From 6144a480c7366c1ef040061eae0590dd41538c5b Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E6=96=BD=E5=B7=A5=E5=91=98?=
 <4846a27a-ba87-49c9-939d-7275f63efcc7@agents.multica.local>
Date: Mon, 24 Aug 2026 01:47:53 +0800
Subject: [PATCH] =?UTF-8?q?fix(HEL-69):=20serve=5Fstatic=20=E7=9B=AE?=
 =?UTF-8?q?=E5=BD=95=20index=20=E5=85=9C=E5=BA=95=EF=BC=8C=E9=97=B8?=
 =?UTF-8?q?=E9=97=A8=E6=94=B9=E8=B7=B3=20/m/?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

审核通过后部署侧小改：目录请求返回 index.html，避免 /m/ 回退桌面页；分流闸门同步改用干净 /m/ 地址。

Co-authored-by: Cursor <cursoragent@cursor.com>
Co-authored-by: multica-agent <github@multica.ai>
---
 app/backend/http/handler.py | 7 +++++++
 app/frontend/index.html     | 2 +-
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/app/backend/http/handler.py b/app/backend/http/handler.py
index 59b3643..c95e484 100644
--- a/app/backend/http/handler.py
+++ b/app/backend/http/handler.py
@@ -104,6 +104,13 @@ class HttpTransportMixin:
         except ValueError:
             self.send_error(HTTPStatus.FORBIDDEN)
             return
+        if candidate.is_dir():
+            candidate = (candidate / "index.html").resolve()
+            try:
+                candidate.relative_to(STATIC_DIR.resolve())
+            except ValueError:
+                self.send_error(HTTPStatus.FORBIDDEN)
+                return
         if not candidate.is_file():
             candidate = STATIC_DIR / "index.html"
         try:
diff --git a/app/frontend/index.html b/app/frontend/index.html
index 6fa118f..2d85bfa 100644
--- a/app/frontend/index.html
+++ b/app/frontend/index.html
@@ -16,7 +16,7 @@
       const autoMobile = window.matchMedia && window.matchMedia("(max-width: 720px)").matches;
       const mobileUA = /Android|iPhone|iPad|iPod|Mobile|Windows Phone/i.test(navigator.userAgent || "");
       if (!forcedDesktop && !alreadyMobile && (forcedMobile || autoMobile || mobileUA)) {
-        window.location.replace("/m/index.html" + window.location.search + window.location.hash);
+        window.location.replace("/m/" + window.location.search + window.location.hash);
       }
     })();
   </script>