diff --git a/gui/src/combo-public-model.ts b/gui/src/combo-public-model.ts
new file mode 100644
index 000000000..9292cbf71
--- /dev/null
+++ b/gui/src/combo-public-model.ts
@@ -0,0 +1,7 @@
+/** Placeholder shown before the draft id/alias can form a public model id. */
+export const PUBLIC_MODEL_PREVIEW_PLACEHOLDER = "…";
+
+/** True when the preview value is a real public model id clients can request. */
+export function canCopyPublicModelId(model: string): boolean {
+  return model.trim().length > 0 && model !== PUBLIC_MODEL_PREVIEW_PLACEHOLDER;
+}
diff --git a/gui/src/components/combo-workspace-add-modal.tsx b/gui/src/components/combo-workspace-add-modal.tsx
index cff828c5c..8dcfb5869 100644
--- a/gui/src/components/combo-workspace-add-modal.tsx
+++ b/gui/src/components/combo-workspace-add-modal.tsx
@@ -6,11 +6,12 @@ import {
   intersectComboEfforts,
   validateComboDraft,
 } from "../combo-workspace-data";
+import { PUBLIC_MODEL_PREVIEW_PLACEHOLDER } from "../combo-public-model";
 import { IconX } from "../icons";
 import { useT } from "../i18n/shared";
 import { Notice } from "../ui";
 import type { ModelOption, ProviderOption } from "./combo-workspace-types";
-import { EffortSelect, StrategySeg, TargetEditor } from "./combo-workspace-controls";
+import { EffortSelect, PublicModelPreview, StrategySeg, TargetEditor } from "./combo-workspace-controls";
 import { clampedNumberInput } from "./combo-workspace-utils";
 
 export function AddComboModal({
@@ -139,11 +140,9 @@ export function AddComboModal({
             <p className="muted" style={{ fontSize: 12, margin: "8px 0 0" }}>
               {t("cws.field.aliasHint")}
             </p>
-            <p className="muted" style={{ fontSize: 12, margin: "8px 0 0" }}>
-              {t("cws.field.idHint", {
-                model: draft.id.trim() ? comboPublicModelId(draft.id, draft.alias) : "…",
-              })}
-            </p>
+            <PublicModelPreview
+              model={draft.id.trim() ? comboPublicModelId(draft.id, draft.alias) : PUBLIC_MODEL_PREVIEW_PLACEHOLDER}
+            />
           </div>
           <div className="cwi-field">
             <span className="field-label">{t("cws.strategy")}</span>
diff --git a/gui/src/components/combo-workspace-controls.tsx b/gui/src/components/combo-workspace-controls.tsx
index 8a7277fd4..c5e619e0e 100644
--- a/gui/src/components/combo-workspace-controls.tsx
+++ b/gui/src/components/combo-workspace-controls.tsx
@@ -1,11 +1,13 @@
 import { useState } from "react";
 import type { ComboEffort, ComboStrategy, ComboTarget } from "../combo-workspace-data";
+import { canCopyPublicModelId } from "../combo-public-model";
 import { COMBO_EFFORTS, newComboTarget } from "../combo-workspace-data";
 import { IconArrowDown, IconArrowUp, IconGrip, IconPlus, IconTrash } from "../icons";
 import { useT } from "../i18n/shared";
 import { formatProviderDisplayName } from "../provider-icons";
 import type { ModelOption, ProviderOption } from "./combo-workspace-types";
 import { clampedNumberInput, enabledProviders, modelsForProvider } from "./combo-workspace-utils";
+import { useCopyFeedback } from "./use-copy-feedback";
 
 export function StrategySeg({
   value,
@@ -262,3 +264,40 @@ export function TargetEditor({
     </div>
   );
 }
+
+/** Effective public model id clients will request — mono value + copy. */
+export function PublicModelPreview({ model }: { model: string }) {
+  const t = useT();
+  const { outcomeFor, copy } = useCopyFeedback<string>();
+  const canCopy = canCopyPublicModelId(model);
+  const outcome = outcomeFor(model);
+  const copyLabel = outcome === "copied"
+    ? t("cws.copiedPublicModel")
+    : outcome === "unavailable"
+      ? t("cws.copyUnavailable")
+      : t("cws.copyPublicModel");
+  // Split around a sentinel so the model token stays mono in any locale word order.
