From bdf980044a66395c62d35b002eefd510fdf0cf36 Mon Sep 17 00:00:00 2001
From: Your Name <your.email@example.com>
Date: Wed, 18 Feb 2026 23:13:14 +0800
Subject: [PATCH] fix(canvas): hide raw anchor/html text in video assistant
 messages

---
 components/canvas/CanvasChatPanel.tsx | 25 ++++++++++++-------------
 1 file changed, 12 insertions(+), 13 deletions(-)

diff --git a/components/canvas/CanvasChatPanel.tsx b/components/canvas/CanvasChatPanel.tsx
index a4201c376..3b0b11935 100644
--- a/components/canvas/CanvasChatPanel.tsx
+++ b/components/canvas/CanvasChatPanel.tsx
@@ -134,6 +134,16 @@ function extractVideoUrls(text: string): string[] {
   return Array.from(urls);
 }
 
+function stripMediaMarkup(text: string): string {
+  return String(text || "")
+    .replace(/!\[(?:thumb)?\|\|\|[^|]+\|\|\|[^\]]*\]\([^)]+\)/g, "")
+    .replace(/<video[\s\S]*?<\/video>/gi, "")
+    .replace(/<a[\s\S]*?<\/a>/gi, "")
+    .replace(/\[[^\]]*]\((https?:\/\/[^)\s]+\.mp4(?:\?[^)\s]*)?)\)/gi, "")
+    .replace(/https?:\/\/[^\s"'<>]+\.mp4(?:\?[^\s"'<>]+)?/gi, "")
+    .trim();
+}
+
 function normalizeVideoParamsForProvider(
   params: VideoGenerationParams | null | undefined,
   providerType?: string
@@ -3277,13 +3287,7 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
               extractVideoUrls(part.text || "").length > 0
             );
             const hasAssistantText = assistantTextParts.some((part: any) => {
-              const textWithoutImages = (part.text || "")
-                .replace(/!\[(?:thumb)?\|\|\|[^|]+\|\|\|[^\]]*\]\([^)]+\)/g, "")
-                .replace(/<video[\s\S]*?<\/video>/gi, "")
-                .replace(/\[[^\]]*]\((https?:\/\/[^)\s]+\.mp4(?:\?[^)\s]*)?)\)/gi, "")
-                .replace(/https?:\/\/[^\s"'<>]+\.mp4(?:\?[^\s"'<>]+)?/gi, "")
-                .trim();
-              return textWithoutImages.length > 0;
+              return stripMediaMarkup(part.text).length > 0;
             });
             const isImageOnlyAssistant =
               message.role === "assistant" &&
@@ -3422,12 +3426,7 @@ export function CanvasChatPanel({ chatId, initialMessages = [], onClose, onOpenF
                           const rawText = part.text || '';
                           const imageUrls = extractImageUrls(rawText);
                           const videoUrls = extractVideoUrls(rawText);
-                          const textWithoutImages = rawText
-                            .replace(/!\[(?:thumb)?\|\|\|[^|]+\|\|\|[^\]]*\]\([^)]+\)/g, '')
-                            .replace(/<video[\s\S]*?<\/video>/gi, '')
-                            .replace(/\[[^\]]*]\((https?:\/\/[^)\s]+\.mp4(?:\?[^)\s]*)?)\)/gi, '')
-                            .replace(/https?:\/\/[^\s"'<>]+\.mp4(?:\?[^\s"'<>]+)?/gi, '')
-                            .trim();
+                          const textWithoutImages = stripMediaMarkup(rawText);
                           
                           return (
                             <div key={i}>