fix(webui): simplify prompt history rows

webui/src/components/thread/PromptNavigator.tsx

@@ -136,18 +136,14 @@ function PromptNavigatorRow({
       aria-label={t("thread.promptNavigator.jumpTo", { label: prompt.label })}
       onClick={() => onJump(prompt.id)}
     >
-      <div className="flex items-center gap-2 text-[11px] text-muted-foreground">
-        <span>{t("thread.promptNavigator.promptNumber", { number: prompt.index + 1 })}</span>
-        {timestamp ? (
-          <>
-            <span aria-hidden>·</span>
-            <span>{timestamp}</span>
-          </>
-        ) : null}
-      </div>
-      <div className="mt-1 max-h-20 overflow-hidden whitespace-pre-wrap break-words text-sm leading-5 text-foreground">
+      <div className="max-h-20 overflow-hidden whitespace-pre-wrap break-words text-sm leading-5 text-foreground">
         {prompt.preview}
       </div>
+      {timestamp ? (
+        <div className="mt-1 text-[10px] leading-4 text-muted-foreground/75">
+          {timestamp}
+        </div>
+      ) : null}
     </button>
   );
 }

webui/src/i18n/locales/en/common.json

@@ -781,8 +781,7 @@
       "title": "Prompts",
       "search": "Search prompts",
       "noResults": "No matching prompts.",
-      "jumpTo": "Jump to prompt: {{label}}",
-      "promptNumber": "Prompt {{number}}"
+      "jumpTo": "Jump to prompt: {{label}}"
     }
   },
   "message": {

webui/src/i18n/locales/es/common.json

@@ -781,8 +781,7 @@
       "title": "Prompts",
       "search": "Buscar prompts",
       "noResults": "No hay prompts coincidentes.",
-      "jumpTo": "Ir al prompt: {{label}}",
-      "promptNumber": "Prompt {{number}}"
+      "jumpTo": "Ir al prompt: {{label}}"
     }
   },
   "message": {

webui/src/i18n/locales/fr/common.json

@@ -781,8 +781,7 @@
       "title": "Prompts",
       "search": "Rechercher des prompts",
       "noResults": "Aucun prompt correspondant.",
-      "jumpTo": "Aller au prompt : {{label}}",
-      "promptNumber": "Prompt {{number}}"
+      "jumpTo": "Aller au prompt : {{label}}"
     }
   },
   "message": {

webui/src/i18n/locales/id/common.json

@@ -781,8 +781,7 @@
       "title": "Prompt",
       "search": "Cari prompt",
       "noResults": "Tidak ada prompt yang cocok.",
-      "jumpTo": "Lompat ke prompt: {{label}}",
-      "promptNumber": "Prompt {{number}}"
+      "jumpTo": "Lompat ke prompt: {{label}}"
     }
   },
   "message": {

webui/src/i18n/locales/ja/common.json

@@ -781,8 +781,7 @@
       "title": "プロンプト",
       "search": "プロンプトを検索",
       "noResults": "一致するプロンプトがありません。",
-      "jumpTo": "プロンプトへ移動: {{label}}",
-      "promptNumber": "プロンプト {{number}}"
+      "jumpTo": "プロンプトへ移動: {{label}}"
     }
   },
   "message": {

webui/src/i18n/locales/ko/common.json

@@ -781,8 +781,7 @@
       "title": "프롬프트",
       "search": "프롬프트 검색",
       "noResults": "일치하는 프롬프트가 없습니다.",
-      "jumpTo": "프롬프트로 이동: {{label}}",
-      "promptNumber": "프롬프트 {{number}}"
+      "jumpTo": "프롬프트로 이동: {{label}}"
     }
   },
   "message": {

webui/src/i18n/locales/vi/common.json

@@ -781,8 +781,7 @@
       "title": "Prompt",
       "search": "Tìm prompt",
       "noResults": "Không có prompt phù hợp.",
-      "jumpTo": "Nhảy tới prompt: {{label}}",
-      "promptNumber": "Prompt {{number}}"
+      "jumpTo": "Nhảy tới prompt: {{label}}"
     }
   },
   "message": {

webui/src/i18n/locales/zh-CN/common.json

@@ -781,8 +781,7 @@
       "title": "输入列表",
       "search": "搜索输入",
       "noResults": "没有匹配的输入。",
-      "jumpTo": "跳转到输入：{{label}}",
-      "promptNumber": "第 {{number}} 条"
+      "jumpTo": "跳转到输入：{{label}}"
     }
   },
   "message": {

webui/src/i18n/locales/zh-TW/common.json

@@ -781,8 +781,7 @@
       "title": "輸入列表",
       "search": "搜尋輸入",
       "noResults": "沒有符合的輸入。",
-      "jumpTo": "跳到輸入：{{label}}",
-      "promptNumber": "第 {{number}} 則"
+      "jumpTo": "跳到輸入：{{label}}"
     }
   },
   "message": {