基于 main 接入各厂商直推服务端 (#118)

改动：新增厂商推送配置、设备 push_vendor/push_token 字段、device push-test 接口、心跳超时厂商直推发送逻辑和对应测试。

验证：python -m pytest tests/test_device_push.py tests/test_auth.py tests/test_health.py 通过。

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Co-authored-by: guke <guke@wonderable.ai>
Co-authored-by: 左辰勇 <exinglang@gmail.com>
Co-authored-by: lowmaster-chen <1119780489@qq.com>
Reviewed-on: #118
Co-authored-by: Ghost <>
Co-committed-by: Ghost <>

scripts/test_push_withdraw_failed.bat

@@ -0,0 +1,9 @@
+@echo off
+REM Push test #4 withdraw_failed (1 notification per run, random amount + reason).
+REM Works from ANY directory (locates project root + venv python by itself):
+REM   scripts\test_push_withdraw_failed.bat
+REM Extra args pass through, e.g.:  test_push_withdraw_failed.bat --cents 350
+REM ASCII-only comments: cmd parses .bat in the console codepage (GBK), UTF-8
+REM Chinese here gets mangled into bogus commands.
+cd /d "%~dp0.."
+".venv\Scripts\python.exe" "scripts\test_push_withdraw_failed.py" %*