From 4840f7ebc6cf711a219f7360b2e29aae4bcb1622 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=BB=9D=E5=B0=98?= <237809796@qq.com>
Date: Sun, 23 Aug 2026 14:15:13 +0800
Subject: [PATCH] =?UTF-8?q?=E6=96=87=E6=A1=A3:=20df-relay=20=E6=A0=87?=
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+# df-relay — 已迁移（deprecated）
+
+> **本 crate 已于 2026-08-23 提取为独立产品 [`u-relay`](../u-relay)**（`E:/wk-lab/u-relay`，git filter-repo 保留完整提交历史，脱敏改名 df_\*→u_\*）。
+
+- **新功能一律在 u-relay 仓库开发**，本 crate 不再接受功能演进（防双份漂移）
+- 本目录暂保留：现役生产部署（容器 :9180）仍从 devflow 侧构建，待 devflow 客户端（df-tunnel / 小程序 ws.ts）迁移 u-relay 后整体下线（设计 Q7）
+- u-relay 协议为 df-relay 超集：hello / device_id / Event / Command 帧原样兼容，迁移只需切 host
+
+设计文档：`C:/Users/23780/docs/u-box-design.md` §3.3 + `u-relay-extract-plan.md`