Feishu Streaming Card Creation Fails with HTTP 400

Issue Summary

Creating a Feishu streaming card fails with HTTP 400 error due to missing required field update_multi: true in the card JSON configuration for JSON 2.0 schema.

Error Log

[feishu] streaming start failed: Error: Create card request failed with HTTP 400

Root Cause

According to Feishu Card JSON 2.0 Structure, the config.update_multi field must be set to true for JSON 2.0 cards.

Current OpenClaw code generates:

const cardJson = {
    schema: "2.0",
    config: {
        streaming_mode: true,
        summary: { content: "[Generating...]" },
        streaming_config: { ... }
        // ❌ Missing: update_multi: true
    },
    body: { elements }
};

Required structure:

const cardJson = {
    schema: "2.0",
    config: {
        streaming_mode: true,
        update_multi: true,  // ✅ Required for JSON 2.0
        summary: { content: "[Generating...]" },
        streaming_config: { ... }
    },
    body: { elements }
};

Affected File

/opt/homebrew/lib/node_modules/openclaw/dist/monitor-Chuq_Doi.js (line ~688)

Steps to Reproduce

1. Send a message to Feishu that triggers AI response
2. Check gateway logs for streaming start failed error
3. Error occurs during card creation via cardkit/v1/cards API

Expected Behavior

Feishu streaming cards should be created successfully with JSON 2.0 schema.

Actual Behavior

Card creation fails with HTTP 400 error.

Environment

• OpenClaw Version: 2026.4.14
• Channel: Feishu
• Card Schema: 2.0

Proposed Fix

Add update_multi: true to the config object when creating streaming cards.

References

• Feishu Card JSON 2.0 Structure
• Feishu Card Kit Create API
• Feishu Streaming Updates Guide

Reported by: User via OpenClaw Assistant