proxyip-probe
GET /probe?key=K&ip=1.2.3.4&port=443&sni=chatgpt.com
GET /direct?key=K&sni=chatgpt.com
POST /batch?key=K  {"ips":["1.2.3.4"],"port":443,"sni":"chatgpt.com","concurrency":20}
也可以把 key 放在请求头 x-test-key（适合 key 里含 / 的情况）