feat(logs): show estimated decode throughput

gui/src/i18n/de.ts

@@ -746,8 +746,10 @@ export const de: Record<TKey, string> = {
   "logs.col.status": "Status",
   "logs.col.tokens": "Tokens",
   "logs.col.tokPerSec": "tok/s",
+  "logs.col.decodeTokPerSec": "Decode-Tok/s",
   "logs.col.estimatedCost": "~$",
   "logs.metric.tokPerSecTitle": "Ausgabe-Tokens pro Sekunde über die gesamte Anfragedauer",
+  "logs.metric.decodeTokPerSecTitle": "Geschätzte Ausgabe-Tokens pro Sekunde nach TTFT; Stream-Abschluss und Netzwerkpausen können weiterhin enthalten sein",
   "logs.metric.estimatedCostTitle": "API-Listenpreis-Äquivalent, keine tatsächliche Belastung; bei fehlendem Preisabgleich nicht verfügbar",
   "usage.cost.total": "API-Listenpreis-Äquivalent (dieser Zeitraum)",
   "usage.cost.disclaimer": "Kein Abrechnungsbeleg. Stattdessen können Abonnementnutzung oder Anbieter-Guthaben gelten.",
@@ -793,6 +795,7 @@ export const de: Record<TKey, string> = {
   "logs.detail.reason.usage_unsupported": "Dieser Anbieter meldet keine Nutzung.",
   "logs.detail.reason.output_missing": "Es wurden keine positiven Ausgabe-Tokens gemeldet.",
   "logs.detail.reason.invalid_duration": "Die Anfragedauer ist ungültig.",
+  "logs.detail.reason.ttft_missing": "Für diese Anfrage wurde keine TTFT erfasst.",
   "logs.detail.reason.price_unmatched": "Kein passender Preis gefunden.",
   "logs.detail.reason.invalid_cache_breakdown": "Cache-Token-Details widersprechen den Eingabe-Tokens.",
   "logs.detail.reason.invalid_usage": "Die Nutzung enthält einen ungültigen Token-Wert.",

gui/src/i18n/en.ts

@@ -793,8 +793,10 @@ export const en = {
   "logs.col.status": "Status",
   "logs.col.tokens": "Tokens",
   "logs.col.tokPerSec": "tok/s",
+  "logs.col.decodeTokPerSec": "decode tok/s",
   "logs.col.estimatedCost": "~$",
   "logs.metric.tokPerSecTitle": "Output tokens per second over the full request duration",
+  "logs.metric.decodeTokPerSecTitle": "Estimated output tokens per second after TTFT; stream finalization and network pauses may still be included",
   "logs.metric.estimatedCostTitle": "API list-price equivalent, not an actual charge; unmatched pricing is unavailable",
   "usage.cost.total": "API list-price equivalent (this range)",
   "usage.cost.disclaimer": "Not a billing receipt. Subscription usage or provider credits may apply instead.",
@@ -840,6 +842,7 @@ export const en = {
   "logs.detail.reason.usage_unsupported": "This provider does not report usage.",
   "logs.detail.reason.output_missing": "No positive output token count was reported.",
   "logs.detail.reason.invalid_duration": "The request duration is not valid.",
+  "logs.detail.reason.ttft_missing": "TTFT was not recorded for this request.",
   "logs.detail.reason.price_unmatched": "No matching price was found.",
   "logs.detail.reason.invalid_cache_breakdown": "Cache token details conflict with total input tokens.",
   "logs.detail.reason.invalid_usage": "Usage contains an invalid token value.",

