refactor(cli): ota 预检免设备连接，132 测试全绿

src/ppclock/cli.py

@@ -248,10 +248,20 @@ async def _run_command(args, t):
             await t.write_rxtx(data, response=not args.no_response)
         return {"sent": len(data)}
     if c == "ota":
+        from pathlib import Path
+        image = Path(args.file).read_bytes()
+        _ota_precheck(args)  # 不合格直接抛 ValueError
+        progress_log = []
+        result = await t.run_ota(image, on_progress=progress_log.append)
+        return {"ota": "done", **result, "blocks_ok": len(progress_log)}
+    raise ValueError(f"未知命令 {c}")
+
+
+def _ota_precheck(args) -> dict:
+    """无设备场景的固件预检（--yes 才需要连接）。"""
     import zlib
     from pathlib import Path
     image = Path(args.file).read_bytes()
-        # 独立预检（pQ 头 + CRC32(body)），与 tools/fw.py 同规则
     if len(image) < 64 or image[0:2] != b"pQ":
         raise ValueError("固件格式错误（缺 pQ 头）")
     body_size = int.from_bytes(image[4:8], "little")
@@ -259,13 +269,8 @@ async def _run_command(args, t):
               == int.from_bytes(image[8:12], "little"))
     if not crc_ok:
         raise ValueError("固件 CRC 校验失败，拒绝烧录")
-        if not args.yes:
     return {"precheck": "ok", "body_size": body_size,
             "hint": "加 --yes 执行烧录"}
-        progress_log = []
-        result = await t.run_ota(image, on_progress=progress_log.append)
-        return {"ota": "done", **result, "blocks_ok": len(progress_log)}
-    raise ValueError(f"未知命令 {c}")
 
 
 async def _run_batch(args) -> list:
@@ -298,6 +303,8 @@ async def _dispatch(args) -> dict | list | None:
         return {"devices": await scan(timeout=args.timeout)}
     if args.cmd == "batch":
         return {"results": await _run_batch(args)}
+    if args.cmd == "ota" and not args.yes:
+        return _ota_precheck(args)  # 预检无需设备
     return await _run_with_transport(args, lambda t: _run_command(args, t))