codex-proxy-rs/backend/tests/dispatch/service/usage_logging.rs

use super::*;

#[tokio::test]
async fn responses_should_use_imported_account_record_usage_cookie_and_usage_record() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .and(header("authorization", "Bearer access-secret"))
        .and(header("chatgpt-account-id", "chatgpt-account"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "text/event-stream")
                .insert_header(
                    "set-cookie",
                    "cf_clearance=new; Domain=.chatgpt.com; Path=/",
                )
                .set_body_string(RESPONSES_COMPLETED_USAGE_SSE),
        )
        .expect(1)
        .mount(&server)
        .await;

    let (app, api_key, pool, _dir) = test_app_with_account_pool_and_telemetry(server.uri()).await;
    let response = app
        .clone()
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .header("x-request-id", "req_non_stream_usage_log")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [],
                        "stream": false,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();
    let status = response.status();
    let body = response_json(response).await;

    assert_eq!(status, StatusCode::OK);
    assert_eq!(body["id"], "resp_usage");
    assert_eq!(body["usage"]["input_tokens"], 7);
    let usage: (i64, i64, i64, i64) = sqlx::query_as(
        "select request_count, input_tokens, output_tokens, cached_tokens from account_usage where account_id = $1",
    )
    .bind("acct_chat")
    .fetch_one(&pool)
    .await
    .unwrap();
    assert_eq!(usage, (1, 7, 4, 2));
    let model_usage: (i64, i64, i64, i64) = sqlx::query_as(
        "select request_count, input_tokens, output_tokens, cached_tokens from account_model_usage where account_id = $1 and model = $2",
    )
    .bind("acct_chat")
    .bind("gpt-5.5")
    .fetch_one(&pool)
    .await
    .unwrap();
    assert_eq!(model_usage, (1, 7, 4, 2));
    let cookie_header = PgCookieStore::new(pool.clone())
        .cookie_header("acct_chat", "chatgpt.com")
        .await
        .unwrap();
    assert_eq!(cookie_header.as_deref(), Some("cf_clearance=new"));
    let event = latest_response_usage_record(&pool).await;
    let metadata: Value = serde_json::from_str(&event.metadata_json).unwrap();
    assert_eq!(event.level, "info");
    assert_eq!(
        event.request_id.as_deref(),
        Some("req_non_stream_usage_log")
    );
    assert_eq!(event.account_id.as_deref(), Some("acct_chat"));
    assert_eq!(event.status_code, Some(200));
    assert_eq!(event.response_id.as_deref(), Some("resp_usage"));
    assert_eq!(event.response_id.as_deref(), Some("resp_usage"));
    assert_eq!(metadata["stream"], false);
    assert_eq!(event.input_tokens, Some(7));
}

#[tokio::test]
async fn responses_usage_record_should_store_resolved_upstream_model_after_alias_mapping() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "text/event-stream")
                .set_body_string(RESPONSES_COMPLETED_USAGE_SSE),
        )
        .expect(1)
        .mount(&server)
        .await;

    let (app, api_key, pool, _dir) = test_app_with_account_pool_config(server.uri(), |config| {
        config.telemetry.enabled = true;
        config
            .model_aliases
            .insert("client-alias".to_string(), "gpt-5.5".to_string());
    })
    .await;
    let response = app
        .clone()
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .header("x-request-id", "req_alias_usage_model")
                .body(Body::from(
                    json!({
                        "model": "client-alias",
                        "input": [],
                        "stream": false,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();

    assert_eq!(response.status(), StatusCode::OK);
    let event = latest_response_usage_record(&pool).await;
    assert_eq!(event.request_id.as_deref(), Some("req_alias_usage_model"));
    assert_eq!(event.model.as_deref(), Some("gpt-5.5"));
    assert_eq!(event.requested_model.as_deref(), Some("client-alias"));
    assert_eq!(event.upstream_model.as_deref(), Some("gpt-5.5"));

    let received = server.received_requests().await.unwrap();
    let upstream_body: Value = serde_json::from_slice(&received[0].body).unwrap();
    assert_eq!(upstream_body["model"], "gpt-5.5");
}

