ykxmz 1.5.0：修复手表端 TLS 证书校验 + MTU 修复网络稳定性

被控端
- 修复 MTU 问题：夹 MSS + 路径 MTU 探测（公网可用率 48% -> 100%）
- 复用 HTTP 连接（免掉每次新建 TLS 的 30% 握手失败）
- 每分钟回头找局域网，自动切回快 400 倍的路径
- 画面心跳帧：静止时省流量，客户端仍知道流是活的
- 锁屏时给出可操作的提示

手表端
- 内置 GTS Root R4 / GlobalSign Root CA，修 SSLHandshakeException
- 连接错误翻译成人话（证书/时间/解析/超时分别提示）
- 经中转连上后用服务器报的地址刷新已配对记录
- 新增局域网连接页面、服务器延迟检测

服务器端
- 支持 chunked 请求体（修每 16 秒一次的连接错乱与大面积 502）
- 网络调优脚本 net-tune.sh（开机自动应用）
- 管理页：批量删除、网络体检、下载区
- 隧道改 HTTP/2 + 双连接

文档
- 许可协议 / 安装前必读 / 安装后须知（作者：小麦子）

_build/rename_everywhere.py

@@ -0,0 +1,112 @@
+# -*- coding: utf-8 -*-
+"""把活代码里的 LanRemote-Agent 统一改成 ykxmz。
+
+跳过 _build/patch_*.py —— 那些是历史补丁的记录，改了反而对不上账。
+"""
+from __future__ import annotations
+
+import re
+import sys
+from pathlib import Path
+
+ROOT = Path(r"C:\Users\shu\Desktop\deepseekagent\LanRemote")
+
+# 替换规则（注意顺序：长的先来）
+RULES = [
+    ("LanRemote-Agent.exe", "ykxmz.exe"),
+    ("LanRemote-Agent-Windows.zip", "ykxmz-Windows.zip"),
+    ('dist_exe" / "LanRemote-Agent"', 'dist_exe" / "ykxmz"'),
+    ("dist_exe\\LanRemote-Agent", "dist_exe\\ykxmz"),
+    ("dist_exe/LanRemote-Agent", "dist_exe/ykxmz"),
+    ("LanRemote-Agent\\", "ykxmz\\"),
+    ('"LanRemote-Agent"', '"ykxmz"'),
+    ("LanRemote-Agent 那个目录", "ykxmz 那个目录"),
+    ("LanRemote-Agent 目录", "ykxmz 目录"),
+]
+
+# 要改的文件（活代码）
+TARGETS = [
+    ROOT / "windows" / "run_agent.py",
+    ROOT / "windows" / "lanremote" / "ui.py",
+    ROOT / "windows" / "lanremote" / "netcheck.py",
+    ROOT / "windows" / "lanremote" / "features.py",
+    ROOT / "windows" / "lanremote" / "firewall.py",
+    ROOT / "_build" / "package_remote.py",
+    ROOT / "_build" / "package.py",
+    ROOT / "_build" / "make_fix_bat.py",
+    ROOT / "_build" / "make_toolbox.py",
+    ROOT / "_build" / "rename_tools.py",
+    ROOT / "_build" / "make_exe_fix.py",
+    ROOT / "_build" / "test_resolve.py",
+    ROOT / "_build" / "test_resolve2.py",
+    ROOT / "_build" / "test_file_pull.py",
+    ROOT / "_tests" / "test_e2e_features.py",
+    ROOT / "_tests" / "test_package_remote.py",
+    ROOT / "_tests" / "test_clip_push_safe.py",
+    ROOT / "_tests" / "diag_all_commands.py",
+    ROOT / "_tests" / "acceptance.py",
+    ROOT / "_tests" / "test_firewall.py",
+]
+
+
+def main() -> int:
+    total = 0
+    touched = []
+    for path in TARGETS:
+        if not path.is_file():
+            continue
+        text = path.read_text(encoding="utf-8")
+        original = text
+        for old, new in RULES:
+            if old in text:
+                text = text.replace(old, new)
+        if text != original:
+            path.write_text(text, encoding="utf-8", newline="\n")
+            count = sum(original.count(o) for o, _ in RULES
+                        if o in original)
+            touched.append((path.name, count))
+            total += count
+
+    for name, count in touched:
+        print(f"  {name}: {count} 处")
+    print(f"  合计 {total} 处，{len(touched)} 个文件")
+
+    # 语法检查（只查 Python）
+    import ast
+    bad = []
+    for path in TARGETS:
+        if path.suffix != ".py" or not path.is_file():
+            continue
+        try:
+            ast.parse(path.read_text(encoding="utf-8"))
+        except SyntaxError as exc:
+            bad.append((path, exc))
+    if bad:
+        for path, exc in bad:
+            print(f"  [坏] {path.name}: 行 {exc.lineno}: {exc.msg}")
+        return 1
+    print("  所有 Python 文件语法正常")
+
+    # 确认活代码里没有残留（排除历史补丁）
+    left = []
+    for path in ROOT.rglob("*.py"):
+        rel = str(path.relative_to(ROOT))
+        if rel.startswith("_build") and path.name.startswith("patch_"):
+            continue
+        if rel.startswith("_build") and path.name.startswith(
+                ("add_", "fix_", "rename_to_", "rename_tools")):
+            continue
+        text = path.read_text(encoding="utf-8", errors="replace")
+        if "LanRemote-Agent.exe" in text:
+            left.append(rel)
+    if left:
+        print(f"  还有 {len(left)} 个文件残留 LanRemote-Agent.exe:")
+        for item in left[:10]:
+            print(f"    {item}")
+    else:
+        print("  没有残留 ✓")
+    return 0
+
+
+if __name__ == "__main__":
+    sys.exit(main())