diff --git a/webui/src/components/settings/SettingsView.tsx b/webui/src/components/settings/SettingsView.tsx
index c95cc9b2d..237e310b9 100644
--- a/webui/src/components/settings/SettingsView.tsx
+++ b/webui/src/components/settings/SettingsView.tsx
@@ -3375,9 +3375,10 @@ function ModelsSettings({
   );
   const callOrderBusy = orderSaving || saving;
   const selectPreset = (preset: SettingsPayload["model_presets"][number]) => {
+    const toggleCurrentPreset = !creating && selectedPreset?.name === preset.name;
     onSelectConfiguration();
-    if (!creating && selectedPreset?.name === preset.name) {
-      setEditorOpen(true);
+    if (toggleCurrentPreset) {
+      setEditorOpen((open) => !open);
       return;
     }
     setForm((prev) => ({
@@ -3393,11 +3394,6 @@ function ModelsSettings({
     }));
     setEditorOpen(true);
   };
-  const closeEditor = () => {
-    if (creatingSaving) return;
-    if (creating) onCancelCreate();
-    setEditorOpen(false);
-  };
 
   const moveCallOrderItem = (index: number, offset: -1 | 1) => {
     if (callOrderBusy) return;
@@ -3436,6 +3432,177 @@ function ModelsSettings({
     onChangeCallOrder(next);
   };
 
+  const renderPresetEditor = (key: string) => (
+    <div
+      key={key}
+      id="model-preset-editor"
+      data-testid="model-preset-editor"
+      className="divide-y divide-border/45 bg-muted/10 motion-reduce:animate-none animate-in fade-in-0 slide-in-from-top-1 duration-200"
+    >
+      {creating ? (
+        <div className="flex min-h-[52px] items-center px-4 py-3 sm:px-5">
+          <span className="text-[13px] font-semibold text-foreground/85">
+            {tx("settings.models.newPreset", "New model preset")}
+          </span>
+        </div>
+      ) : null}
+      <SettingsRow title={tx("settings.models.presetName", "Preset name")}>
+        <Input
+          autoFocus={creating}
+          value={form.presetLabel}
+          placeholder={tx("settings.models.presetNamePlaceholder", "Fast writing")}
+          onChange={(event) =>
+            setForm((prev) => ({ ...prev, presetLabel: event.target.value }))
+          }
+          className="h-8 w-[min(280px,70vw)] rounded-full text-[13px]"
+        />
+      </SettingsRow>
+      <SettingsRow title={t("settings.rows.provider")}>
+        <ProviderPicker
+          providers={providerOptions}
+          value={providerValue}
+          emptyLabel={t("settings.byok.noConfiguredProviders")}
+          showProviderLogos={showBrandLogos}
+          onChange={(provider) =>
+            setForm((prev) => ({
+              ...prev,
+              provider,
+              model: provider === prev.provider ? prev.model : "",
+            }))
+          }
+        />
+      </SettingsRow>
+      {selectedProviderNeedsSignIn ? (
+        <SettingsRow
+          title={tx("settings.oauth.signInRequired", "Sign in required")}
+          description={tx(
+            "settings.oauth.signInBeforeSaving",
+            "Sign in before saving this provider in the preset.",
+          )}
+        >
+          <Button
+            size="sm"
+            variant="outline"
+            onClick={() => selectedProvider && onProviderOAuthLogin(selectedProvider.name)}
+            disabled={!selectedProvider?.oauth_login_supported || selectedProviderSigningIn}
+            className="rounded-full"
+          >
+            {selectedProviderSigningIn ? (
+              <Loader2 className="mr-1.5 h-3.5 w-3.5 animate-spin" aria-hidden />
+            ) : null}
+            {selectedProviderSigningIn
+              ? tx("settings.oauth.signingIn", "Signing in...")