#[tokio::test]
async fn responses_should_skip_usage_record_when_telemetry_disabled() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "text/event-stream")
                .set_body_string(RESPONSES_COMPLETED_USAGE_SSE),
        )
        .expect(1)
        .mount(&server)
        .await;

    let (app, api_key, pool, _dir) =
        test_app_with_account_pool_and_disabled_telemetry(server.uri()).await;
    let response = app
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .header("x-request-id", "req_non_stream_no_log")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [],
                        "stream": false,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();

    assert_eq!(response.status(), StatusCode::OK);
    assert_eq!(response_usage_record_count(&pool).await, 0);
}

#[tokio::test]
async fn responses_should_record_image_generation_usage_when_tool_succeeds() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "text/event-stream")
                .set_body_string(RESPONSES_COMPLETED_IMAGE_USAGE_SSE),
        )
        .expect(1)
        .mount(&server)
        .await;

    let (app, api_key, pool, _dir) = test_app_with_account_and_pool(server.uri()).await;
    let response = app
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [],
                        "stream": false,
                        "use_websocket": false,
                        "tools": [{"type": "image_generation"}]
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();

    assert_eq!(response.status(), StatusCode::OK);
    let usage: (i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64, i64) =
        sqlx::query_as(
            "select request_count, input_tokens, output_tokens, cached_tokens, image_input_tokens, image_output_tokens, image_request_count, image_request_failed_count, window_image_input_tokens, window_image_output_tokens, window_image_request_count, window_image_request_failed_count from account_usage where account_id = $1",
        )
        .bind("acct_chat")
        .fetch_one(&pool)
        .await
        .unwrap();
    assert_eq!(usage, (1, 7, 4, 2, 31, 9, 1, 0, 31, 9, 1, 0));
}

#[tokio::test]
async fn responses_should_record_failed_image_generation_attempt_when_tool_has_no_output() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "text/event-stream")
                .set_body_string(RESPONSES_COMPLETED_USAGE_SSE),
        )
        .expect(1)
        .mount(&server)
        .await;

    let (app, api_key, pool, _dir) = test_app_with_account_and_pool(server.uri()).await;
    let response = app
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [],
                        "stream": false,
                        "use_websocket": false,
                        "tools": [{"type": "image_generation"}]
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();

    assert_eq!(response.status(), StatusCode::OK);
    let usage: (i64, i64, i64, i64) = sqlx::query_as(
        "select image_request_count, image_request_failed_count, window_image_request_count, window_image_request_failed_count from account_usage where account_id = $1",
    )
    .bind("acct_chat")
    .fetch_one(&pool)
    .await
    .unwrap();
    assert_eq!(usage, (0, 1, 0, 1));
}

#[tokio::test]
async fn responses_should_passively_cache_rate_limit_headers() {
    let server = MockServer::start().await;
    let reset_at = Utc::now().timestamp() + 300;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "text/event-stream")
                .insert_header("x-codex-primary-used-percent", "100")
                .insert_header("x-codex-primary-window-minutes", "5")
                .insert_header("x-codex-primary-reset-at", reset_at.to_string())
                .set_body_string(RESPONSES_COMPLETED_USAGE_SSE),
        )
        .expect(1)
        .mount(&server)
        .await;

    let (app, api_key, pool, _dir) = test_app_with_account_and_pool(server.uri()).await;
    sqlx::query(
        r#"update accounts set quota_json = '{"credits":{"has_credits":true,"unlimited":false,"balance":12}}', quota_verify_required = true where id = $1"#,
    )
    .bind("acct_chat")
    .execute(&pool)
    .await
    .unwrap();

    let response = app
        .clone()
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [],
                        "stream": false,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();

