From 86d0d9c7ed315cefaa8816913fc537e69a4c9b4f Mon Sep 17 00:00:00 2001
From: AI Directory Platform <dev@aidirectory.local>
Date: Thu, 10 Sep 2026 06:34:59 +0000
Subject: [PATCH] =?UTF-8?q?fix:=20/en/*=20=E6=98=BE=E5=BC=8F=E8=A7=84?=
 =?UTF-8?q?=E8=8C=83=E5=8C=96=E9=87=8D=E5=AE=9A=E5=90=91=E8=BF=9B=20proxy?=
 =?UTF-8?q?=EF=BC=88=E5=BA=95=E5=BA=A7=E5=A5=91=E7=BA=A6=EF=BC=8C=E4=B8=8D?=
 =?UTF-8?q?=E4=BE=9D=E8=B5=96=20next-intl=20=E5=86=85=E9=83=A8=E8=A1=8C?=
 =?UTF-8?q?=E4=B8=BA=EF=BC=89?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

- proxy 显式拦截 /en 与 /en/* → 307 到去前缀形式（带 query 保留），
  历史或外部 /en/* 链接永远落到规范 URL
- 实测：用户报告的 /en/login 404 在当前部署无法复现（五站均 307→200），
  推断为早前构建残缺窗口期的缓存；显式规则使该行为永固可测
---
 packages/core/src/proxy.ts | 20 ++++++++++++++++++--
 1 file changed, 18 insertions(+), 2 deletions(-)

diff --git a/packages/core/src/proxy.ts b/packages/core/src/proxy.ts
index 9e5054e..4edc9a9 100644
--- a/packages/core/src/proxy.ts
+++ b/packages/core/src/proxy.ts
@@ -1,11 +1,27 @@
 import createIntlMiddleware from 'next-intl/middleware';
 import { routing } from './i18n/routing';
-import type { NextRequest } from 'next/server';
-import { NextResponse } from 'next/server';
+import { NextRequest, NextResponse } from 'next/server';
 
 const intlMiddleware = createIntlMiddleware(routing);
 
+/**
+ * # proxy
+ * 说明：站点入口中间件。
+ *  - 显式规范化：/en 与 /en/* 307 → 去前缀形式（/ 与 /*）。
+ *    底座契约：默认语言 URL 不带前缀；历史/外部 /en/* 链接永远落到规范 URL，
+ *    行为不依赖 next-intl 内部实现。中文 /zh/* 由 intlMiddleware 正常处理。
+ */
 export function proxy(request: NextRequest) {
+  const { pathname, search } = request.nextUrl;
+
+  if (pathname === '/en' || pathname.startsWith('/en/')) {
+    const target = pathname === '/en' ? '/' : pathname.slice(3);
+    return NextResponse.redirect(
+      new URL(`${target}${search}`, request.url),
+      307
+    );
+  }
+
   return intlMiddleware(request);
 }