+              : tx("settings.oauth.signIn", "Sign in")}
+          </Button>
+        </SettingsRow>
+      ) : null}
+      <SettingsRow title={t("settings.rows.model")}>
+        <ModelIdPicker
+          token={token}
+          settings={settings}
+          provider={form.provider}
+          value={form.model}
+          showProviderLogos={showBrandLogos}
+          onChange={(model) => setForm((prev) => ({ ...prev, model }))}
+        />
+      </SettingsRow>
+      <button
+        type="button"
+        aria-expanded={advancedOpen}
+        onClick={() => setAdvancedOpen((value) => !value)}
+        className="flex min-h-[62px] w-full items-center justify-between gap-4 px-4 py-3.5 text-left transition-colors hover:bg-muted/30 sm:px-5"
+      >
+        <span>
+          <span className="block text-[14px] font-medium text-foreground">
+            {tx("settings.models.advancedOptions", "Advanced options")}
+          </span>
+          <span className="mt-0.5 block text-[12px] text-muted-foreground">
+            {tx(
+              "settings.models.advancedSummary",
+              "Context {{context}} · Max {{max}} tokens",
+              {
+                context: formatModelContextWindow(form.contextWindowTokens),
+                max: formatContextWindow(form.maxTokens),
+              },
+            )}
+          </span>
+        </span>
+        <ChevronDown
+          className={cn(
+            "h-4 w-4 shrink-0 text-muted-foreground transition-transform",
+            advancedOpen && "rotate-180",
+          )}
+          aria-hidden
+        />
+      </button>
+      {advancedOpen ? (
+        <div className="bg-muted/12 px-4 py-4 sm:px-5">
+          <ModelAdvancedFields
+            maxTokens={form.maxTokens}
+            contextWindowTokens={form.contextWindowTokens}
+            temperature={form.temperature}
+            reasoningEffort={form.reasoningEffort}
+            onChange={(value) => setForm((prev) => ({ ...prev, ...value }))}
+          />
+        </div>
+      ) : null}
+      <div className="flex min-h-[58px] flex-col gap-3 px-4 py-3 sm:flex-row sm:items-center sm:justify-between sm:px-5">
+        {creating ? (
+          <Button
+            size="sm"
+            variant="ghost"
+            className="self-start rounded-full text-muted-foreground"
+            disabled={creatingSaving}
+            onClick={() => {
+              setEditorOpen(false);
+              onCancelCreate();
+            }}
+          >
+            {tx("settings.actions.cancel", "Cancel")}
+          </Button>
+        ) : selectedPreset ? (
+          <Button
+            size="sm"
+            variant="ghost"
+            className="self-start rounded-full text-muted-foreground hover:text-destructive"
+            disabled={selectedPresetReferenced || saving || orderSaving}
+            title={
+              selectedPresetReferenced
+                ? tx(
+                    "settings.models.removeBeforeDelete",
+                    "Remove this preset from the call order before deleting it.",
+                  )
+                : undefined
+            }
+            onClick={() => onDeleteConfiguration(selectedPreset)}
+          >
+            <Trash2 className="mr-1.5 h-3.5 w-3.5" aria-hidden />
+            {tx("settings.actions.delete", "Delete")}
+          </Button>
+        ) : null}
+        <div className="flex items-center justify-end gap-3">
+          <Button
+            size="sm"
+            variant="outline"
+            className="rounded-full"
+            disabled={
+              (!creating && !dirty) ||
+              !selectedProviderConfigured ||
+              modelFieldsMissing ||
+              saving ||
+              orderSaving
+            }
+            onClick={onSave}
+          >
+            {saving || creatingSaving
+              ? tx("settings.actions.saving", "Saving...")
