github-actions commented on Jul 3, 2026

    @github-actions
    Contributor

    To stay organized issues are automatically closed after 60 days of no activity. If the issue is still relevant please open a new one.

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