feat: add panel entry script

panel-start.sh

@@ -0,0 +1,64 @@
+#!/bin/sh
+set -eu
+
+# 面板入口脚本：适合“面板固定执行 start.sh，但只能上传文件/编辑文件”的环境。
+# 用法：
+# 1. 下载本文件
+# 2. 上传到面板，并按需要重命名为面板要求的固定入口名（通常就是 start.sh）
+# 3. 修改下面几个变量
+# 4. 点击运行
+
+REPO_URL="${REPO_URL:-https://gitea.service.jazzwhom.top/Passthem/pt-minecraft-modpack}"
+REPO_REF="${REPO_REF:-main}"
+PT_SERVER="${PT_SERVER:-server-01-random-block}"
+INSTALL_DIR="${INSTALL_DIR:-$(pwd)/pt-minecraft-modpack}"
+ARCHIVE_PATH="${ARCHIVE_PATH:-$(pwd)/pt-minecraft-modpack.tar.gz}"
+TMP_DIR="${TMP_DIR:-$(pwd)/pt-minecraft-modpack.__tmp}"
+PT_JAVA_ARGS="${PT_JAVA_ARGS:--Xms1G -Xmx1G}"
+
+log() {
+  printf '[panel-entry] %s\n' "$*"
+}
+
+fail() {
+  printf '[panel-entry] ERROR: %s\n' "$*" >&2
+  exit 1
+}
+
+need_cmd() {
+  command -v "$1" >/dev/null 2>&1 || fail "缺少命令: $1"
+}
+
+need_cmd sh
+need_cmd tar
+need_cmd find
+
+rm -rf "$TMP_DIR"
+mkdir -p "$TMP_DIR"
+
+log "下载仓库归档: $REPO_URL ($REPO_REF)"
+if command -v curl >/dev/null 2>&1; then
+  curl -fL --retry 3 --retry-delay 2 -o "$ARCHIVE_PATH" "$REPO_URL/archive/$REPO_REF.tar.gz"
+elif command -v wget >/dev/null 2>&1; then
+  wget -O "$ARCHIVE_PATH" "$REPO_URL/archive/$REPO_REF.tar.gz"
+else
+  fail "缺少 curl 或 wget"
+fi
+
+log "解压仓库归档"
+tar -xzf "$ARCHIVE_PATH" -C "$TMP_DIR"
+
+EXTRACTED_DIR="$(find "$TMP_DIR" -mindepth 1 -maxdepth 1 -type d | head -n 1)"
+[ -n "$EXTRACTED_DIR" ] || fail "解压失败"
+
+rm -rf "$INSTALL_DIR"
+mv "$EXTRACTED_DIR" "$INSTALL_DIR"
+rm -rf "$TMP_DIR" "$ARCHIVE_PATH"
+
+cd "$INSTALL_DIR"
+log "调用仓库内 start.sh"
+PT_REPO_URL="$REPO_URL" \
+PT_REPO_REF="$REPO_REF" \
+PT_SERVER="$PT_SERVER" \
+PT_JAVA_ARGS="$PT_JAVA_ARGS" \
+bash ./start.sh