+              : tx("settings.actions.savePreset", "Save preset")}
+          </Button>
+        </div>
+      </div>
+    </div>
+  );
+
   return (
     <div className="space-y-7">
       <section>
@@ -3477,13 +3644,7 @@ function ModelsSettings({
               </Button>
             </div>
           ) : (
-            <div className="xl:grid xl:grid-cols-[minmax(0,5fr)_minmax(0,6fr)] xl:divide-x xl:divide-border/45">
-              <div
-                className={cn(
-                  "min-w-0 divide-y divide-border/45",
-                  editorOpen && "hidden xl:block",
-                )}
-              >
+            <>
               <div role="list" className="divide-y divide-border/45">
                 {presetRows.map(({ key, name, orderIndex, preset }) => {
                   const ordered = orderIndex >= 0;
@@ -3507,7 +3668,7 @@ function ModelsSettings({
                     draggedCallOrderIndex < orderIndex;
                   const isSelected =
                     editorOpen && !creating && selectedPreset?.name === name;
-                  return (
+                  return [
                     <div
                       key={key}
                       role="listitem"
@@ -3593,8 +3754,9 @@ function ModelsSettings({
                       )}
                       <button
                         type="button"
-                        aria-pressed={isSelected}
-                        aria-controls="model-preset-detail"
+                        aria-pressed={selectedPreset?.name === name}
+                        aria-expanded={isSelected}
+                        aria-controls={isSelected ? "model-preset-editor" : undefined}
                         disabled={!preset}
                         onClick={() => preset && selectPreset(preset)}
                         className="flex min-w-0 flex-1 items-center gap-3 rounded-[12px] text-left outline-none focus-visible:ring-2 focus-visible:ring-ring"
@@ -3640,8 +3802,8 @@ function ModelsSettings({
                         </span>
                         <ChevronRight
                           className={cn(
-                            "h-4 w-4 shrink-0 text-muted-foreground transition-[color,transform] group-hover:translate-x-0.5",
-                            isSelected && "text-foreground",
+                            "h-4 w-4 shrink-0 text-muted-foreground transition-transform",
+                            isSelected && "rotate-90",
                           )}
                           aria-hidden
                         />
@@ -3676,8 +3838,9 @@ function ModelsSettings({
                           aria-hidden
                         />
                       </button>
-                    </div>
-                  );
+                    </div>,
+                    isSelected ? renderPresetEditor(`editor:${key}`) : null,
+                  ];
                 })}
               </div>
               <div className="flex min-h-[58px] flex-col gap-3 px-4 py-3 sm:flex-row sm:items-center sm:justify-between sm:px-5">
@@ -3707,217 +3870,8 @@ function ModelsSettings({
                   </SettingsStatusMessage>
                 ) : null}
               </div>
-              </div>
-              <div
-                id="model-preset-detail"
-                className={cn(
-                  "min-w-0 divide-y divide-border/45",
-                  !editorOpen && "hidden xl:block",
-                )}
-              >
-                {editorOpen && (selectedPreset || creating) ? (
-                  <>
-                    <div className="flex min-h-[64px] items-center gap-2 bg-muted/15 px-4 py-3 sm:px-5">
-                      <button
-                        type="button"
-                        onClick={closeEditor}
-                        disabled={creatingSaving}
-                        aria-label={tx(
-                          "settings.models.backToPresets",