gui/src/i18n/fr.ts

@@ -774,8 +774,10 @@ export const fr: Record<TKey, string> = {
   "logs.col.status": "État",
   "logs.col.tokens": "Jetons",
   "logs.col.tokPerSec": "jetons/s",
+  "logs.col.decodeTokPerSec": "jetons/s (décodage)",
   "logs.col.estimatedCost": "~$",
   "logs.metric.tokPerSecTitle": "Jetons de sortie par seconde sur toute la durée de la requête",
+  "logs.metric.decodeTokPerSecTitle": "Estimation des jetons de sortie par seconde après le TTFT ; la finalisation du flux et les pauses réseau peuvent rester incluses",
   "logs.metric.estimatedCostTitle": "Équivalent au tarif catalogue de l’API, et non montant réellement facturé ; aucun tarif n’est disponible en l’absence de correspondance",
   "usage.cost.total": "Équivalent au tarif catalogue de l’API (cette période)",
   "usage.cost.disclaimer": "Ceci n’est pas un reçu de facturation. L’utilisation d’un abonnement ou les crédits du fournisseur peuvent s’appliquer à la place.",
@@ -821,6 +823,7 @@ export const fr: Record<TKey, string> = {
   "logs.detail.reason.usage_unsupported": "Ce fournisseur ne communique pas l’utilisation.",
   "logs.detail.reason.output_missing": "Aucun nombre positif de jetons de sortie n’a été communiqué.",
   "logs.detail.reason.invalid_duration": "La durée de la requête n’est pas valide.",
+  "logs.detail.reason.ttft_missing": "Le TTFT n’a pas été enregistré pour cette requête.",
   "logs.detail.reason.price_unmatched": "Aucun tarif correspondant n’a été trouvé.",
   "logs.detail.reason.invalid_cache_breakdown": "Le détail des jetons du cache est incompatible avec le nombre total de jetons d’entrée.",
   "logs.detail.reason.invalid_usage": "Les données d’utilisation contiennent une valeur de jetons non valide.",

gui/src/i18n/ja.ts

@@ -708,8 +708,10 @@ export const ja: Record<TKey, string> = {
   "logs.col.status": "状態",
   "logs.col.tokens": "トークン",
   "logs.col.tokPerSec": "tok/s",
+  "logs.col.decodeTokPerSec": "decode tok/s",
   "logs.col.estimatedCost": "~$",
   "logs.metric.tokPerSecTitle": "リクエスト全体の所要時間あたりの出力トークン数",
+  "logs.metric.decodeTokPerSecTitle": "TTFT 後の推定出力 tok/s（ストリーム終了処理やネットワーク待機を含む場合があります）",
   "logs.metric.estimatedCostTitle": "API 定価相当額(実際の請求ではありません); 未対応の価格は利用できません",
   "usage.cost.total": "API 定価相当額(この期間)",
   "usage.cost.disclaimer": "請求明細ではありません。サブスクリプション利用量やプロバイダークレジットが代わりに適用される場合があります。",
@@ -755,6 +757,7 @@ export const ja: Record<TKey, string> = {
   "logs.detail.reason.usage_unsupported": "このプロバイダーは使用量を報告しません。",
   "logs.detail.reason.output_missing": "正の出力トークン数が報告されませんでした。",
   "logs.detail.reason.invalid_duration": "リクエストの所要時間が有効ではありません。",
+  "logs.detail.reason.ttft_missing": "このリクエストでは TTFT が記録されていません。",
   "logs.detail.reason.price_unmatched": "一致する価格が見つかりませんでした。",
   "logs.detail.reason.invalid_cache_breakdown": "キャッシュトークンの詳細が合計入力トークンと矛盾しています。",
   "logs.detail.reason.invalid_usage": "使用量に無効なトークン値が含まれています。",

gui/src/i18n/ko.ts

@@ -777,8 +777,10 @@ export const ko: Record<TKey, string> = {
   "logs.col.status": "상태",
   "logs.col.tokens": "토큰",
   "logs.col.tokPerSec": "tok/s",
+  "logs.col.decodeTokPerSec": "decode tok/s",
   "logs.col.estimatedCost": "~$",
   "logs.metric.tokPerSecTitle": "전체 요청 시간 기준 초당 출력 토큰",
+  "logs.metric.decodeTokPerSecTitle": "TTFT 이후 추정 초당 출력 토큰이며 스트림 종료 처리와 네트워크 지연이 포함될 수 있습니다",
   "logs.metric.estimatedCostTitle": "API 정가 환산치이며 실제 청구액이 아닙니다. 가격 미매칭은 표시하지 않습니다.",
   "usage.cost.total": "API 정가 환산치 (이 기간)",
   "usage.cost.disclaimer": "결제 영수증이 아닙니다. 구독 사용량 또는 프로바이더 크레딧이 대신 적용될 수 있습니다.",
@@ -824,6 +826,7 @@ export const ko: Record<TKey, string> = {
   "logs.detail.reason.usage_unsupported": "이 프로바이더는 usage 보고를 지원하지 않습니다.",
   "logs.detail.reason.output_missing": "양수 출력 토큰 수가 보고되지 않았습니다.",
   "logs.detail.reason.invalid_duration": "요청 소요 시간이 유효하지 않습니다.",
+  "logs.detail.reason.ttft_missing": "이 요청에는 TTFT가 기록되지 않았습니다.",
   "logs.detail.reason.price_unmatched": "매칭되는 가격을 찾지 못했습니다.",
   "logs.detail.reason.invalid_cache_breakdown": "캐시 토큰 상세가 전체 입력 토큰과 모순됩니다.",
   "logs.detail.reason.invalid_usage": "usage에 유효하지 않은 토큰 값이 있습니다.",

