From 209aa4a86502956aa7a83d85f5039d78b6da26eb Mon Sep 17 00:00:00 2001
From: yuyx <237899745@qq.com>
Date: Thu, 27 Nov 2025 23:25:25 +0800
Subject: [PATCH] =?UTF-8?q?=F0=9F=90=9B=20=E4=BF=AE=E5=A4=8D=E4=B8=BB?=
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原因：authMiddleware 中的 req.user 对象没有包含 theme_preference 字段，
导致 /api/user/theme 接口始终返回 undefined，用户设置的主题无法被正确读取。

修复：在 req.user 中添加 theme_preference 字段

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 backend/auth.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/backend/auth.js b/backend/auth.js
index 1fe9fb6..f363372 100644
--- a/backend/auth.js
+++ b/backend/auth.js
@@ -102,7 +102,9 @@ function authMiddleware(req, res, next) {
       storage_permission: user.storage_permission || 'sftp_only',
       current_storage_type: user.current_storage_type || 'sftp',
       local_storage_quota: user.local_storage_quota || 1073741824,
-      local_storage_used: user.local_storage_used || 0
+      local_storage_used: user.local_storage_used || 0,
+      // 主题偏好
+      theme_preference: user.theme_preference || null
     };
 
     next();