fix: hide internal image failure messages

components/message.tsx

@@ -194,6 +194,15 @@ function stripModelBadgeLines(text: string): string {
     .trim();
 }
 
+function isInternalImageGenerationFailureText(text: string): boolean {
+  const normalized = stripModelBadgeLines(filterAgentRoutingNoise(filterVideoContent(text))).trim();
+  if (!normalized) return false;
+  if (extractImageUrlsFromText(normalized).length > 0) return false;
+  return /^(?:生成图片失败|图片生成失败)[，,：:\s]*(?:未找到图片数据|未解析到图片|模型未返回生成图片|图片数据不可用)?$/i.test(
+    normalized
+  );
+}
+
 function appendImageDoneSummary(text: string): string {
   if (!text) return text;
   const normalized = String(text || "").trim();
@@ -375,9 +384,23 @@ const PurePreviewMessage = ({
   const attachmentsFromMessage = message.parts.filter(
     (part) => part.type === "file"
   );
+  const hasVisibleTextPart = message.parts.some(
+    (part) =>
+      part.type === "text" &&
+      part.text?.trim() &&
+      !(message.role === "assistant" && isInternalImageGenerationFailureText(part.text))
+  );
 
   useDataStream();
 
+  if (
+    message.role === "assistant" &&
+    !hasVisibleTextPart &&
+    attachmentsFromMessage.length === 0
+  ) {
+    return null;
+  }
+
   return (
     <div
       className="group/message fade-in w-full animate-in duration-200"
@@ -390,7 +413,7 @@ const PurePreviewMessage = ({
           "justify-start": message.role === "assistant",
         })}
       >
-        {message.role === "assistant" && message.parts.some((part) => part.type === "text" && part.text && part.text.trim().length > 0) && (
+        {message.role === "assistant" && hasVisibleTextPart && (
           <div className="-mt-1 flex size-8 shrink-0 items-center justify-center rounded-full bg-background ring-1 ring-border">
             <SparklesIcon size={14} />
           </div>
@@ -398,14 +421,9 @@ const PurePreviewMessage = ({
 
         <div
           className={cn("flex min-w-0 flex-col", {
-            "gap-2 md:gap-4": message.parts?.some(
+            "gap-2 md:gap-4": hasVisibleTextPart,
-              (p) => p.type === "text" && p.text?.trim()
-            ),
             "w-full":
-              (message.role === "assistant" &&
+              (message.role === "assistant" && hasVisibleTextPart) ||
-                message.parts?.some(
-                  (p) => p.type === "text" && p.text?.trim()
-                )) ||
               mode === "edit",
             "max-w-[calc(100%-2.5rem)] sm:max-w-[min(fit-content,80%)]":
               message.role === "user" && mode !== "edit",
@@ -445,6 +463,13 @@ const PurePreviewMessage = ({
 
             if (type === "text") {
               if (mode === "view") {
+                if (
+                  message.role === "assistant" &&
+                  isInternalImageGenerationFailureText(part.text)
+                ) {
+                  return null;
+                }
+
                 // 检查是否是图片处理的加载消息
                 if (part.text === "正在变清晰..." || part.text === "正在抠图..." || part.text === "正在图像拓展..." || part.text === "正在去水印...") {
                   let type: "enhance" | "rmbg" | "extend" | "watermark";