gui/src/i18n/ru.ts

@@ -763,8 +763,10 @@ export const ru: Record<TKey, string> = {
   "logs.col.status": "Статус",
   "logs.col.tokens": "Токены",
   "logs.col.tokPerSec": "tok/s",
+  "logs.col.decodeTokPerSec": "декодирование tok/s",
   "logs.col.estimatedCost": "~$",
   "logs.metric.tokPerSecTitle": "Выходные токены в секунду за полную длительность запроса",
+  "logs.metric.decodeTokPerSecTitle": "Оценка выходных токенов в секунду после TTFT; измеренный интервал всё ещё включает завершение потока и сетевые паузы",
   "logs.metric.estimatedCostTitle": "Эквивалент стоимости по прайс-листу API, а не фактическое списание; если цену не удалось сопоставить, значение недоступно",
   "usage.cost.total": "Эквивалент стоимости по прайс-листу API (за этот период)",
   "usage.cost.disclaimer": "Не является счётом. Расходы могут покрываться подпиской или кредитами провайдера.",
@@ -810,6 +812,7 @@ export const ru: Record<TKey, string> = {
   "logs.detail.reason.usage_unsupported": "Этот провайдер не сообщает данные об использовании.",
   "logs.detail.reason.output_missing": "Положительное число выходных токенов не было сообщено.",
   "logs.detail.reason.invalid_duration": "Длительность запроса некорректна.",
+  "logs.detail.reason.ttft_missing": "Для этого запроса TTFT не был записан.",
   "logs.detail.reason.price_unmatched": "Подходящая цена не найдена.",
   "logs.detail.reason.invalid_cache_breakdown": "Детализация кэш-токенов противоречит общему числу входных токенов.",
   "logs.detail.reason.invalid_usage": "В данных использования есть некорректное значение токенов.",

gui/src/i18n/tr.ts

@@ -782,8 +782,10 @@ export const tr: Record<TKey, string> = {
   "logs.col.status": "Durum",
   "logs.col.tokens": "Jetonlar",
   "logs.col.tokPerSec": "jeton/sn",
+  "logs.col.decodeTokPerSec": "çözümleme jeton/sn",
   "logs.col.estimatedCost": "~$",
   "logs.metric.tokPerSecTitle": "Tam istek süresince saniye başına çıktı jetonu",
+  "logs.metric.decodeTokPerSecTitle": "TTFT sonrasında saniye başına tahmini çıktı jetonu; akış sonlandırma ve ağ beklemeleri hâlâ dahil olabilir",
   "logs.metric.estimatedCostTitle": "Tahmini API liste fiyatı",
   "usage.cost.total": "API liste fiyatı eşdeğeri",
   "usage.cost.disclaimer": "Fatura makbuzu değildir.",
@@ -829,6 +831,7 @@ export const tr: Record<TKey, string> = {
   "logs.detail.reason.usage_unsupported": "Bu sağlayıcı kullanım bildirmeyebilir.",
   "logs.detail.reason.output_missing": "Çıktı jeton sayısı bildirilmedi.",
   "logs.detail.reason.invalid_duration": "İstek süresi geçersiz.",
+  "logs.detail.reason.ttft_missing": "Bu istek için TTFT kaydedilmedi.",
   "logs.detail.reason.price_unmatched": "Eşleşen fiyat bulunamadı.",
   "logs.detail.reason.invalid_cache_breakdown": "Önbellek detayları çakışıyor.",
   "logs.detail.reason.invalid_usage": "Kullanım geçersiz bir jeton değeri içeriyor.",

