From 95b004ec0fcdb160a1a00432649db294a0dfb8db Mon Sep 17 00:00:00 2001
From: Rou <76741805+Rou325@users.noreply.github.com>
Date: Tue, 8 Sep 2026 16:59:00 +0800
Subject: [PATCH] =?UTF-8?q?fix(canvas):=20=E5=9B=BE=E7=89=87=E5=BC=95?=
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* fix(media): 对象存储参考素材 - 协议支持 URL 时优先发送签名链接

开启对象存储后，支持 URL 的上游协议优先发送 OSS/COS/七牛/S3 签名链接；必须传字节的协议仍走 Base64 或 multipart。本地资源回退字节，签发失败直接报错，不自动重发生成。

* fix(canvas): 图片引用清理 - 取消引用时同步移除提示词引用

* fix(canvas): 图片引用编号 - 同步提示词中的媒体引用
---
 web/src/lib/canvas/canvas-resource-references.ts |  6 +++++-
 web/test/canvas-resource-references.test.ts      | 13 +++++++++++++
 2 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/web/src/lib/canvas/canvas-resource-references.ts b/web/src/lib/canvas/canvas-resource-references.ts
index 1d6786685..512c5b11b 100644
--- a/web/src/lib/canvas/canvas-resource-references.ts
+++ b/web/src/lib/canvas/canvas-resource-references.ts
@@ -133,7 +133,11 @@ function removeCanvasMentionToken(value: string, token: string) {
 function replaceCanvasMentionToken(value: string, token: string, replacement: string) {
     if (!token) return value;
     const escapedToken = token.replace(/[.*+?^${}()|[\]\\]/g, "\\$&");
-    return value.replace(new RegExp(`${escapedToken}(?=${CANVAS_RESOURCE_MENTION_BOUNDARY.source})`, "gu"), replacement);
+    // Numbered media mentions can touch Chinese prose or another mention, but not a longer number.
+    const boundary = /^@(图片|视频|音频|文本)\d+$/.test(token)
+        ? "(?![0-9])"
+        : token.startsWith("@[node:") ? "" : `(?=${CANVAS_RESOURCE_MENTION_BOUNDARY.source})`;
+    return value.replace(new RegExp(`${escapedToken}${boundary}`, "gu"), replacement);
 }
 
 function compactRemovedCanvasMentionPrompt(value: string) {
diff --git a/web/test/canvas-resource-references.test.ts b/web/test/canvas-resource-references.test.ts
index 564aa1422..b1c78ec78 100644
--- a/web/test/canvas-resource-references.test.ts
+++ b/web/test/canvas-resource-references.test.ts
@@ -207,6 +207,19 @@ describe("canvas resource mention slots", () => {
 });
 
 describe("remove canvas resource mention tokens", () => {
+    test("断开首图时同步紧邻中文、连续引用及两位数编号", () => {
+        const images = Array.from({ length: 10 }, (_, index) => imageNode(`image-${index}`));
+        const target = {
+            ...videoNode("target"),
+            metadata: { composerContent: "@图片1@图片2的人物参考@图片10，@[node:image-1]保持一致" },
+        };
+        const nodes = [...images, target];
+        const connections = images.map((image) => connection(image.id, target.id));
+        const result = applyCanvasConnectionPromptSync(nodes, connections, nodes, connections.slice(1));
+        expect(result.find((node) => node.id === target.id)?.metadata?.composerContent)
+            .toBe("@图片1的人物参考@图片9，@图片1保持一致");
+    });
+
     test("取消引用后会清掉对应的 @图片N", () => {
         const image = imageNode("image-a");
         const target = {