From 40d64f129313f26133e427c3707101c91c95bb82 Mon Sep 17 00:00:00 2001
From: TerryM <chiachintat10@gmail.com>
Date: Sat, 30 May 2026 15:43:30 +0800
Subject: [PATCH] =?UTF-8?q?fix:=20=E9=93=BE=E6=8E=A5=E9=A2=84=E8=A7=88?=
 =?UTF-8?q?=E5=BC=BA=E8=B0=83=E8=89=B2=E6=8C=89=E5=9F=9F=E5=90=8D=E5=85=9C?=
 =?UTF-8?q?=E5=BA=95,=E8=85=BE=E8=AE=AF=E4=BC=9A=E8=AE=AE=E4=B8=8D?=
 =?UTF-8?q?=E5=86=8D=E7=94=A8=E9=BB=91=E8=89=B2?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

部分站点(如 meeting.tencent.com)返回 themeColor=#000000,在深色气泡上看不见。
按域名覆盖为品牌金色,其余仍优先用 themeColor。

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 .../messageStream/LinkPreviewCard.tsx         | 24 ++++++++++++++++++-
 1 file changed, 23 insertions(+), 1 deletion(-)

diff --git a/src/components/messageStream/LinkPreviewCard.tsx b/src/components/messageStream/LinkPreviewCard.tsx
index 3858464..d10a5a1 100644
--- a/src/components/messageStream/LinkPreviewCard.tsx
+++ b/src/components/messageStream/LinkPreviewCard.tsx
@@ -1,5 +1,27 @@
 import type { LinkPreview } from "../../types/post";
 
+const LINK_ACCENT = "#eeb726";
+
+const DOMAIN_ACCENT_OVERRIDES: Array<[string, string]> = [
+  // Tencent Meeting returns themeColor="#000000", which disappears on the
+  // dark bubble surface. Keep it consistent with inline link color instead.
+  ["meeting.tencent.com", LINK_ACCENT],
+];
+
+function linkPreviewAccent(preview: LinkPreview): string {
+  const url = preview.canonicalUrl || preview.url;
+  try {
+    const host = new URL(url).hostname.replace(/^www\./, "");
+    const match = DOMAIN_ACCENT_OVERRIDES.find(
+      ([domain]) => host === domain || host.endsWith(`.${domain}`),
+    );
+    if (match) return match[1];
+  } catch {
+    // Ignore malformed preview URLs and fall back below.
+  }
+  return preview.themeColor || LINK_ACCENT;
+}
+
 /**
  * Telegram-style rich preview card for a single URL embedded in a post.
  *
@@ -8,7 +30,7 @@ import type { LinkPreview } from "../../types/post";
  * that opens `canonicalUrl` in a new tab.
  */
 export function LinkPreviewCard({ preview }: { preview: LinkPreview }) {
-  const accent = preview.themeColor || "#EEB726";
+  const accent = linkPreviewAccent(preview);
   const hasUsefulText =
     preview.title.length > 0 || preview.description.length > 0;
   if (!hasUsefulText && !preview.imageUrl) return null;