gui/src/i18n/zh-TW.ts

@@ -612,8 +612,10 @@ export const zhTW: Record<TKey, string> = {
   "logs.col.status": "狀態",
   "logs.col.tokens": "Token 數",
   "logs.col.tokPerSec": "tok/s",
+  "logs.col.decodeTokPerSec": "解碼 tok/s",
   "logs.col.estimatedCost": "~$",
   "logs.metric.tokPerSecTitle": "按完整請求耗時計算的每秒輸出 token",
+  "logs.metric.decodeTokPerSecTitle": "扣除 TTFT 後的估算每秒輸出 token；仍可能包含串流收尾與網路停頓",
   "logs.metric.estimatedCostTitle": "按 API 標價估算，並非實際扣費；價格無法符合時不顯示",
   "usage.cost.total": "API 標價折算（當前範圍）",
   "usage.cost.disclaimer": "這不是帳單或扣費憑證。實際可能計入訂閱用量或消耗服務商額度。",
@@ -643,6 +645,7 @@ export const zhTW: Record<TKey, string> = {
   "logs.detail.reason.usage_unsupported": "該供應商不支援上報 usage。",
   "logs.detail.reason.output_missing": "未上報正數輸出 token。",
   "logs.detail.reason.invalid_duration": "請求耗時無效。",
+  "logs.detail.reason.ttft_missing": "此請求未記錄 TTFT。",
   "logs.detail.reason.price_unmatched": "未找到符合的 jawcode 價格。",
   "logs.detail.reason.invalid_cache_breakdown": "快取 token 明細與輸入 token 總數衝突。",
   "logs.detail.reason.invalid_usage": "Usage 包含無效的 token 值。",

gui/src/i18n/zh.ts

@@ -758,8 +758,10 @@ export const zh: Record<TKey, string> = {
   "logs.col.status": "状态",
   "logs.col.tokens": "Token 数",
   "logs.col.tokPerSec": "tok/s",
+  "logs.col.decodeTokPerSec": "解码 tok/s",
   "logs.col.estimatedCost": "~$",
   "logs.metric.tokPerSecTitle": "按完整请求耗时计算的每秒输出 token",
+  "logs.metric.decodeTokPerSecTitle": "扣除 TTFT 后的估算每秒输出 token；仍可能包含流式收尾和网络停顿",
   "logs.metric.estimatedCostTitle": "按 API 标价估算，并非实际扣费；价格无法匹配时不显示",
   "usage.cost.total": "API 标价折算（当前范围）",
   "usage.cost.disclaimer": "这不是账单或扣费凭证。实际可能计入订阅用量或消耗服务商额度。",
@@ -805,6 +807,7 @@ export const zh: Record<TKey, string> = {
   "logs.detail.reason.usage_unsupported": "该提供方不支持上报 usage。",
   "logs.detail.reason.output_missing": "未上报正数输出 token。",
   "logs.detail.reason.invalid_duration": "请求耗时无效。",
+  "logs.detail.reason.ttft_missing": "该请求未记录 TTFT。",
   "logs.detail.reason.price_unmatched": "未找到匹配的价格。",
   "logs.detail.reason.invalid_cache_breakdown": "缓存 token 明细与输入 token 总数冲突。",
   "logs.detail.reason.invalid_usage": "Usage 包含无效的 token 值。",

gui/src/pages/Logs.tsx

@@ -52,6 +52,7 @@ type LogUsageStatus = "reported" | "unreported" | "unsupported" | "estimated";
 
 type MetricUnavailableReason =
   | "usage_missing" | "usage_unsupported" | "output_missing" | "invalid_duration"
+  | "ttft_missing"
   | "price_unmatched" | "invalid_cache_breakdown"
   | "invalid_usage" | "combo_attempt_unavailable";
 
@@ -92,6 +93,7 @@ type CostResult =
 
 interface LogDisplayMetrics {
   tokPerSecond: TokPerSecondResult;
+  decodeTokPerSecond: TokPerSecondResult;
   cost: CostResult;
 }
 