+  const sentinel = "\u0001";
+  const [before, after = ""] = t("cws.field.publicModelPreview", { model: sentinel }).split(sentinel);
+
+  return (
+    <div className="cwi-public-model-preview">
+      <p className="muted cwi-public-model-preview-text">
+        {before}
+        <code className="mono cwi-public-model-preview-value">{model}</code>
+        {after}
+      </p>
+      <button
+        type="button"
+        className="btn btn-ghost btn-sm cwi-public-model-preview-copy"
+        disabled={!canCopy}
+        onClick={() => {
+          if (canCopy) copy(model, model);
+        }}
+        title={copyLabel}
+      >
+        <span aria-live="polite">{copyLabel}</span>
+      </button>
+    </div>
+  );
+}
diff --git a/gui/src/components/combo-workspace-detail-panel.tsx b/gui/src/components/combo-workspace-detail-panel.tsx
index caaa05bed..5a98ab8da 100644
--- a/gui/src/components/combo-workspace-detail-panel.tsx
+++ b/gui/src/components/combo-workspace-detail-panel.tsx
@@ -7,12 +7,14 @@ import {
   intersectComboEfforts,
   validateComboDraft,
 } from "../combo-workspace-data";
+import { PUBLIC_MODEL_PREVIEW_PLACEHOLDER } from "../combo-public-model";
 import { IconChevron, IconTrash } from "../icons";
 import { useT } from "../i18n/shared";
 import { Notice } from "../ui";
 import type { ModelOption, ProviderOption } from "./combo-workspace-types";
-import { EffortSelect, StrategySeg, TargetEditor } from "./combo-workspace-controls";
+import { EffortSelect, PublicModelPreview, StrategySeg, TargetEditor } from "./combo-workspace-controls";
 import { clampedNumberInput } from "./combo-workspace-utils";
+import { useCopyFeedback } from "./use-copy-feedback";
 
 type DetailTab = "config" | "about";
 
@@ -46,11 +48,11 @@ export function DetailPanel({
   onDirtyChange: (dirty: boolean) => void;
 }) {
   const t = useT();
+  const { outcomeFor, copy } = useCopyFeedback<string>();
   const [tab, setTab] = useState<DetailTab>("config");
   const [draft, setDraft] = useState<ComboItem>(baseline);
   const [busy, setBusy] = useState(false);
   const [msg, setMsg] = useState<{ ok: boolean; text: string } | null>(null);
-  const [copied, setCopied] = useState(false);
   const dirty = !draftEquals(draft, baseline);
   const baselineSyncKey = `${baseline.id}:${baseline.alias ?? ""}:${baseline.strategy}:${baseline.stickyLimit}:${baseline.defaultEffort}:${baseline.targets.map((t) => `${t.provider}/${t.model}:${t.weight ?? 1}`).join(",")}`;
   const effortMap = useMemo(() => {
@@ -82,15 +84,6 @@ export function DetailPanel({
     // eslint-disable-next-line react-hooks/exhaustive-deps -- intentional: key captures baseline payload
   }, [baselineSyncKey]);
 
-  const copyModel = async () => {
-    try {
-      await navigator.clipboard.writeText(baseline.model);
-      setCopied(true);
-      window.setTimeout(() => setCopied(false), 1200);
-    } catch {
-      /* ignore */
-    }
-  };
 
   const save = async () => {
     const code = validateComboDraft(draft, {
@@ -132,6 +125,14 @@ export function DetailPanel({
   const headerModel = isCreate
     ? (draft.id.trim() ? comboPublicModelId(draft.id, draft.alias) : t("cws.addTitle"))
     : baseline.model;
+  // Public model id clients request — same string PublicModelPreview copies.
