feat: 更新singbox.sh

CLAUDE.md

@@ -6,7 +6,7 @@ This file provides guidance to Claude Code (claude.ai/code) when working with co
 
 Personal collection of self-use shell scripts (个人收藏的自用脚本). Each top-level directory is an independent script project — there is no shared build system, package manager, test suite, or CI. Editing happens on Windows; the scripts themselves are deployed and executed on Linux VPS targets.
 
-**Repo URL:** `https://git.suhang.me/suhang/scripts`. When writing docs/READMEs that contain `wget` / `curl` one-liners to fetch a script onto a server, point them at this repo's raw URL (e.g. `https://git.suhang.me/suhang/scripts/raw/branch/main/singbox/singbox.sh`) rather than upstream third-party URLs. This way users get the version actually maintained here.
+**Repo URL:** `https://git.suhang.me/suhang/scripts`. **Default branch is `release`** (not `main`). When writing docs/READMEs that contain `wget` / `curl` one-liners to fetch a script onto a server, point them at this repo's raw URL on the `release` branch (e.g. `https://git.suhang.me/suhang/scripts/raw/branch/release/singbox/singbox.sh`) rather than upstream third-party URLs. This way users get the version actually maintained here.
 
 ## Layout