@@ -272,6 +274,7 @@ const METRIC_REASON_KEYS = {
   usage_unsupported: "logs.detail.reason.usage_unsupported",
   output_missing: "logs.detail.reason.output_missing",
   invalid_duration: "logs.detail.reason.invalid_duration",
+  ttft_missing: "logs.detail.reason.ttft_missing",
   price_unmatched: "logs.detail.reason.price_unmatched",
   invalid_cache_breakdown: "logs.detail.reason.invalid_cache_breakdown",
   invalid_usage: "logs.detail.reason.invalid_usage",
@@ -752,7 +755,14 @@ export default function Logs({ apiBase }: { apiBase: string }) {
              <tr>
                <th>{t("logs.col.time")}</th>
                 <th className="num log-col-tokens">{t("logs.col.tokens")}</th>
-                <th className="num log-col-rate" title={t("logs.metric.tokPerSecTitle")}>{t("logs.col.tokPerSec")}</th>
+                <th className="num log-col-rate">
+                  <span className="logs-stack-end">
+                    <span title={t("logs.metric.tokPerSecTitle")}>{t("logs.col.tokPerSec")}</span>
+                    <span className="muted text-caption leading-tight" title={t("logs.metric.decodeTokPerSecTitle")}>
+                      {t("logs.col.decodeTokPerSec")}
+                    </span>
+                  </span>
+                </th>
                 <th className="num log-col-cost" title={t("logs.metric.estimatedCostTitle")}>{t("logs.col.estimatedCost")}</th>
                <th className="log-col-model">{t("logs.col.model")}</th>
                <th>{t("logs.col.effort")}</th>
@@ -813,7 +823,12 @@ export default function Logs({ apiBase }: { apiBase: string }) {
                     })()}
                   </td>
                   <td className="num mono log-col-rate">
-                    {formatTokPerSecond(log.displayMetrics?.tokPerSecond, localeTag)}
+                    <span className="logs-stack-end">
+                      <span>{formatTokPerSecond(log.displayMetrics?.tokPerSecond, localeTag)}</span>
+                      <span className="muted text-caption leading-tight" title={t("logs.metric.decodeTokPerSecTitle")}>
+                        {formatTokPerSecond(log.displayMetrics?.decodeTokPerSecond, localeTag)}
+                      </span>
+                    </span>
                   </td>
                   <td className="num mono log-col-cost">
                     {formatEstimatedUsd(log.displayMetrics?.cost, t, localeTag)}
@@ -1033,13 +1048,21 @@ function LogDetailDialog({
           <div className="log-detail-grid">
             <span className="muted">{t("logs.col.duration")}</span><span className="mono">{detail.durationMs}ms</span>
             <span className="muted">{t("logs.col.tokPerSec")}</span><span className="mono">{formatTokPerSecond(detail.displayMetrics?.tokPerSecond, localeTag)}</span>
+            <span className="muted" title={t("logs.metric.decodeTokPerSecTitle")}>{t("logs.col.decodeTokPerSec")}</span>
+            <span className="mono">{formatTokPerSecond(detail.displayMetrics?.decodeTokPerSecond, localeTag)}</span>
             {detail.firstOutputMs !== undefined && (
               <><span className="muted">{t("logs.detail.ttft")}</span><span className="mono">{detail.firstOutputMs}ms</span></>
             )}
           </div>
           {detail.displayMetrics?.tokPerSecond.kind === "unavailable" && (
             <p className="log-detail-notes-line muted">{t(metricReasonKey(detail.displayMetrics.tokPerSecond.reason))}</p>
           )}
+          {detail.displayMetrics?.tokPerSecond.kind === "value"
+            && detail.displayMetrics.decodeTokPerSecond?.kind === "unavailable" && (
+            <p className="log-detail-notes-line muted">
+              {t("logs.col.decodeTokPerSec")}: {t(metricReasonKey(detail.displayMetrics.decodeTokPerSecond.reason))}
+            </p>
+          )}
         </section>
 
         <section className="log-detail-section" aria-labelledby="log-detail-cost">
@@ -1088,6 +1111,7 @@ function LogDetailDialog({
                   <th>{t("logs.detail.attempt.target")}</th>
                   <th className="num">{t("logs.col.duration")}</th>
                   <th className="num">{t("logs.col.tokPerSec")}</th>
+                  <th className="num" title={t("logs.metric.decodeTokPerSecTitle")}>{t("logs.col.decodeTokPerSec")}</th>
                   <th className="num">{t("logs.col.estimatedCost")}</th>
                   <th>{t("logs.detail.attempt.reason")}</th>
                 </tr></thead>
@@ -1125,6 +1149,7 @@ function LogDetailDialog({
                       </td>
                       <td className="num mono">{attempt.durationMs}ms</td>
                       <td className="num mono">{formatTokPerSecond(attempt.displayMetrics?.tokPerSecond, localeTag)}</td>
+                      <td className="num mono">{formatTokPerSecond(attempt.displayMetrics?.decodeTokPerSecond, localeTag)}</td>
                       <td className="num mono">{formatEstimatedUsd(attemptCost, t, localeTag)}</td>
                       <td className="log-detail-break">{reason}</td>
                     </tr>