+  const copyModelId = baseline.model;
+  const copyOutcome = outcomeFor(copyModelId);
+  const copyLabel = copyOutcome === "copied"
+    ? t("cws.copied")
+    : copyOutcome === "unavailable"
+      ? t("cws.copyUnavailable")
+      : t("cws.copyModel");
 
   return (
     <div className="combos-workspace-detail">
@@ -144,8 +145,13 @@ export function DetailPanel({
         )}
         <h2 className="combos-workspace-detail-title">{headerModel}</h2>
         {!isCreate && (
-          <button type="button" className="chip cwi-copy-chip" onClick={() => { void copyModel(); }} title={t("cws.copyModel")}>
-            {copied ? t("cws.copied") : t("cws.copyModel")}
+          <button
+            type="button"
+            className="chip cwi-copy-chip"
+            onClick={() => copy(copyModelId, copyModelId)}
+            title={copyLabel}
+          >
+            <span aria-live="polite">{copyLabel}</span>
           </button>
         )}
         <div className="combos-workspace-detail-actions">
@@ -188,9 +194,7 @@ export function DetailPanel({
                 }))}
               />
               <p className="muted" style={{ fontSize: 12, margin: "8px 0 0" }}>
-                {isCreate
-                  ? t("cws.field.idInternalHint")
-                  : t("cws.field.idHintEdit", { model: comboPublicModelId(draft.id, draft.alias) })}
+                {isCreate ? t("cws.field.idInternalHint") : t("cws.field.idHintEdit")}
               </p>
             </div>
             <div className="cwi-field">
@@ -210,6 +214,9 @@ export function DetailPanel({
               <p className="muted" style={{ fontSize: 12, margin: "8px 0 0" }}>
                 {t("cws.field.aliasHint")}
               </p>
+              <PublicModelPreview
+                model={draft.id.trim() ? comboPublicModelId(draft.id, draft.alias) : PUBLIC_MODEL_PREVIEW_PLACEHOLDER}
+              />
             </div>
             <div className="cwi-field">
               <span className="field-label">{t("cws.strategy")}</span>
diff --git a/gui/src/i18n/de.ts b/gui/src/i18n/de.ts
index 7703f6c09..678f850cd 100644
--- a/gui/src/i18n/de.ts
+++ b/gui/src/i18n/de.ts
@@ -1715,6 +1715,9 @@ export const de: Record<TKey, string> = {
   "cws.allCombos": "Alle Combos",
   "cws.copyModel": "ID kopieren",
   "cws.copied": "Kopiert",
+  "cws.copiedPublicModel": "Kopiert",
+  "cws.copyPublicModel": "Kopieren",
+  "cws.copyUnavailable": "Zwischenablage nicht verfügbar",
   "cws.tab.config": "Konfiguration",
   "cws.tab.about": "Info",
   "cws.strategy": "Strategie",
@@ -1723,12 +1726,13 @@ export const de: Record<TKey, string> = {
   "cws.strategy.failoverHint": "Ziele der Reihe nach versuchen. Bei einem wiederholbaren Fehler (Limit, Ausfall, Abo-Sperre) zum nächsten springen.",
   "cws.strategy.roundRobinHint": "Datenverkehr deterministisch nach Gewicht verteilen. Das gewählte Ziel für einen Block erfolgreicher Anfragen behalten und dann weiterschalten.",
   "cws.field.id": "Combo-ID",
-  "cws.field.idHintEdit": "Das Ändern der ID benennt die Combo um. Clients fordern {model} an.",