    assert_eq!(response.status(), StatusCode::OK);
    let stored: (
        Value,
        String,
        bool,
        Option<chrono::DateTime<Utc>>,
        bool,
    ) = sqlx::query_as(
        "select quota_json, status, quota_limit_reached, quota_cooldown_until, quota_verify_required from accounts where id = $1",
    )
    .bind("acct_chat")
    .fetch_one(&pool)
    .await
    .unwrap();
    let quota = stored.0;
    assert_eq!(quota["snapshots"][0]["source"], "core");
    assert_eq!(quota["snapshots"][0]["primary"]["limit_reached"], true);
    assert_eq!(quota["snapshots"][0]["primary"]["reset_at"], reset_at);
    assert_eq!(quota["credits"]["balance"], 12);
    assert_eq!(stored.1, "quota_exhausted");
    assert!(stored.2);
    assert!(stored.3.is_some());
    assert!(!stored.4);
    type UsageWindowRow = (
        i64,
        i64,
        i64,
        i64,
        Option<chrono::DateTime<Utc>>,
        Option<chrono::DateTime<Utc>>,
        Option<i64>,
    );
    let window: UsageWindowRow = sqlx::query_as(
            "select window_request_count, window_input_tokens, window_output_tokens, window_cached_tokens, window_started_at, window_reset_at, limit_window_seconds from account_usage where account_id = $1",
        )
        .bind("acct_chat")
        .fetch_one(&pool)
        .await
        .unwrap();
    assert_eq!(window.0, 1);
    assert_eq!(window.1, 7);
    assert_eq!(window.2, 4);
    assert_eq!(window.3, 2);
    assert!(window.4.is_some());
    assert_eq!(window.5.unwrap().timestamp(), reset_at);
    assert_eq!(window.6, Some(300));

    let second_response = app
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [],
                        "stream": false,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();
    assert_ne!(second_response.status(), StatusCode::OK);
}

#[tokio::test]
async fn responses_should_record_empty_response_attempts() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "text/event-stream")
                .set_body_string(RESPONSES_EMPTY_COMPLETED_SSE),
        )
        .expect(3)
        .mount(&server)
        .await;

    let (app, api_key, pool, _dir) = test_app_with_account_and_pool(server.uri()).await;
    let response = app
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [],
                        "stream": false,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();

    assert_eq!(response.status(), StatusCode::BAD_GATEWAY);
    let usage: (i64, i64, i64, i64) = sqlx::query_as(
        "select request_count, empty_response_count, input_tokens, output_tokens from account_usage where account_id = $1",
    )
    .bind("acct_chat")
    .fetch_one(&pool)
    .await
    .unwrap();
    assert_eq!(usage, (3, 3, 0, 0));
}

#[tokio::test]
async fn responses_stream_should_proxy_sse_and_record_usage() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .and(header("authorization", "Bearer access-secret"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "text/event-stream")
                .set_body_string(RESPONSES_STREAM_USAGE_SSE),
        )
        .expect(1)
        .mount(&server)
        .await;

    let (app, api_key, pool, _dir) = test_app_with_account_and_pool(server.uri()).await;
    let response = app
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [{"role": "user", "content": "Say hello"}],
                        "stream": true,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();
    let status = response.status();
    let content_type = response
        .headers()
        .get("content-type")
        .and_then(|value| value.to_str().ok())
        .unwrap_or_default()
        .to_string();
    let body = response_text(response).await;
    let usage: (i64, i64, i64) = sqlx::query_as(
        "select request_count, input_tokens, output_tokens from account_usage where account_id = $1",
    )
    .bind("acct_chat")
    .fetch_one(&pool)
    .await
    .unwrap();
    let model_usage: (i64, i64, i64) = sqlx::query_as(
        "select request_count, input_tokens, output_tokens from account_model_usage where account_id = $1 and model = $2",
    )
    .bind("acct_chat")
    .bind("gpt-5.5")
    .fetch_one(&pool)
    .await
    .unwrap();

    assert_eq!(status, StatusCode::OK);
    assert!(content_type.starts_with("text/event-stream"));
    assert!(body.contains("event: response.completed"));
    assert!(body.contains("resp_stream_usage"));
    assert!(
        body.ends_with("data: [DONE]\n\n"),
        "stream responses should terminate clients, body was {body:?}"
    );
    assert_eq!(usage, (1, 3, 5));
    assert_eq!(model_usage, (1, 3, 5));
}

