Log headers in trace mode

[pakrym-oai]

To enable:

export RUST_LOG="warn,codex_=trace"

Sample:

Request completed method=POST url=https://chatgpt.com/backend-api/codex/responses status=200 OK headers={"date": "Wed, 14 Jan 2026 18:21:21 GMT", "transfer-encoding": "chunked", "connection": "keep-alive", "x-codex-plan-type": "business", "x-codex-primary-used-percent": "3", "x-codex-secondary-used-percent": "6", "x-codex-primary-window-minutes": "300", "x-codex-primary-over-secondary-limit-percent": "0", "x-codex-secondary-window-minutes": "10080", "x-codex-primary-reset-after-seconds": "9944", "x-codex-secondary-reset-after-seconds": "171121", "x-codex-primary-reset-at": "1768424824", "x-codex-secondary-reset-at": "1768586001", "x-codex-credits-has-credits": "False", "x-codex-credits-balance": "", "x-codex-credits-unlimited": "False", "x-models-etag": "W/\"7a7ffbc83c159dbd7a2a73aaa9c91b7a\"", "x-oai-request-id": "ffedcd30-6d8a-4c4d-be10-8ebb23c142c8", "x-envoy-upstream-service-time": "417", "x-openai-proxy-wasm": "v0.1", "cf-cache-status": "DYNAMIC", "set-cookie": "__cf_bm=xFKeaMbWNbKO5ZX.K5cJBhj34OA1QvnF_3nkdMThjlA-1768414881-1.0.1.1-uLpsE_BDkUfcmOMaeKVQmv_6_2ytnh_R3lO_il5N5K3YPQEkBo0cOMTdma6bK0Gz.hQYcIesFwKIJht1kZ9JKqAYYnjgB96hF4.sii2U3cE; path=/; expires=Wed, 14-Jan-26 18:51:21 GMT; domain=.chatgpt.com; HttpOnly; Secure; SameSite=None", "report-to": "{\"endpoints\":[{\"url\":\"https:\/\/a.nel.cloudflare.com\/report\/v4?s=4Kc7g4zUhKkIm3xHuB6ba4jyIUqqZ07ETwIPAYQASikRjA8JesbtUKDP9tSrZ5PnzWldaiSz5dZVQFI579LEsCMlMUSelTvmyQ8j4FbFDawi%2FprWZ5iRePiaSalr\"}],\"group\":\"cf-nel\",\"max_age\":604800}", "nel": "{\"success_fraction\":0.01,\"report_to\":\"cf-nel\",\"max_age\":604800}", "strict-transport-security": "max-age=31536000; includeSubDomains; preload", "x-content-type-options": "nosniff", "cross-origin-opener-policy": "same-origin-allow-popups", "referrer-policy": "strict-origin-when-cross-origin", "server": "cloudflare", "cf-ray": "9bdf270adc7aba3a-SEA"} version=HTTP/1.1