+  "cws.field.idHintEdit": "Das Ändern der ID benennt die Combo um. Ohne öffentlichen Modellnamen fordern Clients combo/<id> an.",
   "cws.field.alias": "Öffentlicher Modellname",
   "cws.field.aliasPlaceholder": "deepseek-v4-flash oder vendor/model",
-  "cws.field.aliasHint": "Optional. Verwenden Sie einen Namen ohne Präfix, ein eigenes Präfix wie vendor/model oder lassen Sie das Feld leer für combo/<id>.",
-  "cws.field.idHint": "Clients fordern {model} an",
-  "cws.field.idInternalHint": "Interne Combo-ID. Sie kann nach dem Erstellen geändert werden.",
+  "cws.field.aliasHint": "Optional. Überschreibt den Namen, den Clients anfordern. Name ohne Präfix, eigenes Präfix wie vendor/model, oder leer lassen für combo/<id>.",
+  "cws.field.publicModelPreview": "Clients fordern an: {model}",
+  "cws.field.idHint": "Clients fordern an: {model}",
+  "cws.field.idInternalHint": "Interne Combo-ID. Ohne öffentlichen Modellnamen fordern Clients combo/<id> an.",
   "cws.field.stickyLimit": "Sticky-Erfolge vor Rotation",
   "cws.field.stickyLimitHint": "Das gewählte Ziel für so viele erfolgreiche Anfragen behalten, bevor die gewichtete Auswahl weiterschaltet.",
   "cws.field.defaultEffort": "Standard-Reasoning",
diff --git a/gui/src/i18n/en.ts b/gui/src/i18n/en.ts
index 9ae886124..66008e305 100644
--- a/gui/src/i18n/en.ts
+++ b/gui/src/i18n/en.ts
@@ -1749,6 +1749,9 @@ export const en = {
   "cws.allCombos": "All combos",
   "cws.copyModel": "Copy id",
   "cws.copied": "Copied",
+  "cws.copiedPublicModel": "Copied",
+  "cws.copyPublicModel": "Copy",
+  "cws.copyUnavailable": "Clipboard unavailable",
   "cws.tab.config": "Config",
   "cws.tab.about": "About",
   "cws.strategy": "Strategy",
@@ -1757,12 +1760,13 @@ export const en = {
   "cws.strategy.failoverHint": "Try targets in order. If the first fails with a retryable error (rate limit, outage, subscription gate), hop to the next.",
   "cws.strategy.roundRobinHint": "Deterministically balance traffic by weight. Keep each selected target for a batch of successful requests, then advance.",
   "cws.field.id": "Combo id",
-  "cws.field.idHint": "Clients will request {model}",
-  "cws.field.idInternalHint": "Internal combo id. You can change it after creation.",
-  "cws.field.idHintEdit": "Renaming moves the combo to a new id. Clients request {model}.",
+  "cws.field.idHint": "Clients request: {model}",
+  "cws.field.idInternalHint": "Internal id for this combo. When no public model name is set, clients use combo/<id>.",
+  "cws.field.idHintEdit": "Changing the id renames the combo. When no public model name is set, clients use combo/<id>.",
   "cws.field.alias": "Public model name",
   "cws.field.aliasPlaceholder": "deepseek-v4-flash or vendor/model",
-  "cws.field.aliasHint": "Optional. Use a bare name with no prefix, a custom prefix like vendor/model, or leave blank to use combo/<id>.",
+  "cws.field.aliasHint": "Optional override for the name clients request. Use a bare name, a custom prefix like vendor/model, or leave blank for combo/<id>.",
+  "cws.field.publicModelPreview": "Clients request: {model}",
   "cws.field.stickyLimit": "Sticky successes before rotate",