-                          "Back to model presets",
-                        )}
-                        className="-ml-2 grid h-8 w-8 shrink-0 place-items-center rounded-full text-muted-foreground transition-colors hover:bg-muted hover:text-foreground disabled:pointer-events-none disabled:opacity-40 xl:hidden"
-                      >
-                        <ChevronLeft className="h-4 w-4" aria-hidden />
-                      </button>
-                      <span className="min-w-0">
-                        <span className="block truncate text-[14px] font-semibold text-foreground/90">
-                          {creating
-                            ? tx("settings.models.newPreset", "New model preset")
-                            : selectedPreset?.label}
-                        </span>
-                        <span className="mt-0.5 block truncate text-[12px] text-muted-foreground">
-                          {creating
-                            ? tx(
-                                "settings.models.newPresetHelp",
-                                "Save a reusable model and its generation settings.",
-                              )
-                            : tx("settings.models.editPreset", "Edit preset")}
-                        </span>
-                      </span>
-                    </div>
-            <SettingsRow title={tx("settings.models.presetName", "Preset name")}>
-              <Input
-                autoFocus={creating}
-                value={form.presetLabel}
-                placeholder={tx("settings.models.presetNamePlaceholder", "Fast writing")}
-                onChange={(event) =>
-                  setForm((prev) => ({ ...prev, presetLabel: event.target.value }))
-                }
-                className="h-8 w-[min(280px,70vw)] rounded-full text-[13px]"
-              />
-            </SettingsRow>
-            <SettingsRow title={t("settings.rows.provider")}>
-              <ProviderPicker
-                providers={providerOptions}
-                value={providerValue}
-                emptyLabel={t("settings.byok.noConfiguredProviders")}
-                showProviderLogos={showBrandLogos}
-                onChange={(provider) =>
-                  setForm((prev) => ({
-                    ...prev,
-                    provider,
-                    model: provider === prev.provider ? prev.model : "",
-                  }))
-                }
-              />
-            </SettingsRow>
-            {selectedProviderNeedsSignIn ? (
-              <SettingsRow
-                title={tx("settings.oauth.signInRequired", "Sign in required")}
-                description={tx(
-                  "settings.oauth.signInBeforeSaving",
-                  "Sign in before saving this provider in the preset.",
-                )}
-              >
-                <Button
-                  size="sm"
-                  variant="outline"
-                  onClick={() => selectedProvider && onProviderOAuthLogin(selectedProvider.name)}
-                  disabled={!selectedProvider?.oauth_login_supported || selectedProviderSigningIn}
-                  className="rounded-full"
-                >
-                  {selectedProviderSigningIn ? (
-                    <Loader2 className="mr-1.5 h-3.5 w-3.5 animate-spin" aria-hidden />
-                  ) : null}
-                  {selectedProviderSigningIn
-                    ? tx("settings.oauth.signingIn", "Signing in...")
-                    : tx("settings.oauth.signIn", "Sign in")}
-                </Button>
-              </SettingsRow>
-            ) : null}
-            <SettingsRow title={t("settings.rows.model")}>
-              <ModelIdPicker
-                token={token}
-                settings={settings}
-                provider={form.provider}
-                value={form.model}
-                showProviderLogos={showBrandLogos}
