Merge remote-tracking branch 'origin/send_coupon' into send_coupon

zxl

2025-10-11 c69f83e94126c7f80e29e5f0a28bef90efab08ac

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/**
 * 私聊
 */
const PRIVATE_CHAT = 1
 
/**
 * 群聊
 */
const GROUP_CHAT = 2