Preparing for releasing.

main.rb

@@ -2,7 +2,15 @@
 # usage: MINESENTINEL mainloop.
 # author: S.A.
 # time: 2026-06-07
-# license: All rights received.
+# Copyright (c) [2026] [S.A. SNOWARE-SCU]
+# [MineSentinel] is licensed under Mulan PubL v2.
+# You can use this software according to the terms and conditions of the Mulan PubL v2.
+# You may obtain a copy of Mulan PubL v2 at:
+#          http://license.coscl.org.cn/MulanPubL-2.0
+# THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
+# EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
+# MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
+# See the Mulan PubL v2 for more details.
 
 # main.rb 顶部添加
 begin
@@ -19,6 +27,22 @@ require_relative 'server_status_detector'
 
 MethodExecutor.record("info", "mainloop", "MineSentinel started, entering mainloop.")
 
+# 初次启动：MineSentinel 先于 minecraft 启动（systemd Before=），
+# 等待服务器端口就绪，避免误判为崩溃
+INITIAL_GRACE = 300  # 初次启动等待 300 秒
+MethodExecutor.record("info", "mainloop",
+  "Initial startup grace period #{INITIAL_GRACE}s — waiting for server to come up...")
+grace_deadline = Time.now + INITIAL_GRACE
+while Time.now < grace_deadline
+  sleep 5
+  if ServerStatusDetector::MinecraftServer.self_diag[:type]
+    MethodExecutor.record("info", "mainloop",
+      "Server port is open during grace period, resuming normal monitoring.")
+    break
+  end
+end
+MethodExecutor.record("info", "mainloop", "Grace period ended.")
+
 # Functional mainloop.
 def main
   chkrslt = ServerStatusDetector::MinecraftServer.self_diag
@@ -34,7 +58,7 @@ def main
         MethodExecutor.record("info", "mainloop", "Action: ForceResetServerProcess triggered.")
         MethodExecutor.reset_minecraft_server
         # 重启后等待服务器启动（MC服务器启动通常需要30秒~2分钟）
-        cooldown = 190 # 190秒冷却期
+        cooldown = 200 # 200秒冷却期
         MethodExecutor.record("info", "mainloop", "Cooling down #{cooldown}s for server startup...")
         sleep cooldown
         MethodExecutor.record("info", "mainloop", "Cooldown finished, resuming monitoring.")