-                onChange={(model) => setForm((prev) => ({ ...prev, model }))}
-              />
-            </SettingsRow>
-            <button
-              type="button"
-              aria-expanded={advancedOpen}
-              onClick={() => setAdvancedOpen((value) => !value)}
-              className="flex min-h-[62px] w-full items-center justify-between gap-4 px-4 py-3.5 text-left transition-colors hover:bg-muted/30 sm:px-5"
-            >
-              <span>
-                <span className="block text-[14px] font-medium text-foreground">
-                  {tx("settings.models.advancedOptions", "Advanced options")}
-                </span>
-                <span className="mt-0.5 block text-[12px] text-muted-foreground">
-                  {tx(
-                    "settings.models.advancedSummary",
-                    "Context {{context}} · Max {{max}} tokens",
-                    {
-                      context: formatModelContextWindow(form.contextWindowTokens),
-                      max: formatContextWindow(form.maxTokens),
-                    },
-                  )}
-                </span>
-              </span>
-              <ChevronDown
-                className={cn(
-                  "h-4 w-4 shrink-0 text-muted-foreground transition-transform",
-                  advancedOpen && "rotate-180",
-                )}
-                aria-hidden
-              />
-            </button>
-            {advancedOpen ? (
-              <div className="bg-muted/12 px-4 py-4 sm:px-5">
-                <ModelAdvancedFields
-                  maxTokens={form.maxTokens}
-                  contextWindowTokens={form.contextWindowTokens}
-                  temperature={form.temperature}
-                  reasoningEffort={form.reasoningEffort}
-                  onChange={(value) => setForm((prev) => ({ ...prev, ...value }))}
-                />
-              </div>
-            ) : null}
-            <div className="flex min-h-[58px] flex-col gap-3 px-4 py-3 sm:flex-row sm:items-center sm:justify-between sm:px-5">
-              {creating ? (
-                <Button
-                  size="sm"
-                  variant="ghost"
-                  className="self-start rounded-full text-muted-foreground"
-                  disabled={creatingSaving}
-                  onClick={closeEditor}
-                >
-                  {tx("settings.actions.cancel", "Cancel")}
-                </Button>
-              ) : selectedPreset ? (
-                <Button
-                  size="sm"
-                  variant="ghost"
-                  className="self-start rounded-full text-muted-foreground hover:text-destructive"
-                  disabled={selectedPresetReferenced || saving || orderSaving}
-                  title={
-                    selectedPresetReferenced
-                      ? tx(
-                          "settings.models.removeBeforeDelete",
-                          "Remove this preset from the call order before deleting it.",
-                        )
-                      : undefined
-                  }
-                  onClick={() => onDeleteConfiguration(selectedPreset)}
-                >
-                  <Trash2 className="mr-1.5 h-3.5 w-3.5" aria-hidden />
-                  {tx("settings.actions.delete", "Delete")}
-                </Button>
-              ) : null}
-              <div className="flex items-center justify-end gap-3">
-                <Button
-                  size="sm"
-                  variant="outline"
-                  className="rounded-full"
-                  disabled={
-                    (!creating && !dirty) ||
-                    !selectedProviderConfigured ||
-                    modelFieldsMissing ||
-                    saving ||
-                    orderSaving
-                  }
-                  onClick={onSave}
-                >
-                  {saving || creatingSaving
