chore: 战略撤退，代码全量回滚至 9a38fb6 (PR 引入前的纯净状态)

master/tg_master.sh

@@ -267,13 +267,7 @@ while true; do
                     # 抛出幽灵进程进行脱壳升级，传递静默变量与回执 ID
                     export SILENT_MASTER_OTA="true"
                     export OTA_CHAT_ID="$CHAT_ID"
-                    
-                    # [修复] 逃逸 Systemd Cgroup，防止被同归于尽机制误杀
-                    if command -v systemd-run >/dev/null 2>&1; then
-                        systemd-run --quiet --no-block /bin/bash /tmp/install_master.sh
-                    else
-                        nohup bash /tmp/install_master.sh >/dev/null 2>&1 & disown
-                    fi
+                    nohup bash /tmp/install_master.sh >/dev/null 2>&1 & disown
                     
                     # 当前旧进程休眠并等待被幽灵进程处决
                     sleep 10