#[tokio::test]
async fn responses_stream_should_record_usage_record_after_completed_stream() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "text/event-stream")
                .insert_header("retry-after", "7")
                .insert_header("x-ratelimit-limit-requests", "99")
                .set_body_string(RESPONSES_STREAM_USAGE_SSE),
        )
        .mount(&server)
        .await;

    let (app, api_key, pool, _dir) = test_app_with_account_pool_and_telemetry(server.uri()).await;
    let response = app
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .header("x-request-id", "req_stream_completed_log")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [{"role": "user", "content": "stream with log"}],
                        "stream": true,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();
    let body = response_text(response).await;
    let event = latest_response_usage_record(&pool).await;
    let metadata: Value = serde_json::from_str(&event.metadata_json).unwrap();

    assert!(body.contains("resp_stream_usage"));
    assert_eq!(event.level, "info");
    assert_eq!(
        event.request_id.as_deref(),
        Some("req_stream_completed_log")
    );
    assert_eq!(event.account_id.as_deref(), Some("acct_chat"));
    assert_eq!(event.status_code, Some(200));
    assert_eq!(metadata["stream"], true);
    assert_eq!(event.transport.as_deref(), Some("http_sse"));
    assert_eq!(metadata["completed"], true);
    assert_eq!(event.response_id.as_deref(), Some("resp_stream_usage"));
    assert_eq!(event.input_tokens, Some(3));
    assert_eq!(event.output_tokens, Some(5));
    assert!(
        event.first_token_ms.is_some_and(|value| value > 0),
        "stream usage metadata should include first token latency: {metadata:?}",
    );
    let first_token_bucket: (i64, i64) = sqlx::query_as(
        "select first_token_latency_sum, first_token_latency_count from request_time_buckets limit 1",
    )
    .fetch_one(&pool)
    .await
    .unwrap();
    assert!(first_token_bucket.0 > 0);
    assert_eq!(first_token_bucket.1, 1);
    assert_rate_limit_header(&metadata, "retry-after", "7");
    assert_rate_limit_header(&metadata, "x-ratelimit-limit-requests", "99");
    assert!(metadata.get("requestBody").is_none());
    assert!(metadata.get("responseBody").is_none());
}

#[tokio::test]
async fn responses_stream_should_preserve_body_metadata_when_capture_body_enabled() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "text/event-stream")
                .set_body_string(RESPONSES_STREAM_USAGE_SSE),
        )
        .mount(&server)
        .await;

    let (app, api_key, pool, _dir) =
        test_app_with_account_pool_and_telemetry_capture_body(server.uri()).await;
    let response = app
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .header("x-request-id", "req_stream_capture_body_log")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [{"role": "user", "content": "stream body capture"}],
                        "stream": true,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();
    let body = response_text(response).await;
    let event = latest_response_usage_record(&pool).await;
    let metadata: Value = serde_json::from_str(&event.metadata_json).unwrap();

    assert!(body.contains("resp_stream_usage"));
    assert_eq!(event.level, "info");
    assert_eq!(
        event.request_id.as_deref(),
        Some("req_stream_capture_body_log")
    );
    assert_eq!(metadata["requestBody"]["model"], "gpt-5.5");
    assert_eq!(metadata["requestBody"]["stream"], true);
    assert!(metadata["responseBody"]
        .as_str()
        .is_some_and(|body| body.contains("resp_stream_usage")));
}

#[tokio::test]
async fn responses_stream_should_record_usage_record_after_late_disconnect() {
    let (base_url, first_chunk_sent, close_upstream) =
        spawn_chunked_sse_upstream_then_clean_close_with_headers(
            include_str!("../../fixtures/responses/http_sse/partial_logged_disconnect.sse"),
            &[
                ("retry-after", "11"),
                ("x-codex-primary-used-percent", "88"),
            ],
        )
        .await;

    let (app, api_key, pool, _dir) = test_app_with_account_pool_and_telemetry(base_url).await;
    let response_task = tokio::spawn(async move {
        app.oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .header("x-request-id", "req_stream_disconnect_log")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [{"role": "user", "content": "stream disconnect log"}],
                        "stream": true,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap()
    });
    first_chunk_sent.await.unwrap();
    let response = response_task.await.unwrap();
    close_upstream.send(()).unwrap();
    let body = response_text(response).await;
    let event = latest_response_ops_error_log(&pool).await;
    let metadata: Value = serde_json::from_str(&event.metadata_json).unwrap();

