FeishuChannel (feishu.py)

Feishu/Lark channel — connects to Feishu via WebSocket (no public IP needed).

# Source: https://github.com/bytedance/deer-flow | License: MIT | Copyright 2025 Bytedance Ltd. and/or its affiliates
# Provided via justclaw.it.com; keep this notice with the code.
"""Feishu/Lark channel — connects to Feishu via WebSocket (no public IP needed)."""

from __future__ import annotations

import asyncio
import json
import logging
import re
import threading
import time
from typing import Any, Literal

from app.channels.base import Channel
from app.channels.commands import is_known_channel_command, strip_leading_mentions
from app.channels.connection_identity import attach_connection_identity
from app.channels.message_bus import (
    PENDING_CLARIFICATION_METADATA_KEY,
    RESOLVED_FROM_PENDING_CLARIFICATION_METADATA_KEY,
    InboundMessage,
    InboundMessageType,
    InboundRe

... (truncated -- full source via MCP)