-                    ? tx("settings.actions.saving", "Saving...")
-                    : tx("settings.actions.savePreset", "Save preset")}
-                </Button>
-              </div>
-            </div>
-                  </>
-                ) : (
-                  <div className="flex min-h-[320px] items-center justify-center px-8 py-12 text-center">
-                    <div className="max-w-[16rem]">
-                      <span className="mx-auto grid h-10 w-10 place-items-center rounded-[14px] bg-muted text-muted-foreground">
-                        <Pencil className="h-4 w-4" aria-hidden />
-                      </span>
-                      <p className="mt-3 text-[14px] font-medium text-foreground">
-                        {tx("settings.models.selectPreset", "Select a preset")}
-                      </p>
-                      <p className="mt-1 text-[12px] leading-5 text-muted-foreground">
-                        {tx(
-                          "settings.models.selectPresetHelp",
-                          "Select a preset from the list to edit its model and generation settings.",
-                        )}
-                      </p>
-                    </div>
-                  </div>
-                )}
-              </div>
-            </div>
+              {creating && editorOpen ? renderPresetEditor("editor:new") : null}
+            </>
           )}
         </SettingsGroup>
       </section>
diff --git a/webui/src/i18n/locales/en/common.json b/webui/src/i18n/locales/en/common.json
index 817117543..9d47eb82b 100644
--- a/webui/src/i18n/locales/en/common.json
+++ b/webui/src/i18n/locales/en/common.json
@@ -132,9 +132,6 @@
       "newPresetHelp": "Save a reusable model and its generation settings.",
       "presets": "Model presets",
       "editPreset": "Edit preset",
-      "backToPresets": "Back to model presets",
-      "selectPreset": "Select a preset",
-      "selectPresetHelp": "Select a preset from the list to edit its model and generation settings.",
       "presetName": "Preset name",
       "presetNameHelp": "A short name used throughout model settings.",
       "presetNamePlaceholder": "Fast writing",
diff --git a/webui/src/i18n/locales/es/common.json b/webui/src/i18n/locales/es/common.json
index bed369d16..b0a15b096 100644
--- a/webui/src/i18n/locales/es/common.json
+++ b/webui/src/i18n/locales/es/common.json
@@ -408,9 +408,6 @@
       "newPresetHelp": "Guarda un modelo reutilizable y sus ajustes de generación.",
       "presets": "Preajustes de modelo",
       "editPreset": "Editar preajuste",
-      "backToPresets": "Volver a los preajustes de modelo",
-      "selectPreset": "Seleccionar un preajuste",
-      "selectPresetHelp": "Selecciona un preajuste de la lista para editar su modelo y los ajustes de generación.",
       "presetName": "Nombre del preajuste",
       "presetNameHelp": "Un nombre corto para usar en los ajustes de modelos.",
       "presetNamePlaceholder": "Escritura rápida",
diff --git a/webui/src/i18n/locales/fr/common.json b/webui/src/i18n/locales/fr/common.json
index c470e4561..45efeb992 100644
--- a/webui/src/i18n/locales/fr/common.json
+++ b/webui/src/i18n/locales/fr/common.json
@@ -408,9 +408,6 @@
       "newPresetHelp": "Enregistrez un modèle réutilisable et ses paramètres de génération.",
       "presets": "Préréglages de modèle",
       "editPreset": "Modifier le préréglage",
-      "backToPresets": "Retour aux préréglages de modèle",
-      "selectPreset": "Sélectionner un préréglage",
-      "selectPresetHelp": "Sélectionnez un préréglage dans la liste pour modifier son modèle et ses paramètres de génération.",
       "presetName": "Nom du préréglage",
       "presetNameHelp": "Un nom court utilisé dans les paramètres des modèles.",
       "presetNamePlaceholder": "Rédaction rapide",
diff --git a/webui/src/i18n/locales/id/common.json b/webui/src/i18n/locales/id/common.json