    assert!(body.contains("stream_disconnected"));
    assert_eq!(event.level, "error");
    assert_eq!(
        event.request_id.as_deref(),
        Some("req_stream_disconnect_log")
    );
    assert_eq!(event.account_id.as_deref(), Some("acct_chat"));
    assert_eq!(event.status_code, Some(502));
    assert_eq!(metadata["stream"], true);
    assert_eq!(metadata["failed"], true);
    assert_eq!(metadata["upstreamCode"], "stream_disconnected");
    assert_eq!(metadata["failureSource"], "proxy");
    assert_eq!(metadata["synthetic"], true);
    assert_rate_limit_header(&metadata, "retry-after", "11");
    assert_rate_limit_header(&metadata, "x-codex-primary-used-percent", "88");
    let stored_quota: (Option<Value>,) =
        sqlx::query_as("select quota_json from accounts where id = $1")
            .bind("acct_chat")
            .fetch_one(&pool)
            .await
            .unwrap();
    let quota = stored_quota.0.unwrap();
    assert_eq!(
        quota["snapshots"][0]["primary"]["used_percent"].as_f64(),
        Some(88.0)
    );
}

#[tokio::test]
async fn responses_stream_should_record_failure_detail_after_transport_error() {
    let (base_url, first_chunk_sent, close_upstream) =
        spawn_chunked_sse_upstream_then_abrupt_close(include_str!(
            "../../fixtures/responses/http_sse/partial_transport_failure.sse"
        ))
        .await;

    let (app, api_key, pool, _dir) = test_app_with_account_pool_and_telemetry(base_url).await;
    let response_task = tokio::spawn(async move {
        app.oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .header("x-request-id", "req_stream_transport_error_log")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [{"role": "user", "content": "stream transport error log"}],
                        "stream": true,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap()
    });
    first_chunk_sent.await.unwrap();
    let response = response_task.await.unwrap();
    close_upstream.send(()).unwrap();
    let _body = response_text(response).await;
    let event = latest_response_ops_error_log(&pool).await;
    let metadata: Value = serde_json::from_str(&event.metadata_json).unwrap();

    assert_eq!(metadata["failureSource"], "proxy");
    assert_eq!(metadata["synthetic"], true);
    assert!(metadata["failureDetail"]
        .as_str()
        .is_some_and(|detail| !detail.trim().is_empty()));
}

#[tokio::test]
async fn responses_stream_should_not_record_first_token_when_metadata_only_prefix_fails() {
    let (base_url, first_chunk_sent, close_upstream) = spawn_chunked_sse_upstream_then_clean_close(
        include_str!("../../fixtures/responses/http_sse/metadata_only_prefix.sse"),
    )
    .await;

    let (app, api_key, pool, _dir) = test_app_with_account_pool_and_telemetry(base_url).await;
    let response_task = tokio::spawn(async move {
        app.oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .header("x-request-id", "req_stream_metadata_only_disconnect")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [{"role": "user", "content": "metadata then close"}],
                        "stream": true,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap()
    });
    first_chunk_sent.await.unwrap();
    let response = response_task.await.unwrap();
    close_upstream.send(()).unwrap();
    let body = response_text(response).await;
    let event = latest_response_ops_error_log(&pool).await;
    let metadata: Value = serde_json::from_str(&event.metadata_json).unwrap();
    let first_token_bucket: (i64, i64) = sqlx::query_as(
        "select coalesce(sum(first_token_latency_sum), 0)::bigint, coalesce(sum(first_token_latency_count), 0)::bigint from request_time_buckets",
    )
    .fetch_one(&pool)
    .await
    .unwrap();

    assert!(body.contains("stream_disconnected"));
    assert_eq!(event.level, "error");
    assert_eq!(
        event.request_id.as_deref(),
        Some("req_stream_metadata_only_disconnect")
    );
    assert_eq!(event.status_code, Some(502));
    assert_eq!(metadata["stream"], true);
    assert_eq!(metadata["failed"], true);
    assert!(metadata.get("firstTokenMs").is_none());
    assert_eq!(first_token_bucket, (0, 0));
}

