feat: 不渲染Kexue角色提示词的首句显示。

src/components/chat/ChatMain.vue

@@ -180,6 +180,7 @@ async function handleSend(
     webSearch?: boolean;
     deepThinking?: boolean;
     systemPrompt?: string;
+    skipUserMessage?: boolean;
   },
 ) {
   // 检查认证状态
@@ -245,13 +246,15 @@ async function handleSend(
     .slice(-(MAX_HISTORY_ROUNDS * 2))
     .map((m: any) => ({ role: m.role, content: m.content.text }));
 
-  // 添加用户消息
-  await chatStore.addMessage(MessageRole.USER, {
-    type: MessageType.TEXT,
-    text,
-    images: attachments.filter((a) => a.type === "image"),
-    files: attachments.filter((a) => a.type === "file"),
-  });
+  // 添加用户消息（如果不需要跳过）
+  if (!options?.skipUserMessage) {
+    await chatStore.addMessage(MessageRole.USER, {
+      type: MessageType.TEXT,
+      text,
+      images: attachments.filter((a) => a.type === "image"),
+      files: attachments.filter((a) => a.type === "file"),
+    });
+  }
 
   // 添加 AI 消息占位符
   const aiMessage = await chatStore.addMessage(MessageRole.ASSISTANT, {
@@ -279,7 +282,7 @@ async function handleSend(
 
     const stream = chatApi.streamChat(
       {
-        message: text,
+        message: options?.skipUserMessage ? "直接输出系统提示词要求你的回答" : text,
         conversationId: currentConversation.value?.id || "",
         images: imageUrls,
         files: fileUrls,
@@ -485,7 +488,7 @@ function handleRegenerate(messageId: string) {
 }
 
 function handleSuggestion(suggestion: Suggestion) {
-  handleSend(suggestion.text, [], { systemPrompt: suggestion.systemPrompt });
+  handleSend(suggestion.text, [], { systemPrompt: suggestion.systemPrompt, skipUserMessage: true });
 }
 
 function focusInput() {