index 09d20cb2d..b420bae1f 100644
--- a/webui/src/i18n/locales/id/common.json
+++ b/webui/src/i18n/locales/id/common.json
@@ -408,9 +408,6 @@
       "newPresetHelp": "Simpan model yang dapat digunakan kembali beserta pengaturan generasinya.",
       "presets": "Prasetel model",
       "editPreset": "Ubah prasetel",
-      "backToPresets": "Kembali ke prasetel model",
-      "selectPreset": "Pilih prasetel",
-      "selectPresetHelp": "Pilih prasetel dari daftar untuk mengubah model dan pengaturan generasinya.",
       "presetName": "Nama prasetel",
       "presetNameHelp": "Nama singkat yang digunakan di pengaturan model.",
       "presetNamePlaceholder": "Menulis cepat",
diff --git a/webui/src/i18n/locales/ja/common.json b/webui/src/i18n/locales/ja/common.json
index 6e13d2261..332a16e0b 100644
--- a/webui/src/i18n/locales/ja/common.json
+++ b/webui/src/i18n/locales/ja/common.json
@@ -408,9 +408,6 @@
       "newPresetHelp": "再利用できるモデルと生成設定を保存します。",
       "presets": "モデルプリセット",
       "editPreset": "プリセットを編集",
-      "backToPresets": "モデルプリセットに戻る",
-      "selectPreset": "プリセットを選択",
-      "selectPresetHelp": "リストからプリセットを選択して、モデルと生成設定を編集します。",
       "presetName": "プリセット名",
       "presetNameHelp": "モデル設定で使用する短い名前です。",
       "presetNamePlaceholder": "高速執筆",
diff --git a/webui/src/i18n/locales/ko/common.json b/webui/src/i18n/locales/ko/common.json
index 068810d7e..361449be6 100644
--- a/webui/src/i18n/locales/ko/common.json
+++ b/webui/src/i18n/locales/ko/common.json
@@ -408,9 +408,6 @@
       "newPresetHelp": "재사용할 모델과 생성 설정을 저장합니다.",
       "presets": "모델 프리셋",
       "editPreset": "프리셋 편집",
-      "backToPresets": "모델 프리셋으로 돌아가기",
-      "selectPreset": "프리셋 선택",
-      "selectPresetHelp": "목록에서 프리셋을 선택하여 모델과 생성 설정을 편집하세요.",
       "presetName": "프리셋 이름",
       "presetNameHelp": "모델 설정에서 사용할 짧은 이름입니다.",
       "presetNamePlaceholder": "빠른 작성",
diff --git a/webui/src/i18n/locales/pt-BR/common.json b/webui/src/i18n/locales/pt-BR/common.json
index 05c8495dd..7f499f650 100644
--- a/webui/src/i18n/locales/pt-BR/common.json
+++ b/webui/src/i18n/locales/pt-BR/common.json
@@ -132,9 +132,6 @@
       "newPresetHelp": "Salve um modelo reutilizável e suas configurações de geração.",
       "presets": "Predefinições de modelo",
       "editPreset": "Editar predefinição",
-      "backToPresets": "Voltar às predefinições de modelo",
-      "selectPreset": "Selecionar uma predefinição",
-      "selectPresetHelp": "Selecione uma predefinição na lista para editar o modelo e as configurações de geração.",
       "presetName": "Nome da predefinição",
       "presetNameHelp": "Um nome curto usado nas configurações de modelo.",
       "presetNamePlaceholder": "Escrita rápida",
diff --git a/webui/src/i18n/locales/vi/common.json b/webui/src/i18n/locales/vi/common.json
index 9cada0a46..7586d6aab 100644
--- a/webui/src/i18n/locales/vi/common.json
+++ b/webui/src/i18n/locales/vi/common.json
@@ -408,9 +408,6 @@
       "newPresetHelp": "Lưu mô hình có thể tái sử dụng cùng các thiết lập sinh nội dung.",
       "presets": "Cấu hình mô hình đặt trước",
       "editPreset": "Sửa cấu hình đặt trước",
-      "backToPresets": "Quay lại cấu hình mô hình đặt trước",
-      "selectPreset": "Chọn một cấu hình đặt trước",
-      "selectPresetHelp": "Chọn một cấu hình đặt trước trong danh sách để chỉnh sửa mô hình và cài đặt sinh nội dung.",
       "presetName": "Tên cấu hình đặt trước",
       "presetNameHelp": "Tên ngắn dùng trong phần thiết lập mô hình.",
       "presetNamePlaceholder": "Viết nhanh",
diff --git a/webui/src/i18n/locales/zh-CN/common.json b/webui/src/i18n/locales/zh-CN/common.json
index 9e6200a4e..4290de08a 100644
--- a/webui/src/i18n/locales/zh-CN/common.json
+++ b/webui/src/i18n/locales/zh-CN/common.json
@@ -132,9 +132,6 @@
       "newPresetHelp": "保存可复用的模型及其生成参数。",
       "presets": "模型预设",
       "editPreset": "编辑预设",
-      "backToPresets": "返回模型预设",