   "cws.field.stickyLimitHint": "Retain the selected target for this many successful requests before the weighted selector advances.",
   "cws.field.defaultEffort": "Default reasoning",
diff --git a/gui/src/i18n/ja.ts b/gui/src/i18n/ja.ts
index d5f7a915b..4553e2b8d 100644
--- a/gui/src/i18n/ja.ts
+++ b/gui/src/i18n/ja.ts
@@ -1782,6 +1782,9 @@ export const ja: Record<TKey, string> = {
   "cws.allCombos": "すべてのコンボ",
   "cws.copyModel": "ID をコピー",
   "cws.copied": "コピーしました",
+  "cws.copiedPublicModel": "コピーしました",
+  "cws.copyPublicModel": "コピー",
+  "cws.copyUnavailable": "クリップボードを利用できません",
   "cws.renamed": "{from} を {to} に変更しました。",
   "cws.tab.config": "設定",
   "cws.tab.about": "概要",
@@ -1791,12 +1794,13 @@ export const ja: Record<TKey, string> = {
   "cws.strategy.failoverHint": "ターゲットを順に試します。最初が再試行可能なエラー(レート制限、障害、サブスクリプションゲート)で失敗した場合、次へホップします。",
   "cws.strategy.roundRobinHint": "重みで決定論的にトラフィックを分散します。選んだターゲットを成功リクエストのバッチ分保持し、次へ進みます。",
   "cws.field.id": "コンボ ID",
-  "cws.field.idHint": "クライアントは {model} をリクエストします",
-  "cws.field.idInternalHint": "コンボの内部 ID。作成後も変更できます。",
-  "cws.field.idHintEdit": "ID を変更するとコンボの名前が変更されます。クライアントは {model} をリクエストします。",
+  "cws.field.idHint": "クライアントのリクエスト: {model}",
+  "cws.field.idInternalHint": "コンボの内部 ID。公開モデル名を設定しない場合、クライアントは combo/<id> を使用します。",
+  "cws.field.idHintEdit": "ID を変更するとコンボの名前が変更されます。公開モデル名を設定しない場合、クライアントは combo/<id> を使用します。",
   "cws.field.alias": "公開モデル名",
   "cws.field.aliasPlaceholder": "deepseek-v4-flash または vendor/model",
-  "cws.field.aliasHint": "任意。プレフィックスなしの名前、vendor/model のようなカスタムプレフィックスを指定するか、空欄のままにすると combo/<id> を使用します。",
+  "cws.field.aliasHint": "任意。クライアントがリクエストする名前の上書き。プレフィックスなしの名前、vendor/model のようなカスタムプレフィックス、または空欄で combo/<id>。",
+  "cws.field.publicModelPreview": "クライアントのリクエスト: {model}",
   "cws.field.stickyLimit": "ローテーション前の固定成功数",
   "cws.field.stickyLimitHint": "重み付きセレクタが進む前に、選んだターゲットをこの回数の成功リクエスト分保持します。",
   "cws.field.defaultEffort": "デフォルトの推論",
diff --git a/gui/src/i18n/ko.ts b/gui/src/i18n/ko.ts
index e0ee1af6a..79196169f 100644
--- a/gui/src/i18n/ko.ts
+++ b/gui/src/i18n/ko.ts
@@ -1742,6 +1742,9 @@ export const ko: Record<TKey, string> = {
   "cws.allCombos": "모든 콤보",
   "cws.copyModel": "ID 복사",
   "cws.copied": "복사됨",
+  "cws.copiedPublicModel": "복사됨",
+  "cws.copyPublicModel": "복사",
+  "cws.copyUnavailable": "클립보드를 사용할 수 없음",
   "cws.tab.config": "설정",
   "cws.tab.about": "정보",
   "cws.strategy": "전략",
@@ -1750,12 +1753,13 @@ export const ko: Record<TKey, string> = {
   "cws.strategy.failoverHint": "대상을 순서대로 시도합니다. 재시도 가능한 오류(한도, 장애, 구독 게이트)면 다음으로 넘어갑니다.",
   "cws.strategy.roundRobinHint": "가중치에 따라 트래픽을 결정적으로 분배합니다. 선택된 대상을 성공 요청 묶음 동안 유지한 뒤 다음 대상으로 진행합니다.",
   "cws.field.id": "콤보 ID",
-  "cws.field.idHintEdit": "ID를 변경하면 콤보 이름이 바뀝니다. 클라이언트는 {model}을(를) 요청합니다.",
+  "cws.field.idHintEdit": "ID를 변경하면 콤보 이름이 바뀝니다. 공개 모델 이름을 설정하지 않으면 클라이언트는 combo/<id>를 사용합니다.",
   "cws.field.alias": "공개 모델 이름",
   "cws.field.aliasPlaceholder": "deepseek-v4-flash 또는 vendor/model",
-  "cws.field.aliasHint": "선택 사항입니다. 접두사 없는 이름, vendor/model 같은 사용자 지정 접두사를 사용하거나 비워 두어 combo/<id>를 사용할 수 있습니다.",
