From 552eb0df3f7c9b31e6822938c4f8448eee11d08e Mon Sep 17 00:00:00 2001
From: DuMate <dumate@qianfan.ai>
Date: Tue, 22 Sep 2026 00:50:41 +0800
Subject: [PATCH] =?UTF-8?q?fix(scan):=20=E7=99=BB=E5=BD=95=E5=90=8E?=
 =?UTF-8?q?=E9=A6=96=E6=AC=A1=E6=8B=89=E5=8C=85=E8=87=AA=E5=8A=A8=E8=A7=A6?=
 =?UTF-8?q?=E5=8F=91=E6=89=AB=E6=8F=8F?=
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ensureScan 原本只在每日自动扫描被调用，/api/packages 未接线，
导致部署重启后 rawCache 为空、登录拉包返回空列表且无扫描动作，
必须手动点「重新扫描」。现在 /api/packages 首次访问懒触发扫描，
返回 scanning 状态供前端轮询，登录后即可自动扫描。
---
 backend/server.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/backend/server.js b/backend/server.js
index af91709..39a3c25 100644
--- a/backend/server.js
+++ b/backend/server.js
@@ -335,7 +335,8 @@ app.get('/api/packages', (req, res) => {
   const demo = isDemoMode()
   const storage = currentStorage()
   const validation = demo ? { ok: true, message: 'demo' } : validateStorage(storage)
-  const packages = buildPackages(req.query.keyword || '') // 先构建（触发懒扫描并填充缓存）
+  ensureScan() // 懒触发：登录后首次拉包自动启动扫描（rawCache 缺失时），返回 scanning 状态供前端轮询
+  const packages = buildPackages(req.query.keyword || '') // 先构建（填充缓存）
   res.json({
     demo,
     storageDir: storage || null,