-      "selectPreset": "选择一个预设",
-      "selectPresetHelp": "从列表中选择一个预设，编辑它的模型和生成参数。",
       "presetName": "预设名称",
       "presetNameHelp": "在模型设置中使用的简短名称。",
       "presetNamePlaceholder": "快速写作",
diff --git a/webui/src/i18n/locales/zh-TW/common.json b/webui/src/i18n/locales/zh-TW/common.json
index 6a7e163eb..593c79c9f 100644
--- a/webui/src/i18n/locales/zh-TW/common.json
+++ b/webui/src/i18n/locales/zh-TW/common.json
@@ -408,9 +408,6 @@
       "newPresetHelp": "儲存可重複使用的模型與生成參數。",
       "presets": "模型預設",
       "editPreset": "編輯預設",
-      "backToPresets": "返回模型預設",
-      "selectPreset": "選擇一個預設",
-      "selectPresetHelp": "從列表中選擇一個預設，編輯它的模型與生成參數。",
       "presetName": "預設名稱",
       "presetNameHelp": "模型設定中使用的簡短名稱。",
       "presetNamePlaceholder": "快速寫作",
diff --git a/webui/src/tests/settings-view.test.tsx b/webui/src/tests/settings-view.test.tsx
index 67908d160..aa2156265 100644
--- a/webui/src/tests/settings-view.test.tsx
+++ b/webui/src/tests/settings-view.test.tsx
@@ -2137,7 +2137,7 @@ describe("SettingsView Apps catalog", () => {
     expect(reasoningEffort).toHaveValue("provider-native-mode");
   });
 
-  it("associates preset selection with the responsive detail pane", async () => {
+  it("expands the model preset editor directly below the selected row", async () => {
     vi.stubGlobal(
       "fetch",
       vi.fn(async (input: RequestInfo | URL) => {
@@ -2157,22 +2157,23 @@ describe("SettingsView Apps catalog", () => {
 
     const row = await screen.findByTestId("model-call-order-row-primary");
     const trigger = within(row).getAllByRole("button")[0];
-    const detail = document.getElementById("model-preset-detail");
-    expect(detail).toHaveClass("hidden", "xl:block");
-    expect(trigger).toHaveAttribute("aria-controls", "model-preset-detail");
+    expect(screen.queryByTestId("model-preset-editor")).not.toBeInTheDocument();
+    expect(trigger).toHaveAttribute("aria-expanded", "false");
 
     fireEvent.click(trigger);
 
+    const editor = screen.getByTestId("model-preset-editor");
     expect(trigger).toHaveAttribute("aria-pressed", "true");
-    expect(detail).not.toHaveClass("hidden");
-    expect(within(detail as HTMLElement).getByDisplayValue("Primary")).toBeInTheDocument();
+    expect(trigger).toHaveAttribute("aria-expanded", "true");
+    expect(trigger).toHaveAttribute("aria-controls", "model-preset-editor");
+    expect(row.nextElementSibling).toBe(editor);
+    expect(editor).toHaveClass("slide-in-from-top-1");
+    expect(within(editor).getByDisplayValue("Primary")).toBeInTheDocument();
 
-    const backButton = screen.getByRole("button", { name: "Back to model presets" });
-    expect(backButton).toHaveClass("xl:hidden");
-    fireEvent.click(backButton);
+    fireEvent.click(trigger);
 
-    expect(trigger).toHaveAttribute("aria-pressed", "false");
-    expect(detail).toHaveClass("hidden", "xl:block");
+    expect(trigger).toHaveAttribute("aria-expanded", "false");
+    expect(screen.queryByTestId("model-preset-editor")).not.toBeInTheDocument();
   });
 
   it("drags model presets to reorder and saves the model call order immediately", async () => {
@@ -4048,10 +4049,6 @@ describe("SettingsView Apps catalog", () => {
     expect(screen.queryByRole("dialog", { name: "New model preset" })).not.toBeInTheDocument();
     expect(screen.getByPlaceholderText("Fast writing")).toHaveValue("");
     expect(screen.queryByText("Temperature")).not.toBeInTheDocument();
-    fireEvent.click(screen.getByRole("button", { name: "Back to model presets" }));
-    expect(screen.queryByPlaceholderText("Fast writing")).not.toBeInTheDocument();
-
-    fireEvent.click(screen.getByRole("button", { name: "New model preset" }));
     fireEvent.click(screen.getByRole("button", { name: /Advanced options/ }));
     expect(screen.getByText("Temperature")).toBeInTheDocument();
     fireEvent.click(screen.getByRole("button", { name: "Cancel" }));