UI: i18n update

frontend/src/components/Sidebar.tsx

@@ -927,7 +927,7 @@ function SidebarBody() {
               }}
             >
               <Database className="h-4 w-4 text-muted-foreground" />
-              {t('knowledgeBaseManagement', 'Knowledge Bases')}
+              {t('knowledgeBases')}
             </button>
 
             <button 
@@ -949,7 +949,7 @@ function SidebarBody() {
               }}
             >
               <Mic className="h-4 w-4 text-muted-foreground" />
-              {t('voiceSettings', '语音输入配置')}
+              {t('voiceSettings')}
             </button>
 
             {user?.is_admin && (
@@ -973,7 +973,7 @@ function SidebarBody() {
                   }}
                 >
                   <Brain className="h-4 w-4 text-muted-foreground" />
-                  {t('embeddingModelConfig', 'Embedding Models')}
+                  {t('embeddingModels')}
                 </button>
                 
                 <button 

frontend/src/i18n/locales/en.json

@@ -173,7 +173,7 @@
   "knowledgeBaseNamePlaceholder": "Enter knowledge base name",
   "knowledgeBaseDescriptionPlaceholder": "Enter knowledge base description (optional)",
   "knowledgeBaseEmbeddingModel": "Embedding Model",
-  "knowledgeBaseEmbeddingModelPlaceholder": "e.g. text-embedding-3-large",
+  "knowledgeBaseEmbeddingModelPlaceholder": "Select an embedding model",
   "knowledgeBaseChunkSize": "Chunk Size",
   "knowledgeBaseChunkOverlap": "Chunk Overlap",
   "knowledgeBaseTopK": "Top K",
@@ -364,5 +364,8 @@
   "selectModel": "Select a model",
   "noSubagents": "No subagents configured",
   "confirmDeleteSubagent": "Are you sure you want to delete this subagent?",
-  "selectProjectToManageSubagents": "Please select a project to manage subagents"
+  "selectProjectToManageSubagents": "Please select a project to manage subagents",
+  "knowledgeBases": "Knowledge Bases",
+  "voiceSettings": "Voice Input Settings",
+  "embeddingModels": "Embedding Models"
 }

frontend/src/i18n/locales/zh.json

@@ -186,7 +186,7 @@
   "knowledgeBaseNamePlaceholder": "请输入知识库名称",
   "knowledgeBaseDescriptionPlaceholder": "请输入知识库描述（可选）",
   "knowledgeBaseEmbeddingModel": "Embedding 模型",
-  "knowledgeBaseEmbeddingModelPlaceholder": "例如：text-embedding-3-large",
+  "knowledgeBaseEmbeddingModelPlaceholder": "请选择一个嵌入模型",
   "knowledgeBaseChunkSize": "Chunk Size",
   "knowledgeBaseChunkOverlap": "Chunk Overlap",
   "knowledgeBaseTopK": "Top K",
@@ -364,5 +364,8 @@
   "systemInstructionsPlaceholder": "你是一个有用的 AI 助手...",
   "noSubagents": "暂无配置的子智能体",
   "confirmDeleteSubagent": "确定要删除这个子智能体吗？",
-  "selectProjectToManageSubagents": "请先选择一个项目以管理其子智能体"
+  "selectProjectToManageSubagents": "请先选择一个项目以管理其子智能体",
+  "knowledgeBases": "知识库管理",
+  "voiceSettings": "语音输入配置",
+  "embeddingModels": "Embedding 模型"
 }

frontend/src/pages/EmbeddingModels.tsx

@@ -154,7 +154,7 @@ export function EmbeddingModels() {
     <div className="flex-1 flex flex-col h-full bg-muted/50/30 overflow-hidden">
       <div className="h-14 px-6 flex items-center justify-between border-b border-border bg-background">
         <div className="flex items-center gap-2 text-foreground/80 font-medium">
-          <Brain className="h-5 w-5 text-indigo-500" />{t('embeddingModelConfig', 'Embedding Model Configuration')}</div>
+          <Brain className="h-5 w-5 text-indigo-500" />{t('embeddingModels')}</div>
         <div className="flex items-center gap-3">
           <div className="relative">
             <Search className="h-4 w-4 text-muted-foreground absolute left-3 top-1/2 -translate-y-1/2" />

frontend/src/pages/KnowledgeBases.tsx

@@ -403,13 +403,14 @@ export function KnowledgeBases() {
   };
 
   const selectedKnowledgeBase = knowledgeBases.find((item) => item.id === selectedKnowledgeBaseId) || null;
+  const selectedEmbeddingModel = embeddingModels.find(m => m.id === knowledgeBaseForm.embedding_model);
 
   return (
     <div className="flex-1 flex flex-col h-full bg-muted/50/30 overflow-hidden">
       <div className="h-14 px-6 flex items-center justify-between border-b border-border bg-background">
         <div className="flex items-center gap-2 text-foreground/80 font-medium">
           <Database className="h-5 w-5 text-indigo-500" />
-          {t('knowledgeBaseManagement', 'Knowledge Base Management')}
+          {t('knowledgeBases')}
         </div>
       </div>
 
@@ -464,7 +465,11 @@ export function KnowledgeBases() {
                     disabled={!currentProject}
                   >
                     <SelectTrigger id="knowledge-base-embedding-model">
-                      <SelectValue placeholder={t('knowledgeBaseEmbeddingModelPlaceholder', 'Select an embedding model')} />
+                      <SelectValue placeholder={t('knowledgeBaseEmbeddingModelPlaceholder')}>
+                        {selectedEmbeddingModel 
+                          ? `${selectedEmbeddingModel.name || selectedEmbeddingModel.model} (${selectedEmbeddingModel.provider})`
+                          : knowledgeBaseForm.embedding_model || undefined}
+                      </SelectValue>
                     </SelectTrigger>
                     <SelectContent>
                       {embeddingModels.map((model) => (