feat(bridge): BLE 桥接能力——bridge_server.py(Windows原生) + BridgeTransport + --via/PPCLOCK_VIA，149 测试全绿

src/ppclock/cli.py

@@ -1,10 +1,13 @@
-"""ppclock CLI — 离线、agent 友好（--json 机器可读输出）。"""
+"""ppclock CLI — 离线、agent 友好（--json 机器可读输出）。
+传输选择：默认本机 BLE；`--via bridge://host[:port]`（或环境变量 PPCLOCK_VIA）
+经 bridge 服务端（tools/bridge_server.py）远程使用他机蓝牙。"""
 from __future__ import annotations
 
 import argparse
 import asyncio
 import datetime
 import json
+import os
 import sys
 
 from . import commands as C
@@ -39,6 +42,12 @@ def _emit(args, cmd, data=None, error=None):
 
 def _make_transport(args):
     """工厂函数——测试用 monkeypatch 替换为 FakeTransport。"""
+    from .bridge import BridgeTransport, parse_via
+    via = parse_via(getattr(args, "via", None))
+    if via:
+        host, port = via
+        return BridgeTransport(address=args.mac, timeout=args.timeout,
+                               host=host, port=port)
     from .transport import BLETransport
     return BLETransport(address=args.mac, timeout=args.timeout)
 
@@ -86,6 +95,8 @@ def build_parser() -> argparse.ArgumentParser:
     p.add_argument("--mac", help="设备 MAC（省略则自动扫描 NRF- 前缀设备）")
     p.add_argument("--timeout", type=float, default=10.0)
     p.add_argument("--json", action="store_true", help="机器可读 JSON 输出")
+    p.add_argument("--via", default=os.environ.get("PPCLOCK_VIA"),
+                   help="传输：local(默认) 或 bridge://host[:port]（桥接他机蓝牙）")
     sub = p.add_subparsers(dest="cmd", required=True)
 
     sub.add_parser("scan", help="扫描设备")
@@ -299,6 +310,11 @@ async def _run_batch(args) -> list:
 
 async def _dispatch(args) -> dict | list | None:
     if args.cmd == "scan":
+        from .bridge import parse_via
+        via = parse_via(getattr(args, "via", None))
+        if via:
+            from .bridge import scan as bridge_scan
+            return {"devices": await bridge_scan(via[0], via[1], timeout=args.timeout)}
         from .transport import scan
         return {"devices": await scan(timeout=args.timeout)}
     if args.cmd == "batch":