-  "cws.field.idHint": "클라이언트는 {model}을(를) 요청합니다",
-  "cws.field.idInternalHint": "내부 콤보 ID입니다. 생성 후에도 변경할 수 있습니다.",
+  "cws.field.aliasHint": "선택 사항입니다. 클라이언트가 요청하는 이름을 재정의합니다. 접두사 없는 이름, vendor/model 같은 사용자 지정 접두사, 또는 비워 두면 combo/<id>.",
+  "cws.field.publicModelPreview": "클라이언트 요청: {model}",
+  "cws.field.idHint": "클라이언트 요청: {model}",
+  "cws.field.idInternalHint": "내부 콤보 ID입니다. 공개 모델 이름을 설정하지 않으면 클라이언트는 combo/<id>를 사용합니다.",
   "cws.field.stickyLimit": "회전 전 sticky 성공 횟수",
   "cws.field.stickyLimitHint": "가중 선택기가 다음 대상으로 진행하기 전에 선택된 대상을 이 성공 요청 횟수만큼 유지합니다.",
   "cws.field.defaultEffort": "기본 추론 수준",
diff --git a/gui/src/i18n/ru.ts b/gui/src/i18n/ru.ts
index f707bb5f5..4d8e45b05 100644
--- a/gui/src/i18n/ru.ts
+++ b/gui/src/i18n/ru.ts
@@ -1825,6 +1825,9 @@ export const ru: Record<TKey, string> = {
   "cws.allCombos": "Все комбо",
   "cws.copyModel": "Копировать id",
   "cws.copied": "Скопировано",
+  "cws.copiedPublicModel": "Скопировано",
+  "cws.copyPublicModel": "Копировать",
+  "cws.copyUnavailable": "Буфер обмена недоступен",
   "cws.tab.config": "Конфигурация",
   "cws.tab.about": "О комбо",
   "cws.strategy": "Стратегия",
@@ -1833,12 +1836,13 @@ export const ru: Record<TKey, string> = {
   "cws.strategy.failoverHint": "Цели перебираются по порядку. Если первая завершается ошибкой, допускающей повтор (лимит запросов, сбой, ограничение подписки), происходит переключение на следующую.",
   "cws.strategy.roundRobinHint": "Детерминированное распределение трафика по весам. Выбранная цель удерживается на серию успешных запросов, затем селектор переходит к следующей.",
   "cws.field.id": "Id комбо",
-  "cws.field.idHint": "Клиенты будут запрашивать {model}",
-  "cws.field.idInternalHint": "Внутренний id комбо. Его можно изменить после создания.",
-  "cws.field.idHintEdit": "При переименовании комбо будет перенесено на новый id. Клиенты запрашивают {model}.",
+  "cws.field.idHint": "Клиенты запрашивают: {model}",
+  "cws.field.idInternalHint": "Внутренний id комбо. Без публичного имени модели клиенты используют combo/<id>.",
+  "cws.field.idHintEdit": "При изменении id комбо будет переименовано. Без публичного имени модели клиенты используют combo/<id>.",
   "cws.field.alias": "Публичное имя модели",
   "cws.field.aliasPlaceholder": "deepseek-v4-flash или vendor/model",
-  "cws.field.aliasHint": "Необязательно. Используйте имя без префикса, собственный префикс вроде vendor/model или оставьте поле пустым для combo/<id>.",
+  "cws.field.aliasHint": "Необязательно. Переопределяет имя, которое запрашивают клиенты. Имя без префикса, свой префикс вроде vendor/model или пустое поле для combo/<id>.",
+  "cws.field.publicModelPreview": "Клиенты запрашивают: {model}",
   "cws.field.stickyLimit": "Успешных запросов до ротации",
   "cws.field.stickyLimitHint": "Выбранная цель удерживается на указанное число успешных запросов, прежде чем взвешенный селектор перейдёт к следующей.",
   "cws.field.defaultEffort": "Рассуждения по умолчанию",
diff --git a/gui/src/i18n/zh.ts b/gui/src/i18n/zh.ts
index 14113c611..c7ea05d2c 100644
--- a/gui/src/i18n/zh.ts
+++ b/gui/src/i18n/zh.ts