#[tokio::test]
async fn responses_should_record_request_count_when_5xx_retries_are_exhausted() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .and(header("authorization", "Bearer access-secret"))
        .respond_with(ResponseTemplate::new(500).set_body_json(json!({
            "error": {"message": "temporary upstream failure"}
        })))
        .mount(&server)
        .await;

    let (app, api_key, pool, _dir) = test_app_with_account_and_pool(server.uri()).await;
    let response = app
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [{"role": "user", "content": "Say hello"}],
                        "stream": false,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();
    let status = response.status();
    let authorizations = received_authorizations(&server).await;
    let failed_usage: Option<(i64,)> =
        sqlx::query_as("select request_count from account_usage where account_id = $1")
            .bind("acct_chat")
            .fetch_optional(&pool)
            .await
            .unwrap();

    assert_eq!(status, StatusCode::BAD_GATEWAY);
    assert_eq!(authorizations.len(), 3, "requests: {authorizations:?}");
    assert_eq!(failed_usage.map(|row| row.0).unwrap_or_default(), 1);
    let event = latest_response_ops_error_log(&pool).await;
    let metadata: Value = serde_json::from_str(&event.metadata_json).unwrap();
    assert_eq!(event.account_id.as_deref(), Some("acct_chat"));
    assert_eq!(metadata["accountEmail"], "user@example.com");
}

#[tokio::test]
async fn responses_should_record_attempt_trace_after_retrying_another_account() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .and(header("authorization", "Bearer access-primary"))
        .respond_with(ResponseTemplate::new(429).set_body_json(json!({
            "error": {"message": "primary rate limited"}
        })))
        .expect(1)
        .mount(&server)
        .await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .and(header("authorization", "Bearer access-secondary"))
        .respond_with(ResponseTemplate::new(500).set_body_json(json!({
            "error": {"message": "secondary failed"}
        })))
        .expect(3)
        .mount(&server)
        .await;

    let secret_input = "do not persist this input";
    let (app, api_key, pool, _dir) = test_app_with_two_accounts_and_telemetry(server.uri()).await;
    let response = app
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .header("x-request-id", "req_attempt_trace_retry")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": secret_input,
                        "stream": false,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();
    let event = latest_response_ops_error_log(&pool).await;
    let metadata: Value = serde_json::from_str(&event.metadata_json).unwrap();

    assert_eq!(response.status(), StatusCode::BAD_GATEWAY);
    assert_eq!(event.level, "error");
    assert_eq!(event.request_id.as_deref(), Some("req_attempt_trace_retry"));
    assert_eq!(event.account_id.as_deref(), Some("acct_secondary"));
    assert_eq!(event.status_code, Some(500));
    assert_eq!(event.client_status_code, Some(502));
    assert_eq!(event.upstream_status_code, Some(500));
    assert_eq!(event.attempt_index, Some(1));
    assert_eq!(metadata["attemptCount"], 2);
    assert_eq!(metadata["attempts"][0]["index"], 0);
    assert_eq!(metadata["attempts"][0]["accountId"], "acct_primary");
    assert_eq!(metadata["attempts"][1]["index"], 1);
    assert_eq!(metadata["attempts"][1]["accountId"], "acct_secondary");
    assert_eq!(metadata["requestSummary"]["inputType"], "string");
    assert!(metadata["requestSummary"]["inputItemsCount"].is_null());
    assert_eq!(metadata["requestSummary"]["transport"], "http_sse");
    assert_eq!(
        metadata["requestSummary"]["localTransport"]["useWebsocket"],
        false
    );
    assert!(
        !metadata.to_string().contains(secret_input),
        "request summary must not persist input content: {metadata:?}",
    );
}

#[tokio::test]
async fn responses_should_complete_when_session_affinity_recording_is_enabled() {
    let server = MockServer::start().await;
    Mock::given(method("POST"))
        .and(path("/codex/responses"))
        .and(header("authorization", "Bearer access-secret"))
        .and(header("chatgpt-account-id", "chatgpt-account"))
        .respond_with(
            ResponseTemplate::new(200)
                .insert_header("content-type", "text/event-stream")
                .set_body_string(RESPONSES_SUCCESS_SSE),
        )
        .mount(&server)
        .await;

    let (app, api_key, _pool, _dir) = test_app_with_account_and_pool(server.uri()).await;
    let response = app
        .oneshot(
            Request::builder()
                .method("POST")
                .uri("/v1/responses")
                .header("authorization", format!("Bearer {api_key}"))
                .header("content-type", "application/json")
                .body(Body::from(
                    json!({
                        "model": "gpt-5.5",
                        "input": [{"role": "user", "content": "Say hello"}],
                        "stream": false,
                        "use_websocket": false
                    })
                    .to_string(),
                ))
                .unwrap(),
        )
        .await
        .unwrap();
    assert_eq!(response.status(), StatusCode::OK);
}