@@ -1735,6 +1735,9 @@ export const zh: Record<TKey, string> = {
   "cws.allCombos": "全部组合",
   "cws.copyModel": "复制 ID",
   "cws.copied": "已复制",
+  "cws.copiedPublicModel": "已复制",
+  "cws.copyPublicModel": "复制",
+  "cws.copyUnavailable": "剪贴板不可用",
   "cws.tab.config": "配置",
   "cws.tab.about": "关于",
   "cws.strategy": "策略",
@@ -1743,12 +1746,13 @@ export const zh: Record<TKey, string> = {
   "cws.strategy.failoverHint": "按顺序尝试目标。若出现可重试错误（限流、故障、订阅门控），则跳到下一个。",
   "cws.strategy.roundRobinHint": "按权重确定性地分配流量。将所选目标保留一批成功请求后，再推进到下一个目标。",
   "cws.field.id": "组合 ID",
-  "cws.field.idHint": "客户端将请求 {model}",
-  "cws.field.idInternalHint": "组合的内部 ID，创建后仍可修改。",
-  "cws.field.idHintEdit": "修改 ID 即重命名组合。客户端将请求 {model}。",
+  "cws.field.idHint": "客户端请求：{model}",
+  "cws.field.idInternalHint": "组合的内部 ID。未设置公开模型名时，客户端使用 combo/<id>。",
+  "cws.field.idHintEdit": "修改 ID 即重命名组合。未设置公开模型名时，客户端使用 combo/<id>。",
   "cws.field.alias": "公开模型名称",
   "cws.field.aliasPlaceholder": "deepseek-v4-flash 或 vendor/model",
-  "cws.field.aliasHint": "可选。可填无前缀裸名称、自定义前缀（如 vendor/model），或留空使用 combo/<id>。",
+  "cws.field.aliasHint": "可选。覆盖客户端请求的模型名；可填裸名称、自定义前缀（如 vendor/model），或留空使用 combo/<id>。",
+  "cws.field.publicModelPreview": "客户端请求：{model}",
   "cws.field.stickyLimit": "轮换前的粘性成功次数",
   "cws.field.stickyLimitHint": "加权选择器推进前，将所选目标保留这么多次成功请求。",
   "cws.field.defaultEffort": "默认推理级别",
diff --git a/gui/src/styles-combos-workspace.css b/gui/src/styles-combos-workspace.css
index f73aa3b8a..11bfb1278 100644
--- a/gui/src/styles-combos-workspace.css
+++ b/gui/src/styles-combos-workspace.css
@@ -318,6 +318,34 @@
   overflow-wrap: anywhere;
 }
 
+/* Effective public model clients request — mono id + copy under id/alias fields. */
+.cwi-public-model-preview {
+  display: flex;
+  align-items: center;
+  gap: 8px;
+  flex-wrap: wrap;
+  margin-top: 8px;
+}
+
+.cwi-public-model-preview-text {
+  margin: 0;
+  font-size: 12px;
+  max-width: var(--prose-measure);
+  overflow-wrap: anywhere;
+}
+
+.cwi-public-model-preview-value {
+  font-size: inherit;
+  padding: 1px 5px;
+  border-radius: var(--radius);
+  background: var(--surface-soft, var(--raised));
+}
+
+.cwi-public-model-preview-copy {
+  flex-shrink: 0;
+}
+
+
 .cwi-target-list {
   display: flex;
   flex-direction: column;
diff --git a/tests/combo-public-model-preview.test.ts b/tests/combo-public-model-preview.test.ts
new file mode 100644
index 000000000..6dd0b6892
--- /dev/null
+++ b/tests/combo-public-model-preview.test.ts
@@ -0,0 +1,18 @@
+import { describe, expect, test } from "bun:test";
+import {
+  PUBLIC_MODEL_PREVIEW_PLACEHOLDER,
+  canCopyPublicModelId,
+} from "../gui/src/combo-public-model";
+
+describe("public model preview copy guard", () => {
+  test("rejects empty and the draft placeholder", () => {
+    expect(canCopyPublicModelId("")).toBe(false);
+    expect(canCopyPublicModelId("   ")).toBe(false);
+    expect(canCopyPublicModelId(PUBLIC_MODEL_PREVIEW_PLACEHOLDER)).toBe(false);
+  });
+
+  test("allows real client-facing model ids", () => {
+    expect(canCopyPublicModelId("combo/main")).toBe(true);
+    expect(canCopyPublicModelId("team/balanced")).toBe(true);
+  });
+});