refactor(master): 移植 Agent 级智能依赖探测引擎，实现缺啥补啥的优雅部署，并增加二次复检熔断机制

master/install_master.sh

@@ -95,35 +95,61 @@ fi
 echo -e "\033[32m✅ 旧进程已肃清！\033[0m"
 # =======================================================================
 
-# 1. 环境依赖智能安装 (v3.6.0 兼容性升级: 支持 Alpine, Arch 等)
-echo -e "\n[1/4] 正在探测并安装核心依赖 (curl, jq, sqlite3, cron, procps)..."
+# 1. 依赖检查与智能安装 (v3.6.0 兼容性与优雅性升级)
+echo -e "\n[1/4] 正在探测核心依赖 (curl, jq, sqlite3, crontab, pgrep)..."
 
-if command -v apt-get >/dev/null 2>&1; then
-    # Debian / Ubuntu 系列
-    apt-get update -y >/dev/null 2>&1
-    apt-get install -y curl jq sqlite3 cron procps >/dev/null 2>&1
-    systemctl enable cron >/dev/null 2>&1 && systemctl start cron >/dev/null 2>&1
-elif command -v yum >/dev/null 2>&1 || command -v dnf >/dev/null 2>&1; then
-    # RHEL / CentOS / AlmaLinux 系列
-    PKG_MGR="yum"
-    command -v dnf >/dev/null 2>&1 && PKG_MGR="dnf"
-    $PKG_MGR install -y curl jq sqlite cronie procps-ng >/dev/null 2>&1
-    systemctl enable crond >/dev/null 2>&1 && systemctl start crond >/dev/null 2>&1
-elif command -v apk >/dev/null 2>&1; then
-    # Alpine Linux 系列
-    echo "Alpine 探测到系统类型为 Alpine Linux，正在执行轻量级安装..."
-    apk add --no-cache curl jq sqlite dcron procps bash >/dev/null 2>&1
-    mkdir -p /var/spool/cron/crontabs
-    rc-update add crond default >/dev/null 2>&1
-    service crond start >/dev/null 2>&1
-elif command -v pacman >/dev/null 2>&1; then
-    # Arch Linux 系列
-    pacman -Sy --noconfirm curl jq sqlite cronie procps-ng >/dev/null 2>&1
-    mkdir -p /root/.cache/crontab 2>/dev/null
-    systemctl enable cronie >/dev/null 2>&1 && systemctl start cronie >/dev/null 2>&1
-else
-    echo -e "\033[33m⚠️ 未知系统，请确保已手动安装 curl, jq, sqlite3, crontab 和 pgrep。\033[0m"
+REQUIRED_CMDS=("curl" "jq" "sqlite3" "crontab" "pgrep")
+MISSING_CMDS=()
+
+# 基础探测：预检查缺失的命令
+for cmd in "${REQUIRED_CMDS[@]}"; do
+    if ! command -v "$cmd" >/dev/null 2>&1; then
+        MISSING_CMDS+=("$cmd")
+    fi
+done
+
+# 如果有缺失，才执行包管理器拉取逻辑
+if [ ${#MISSING_CMDS[@]} -gt 0 ]; then
+    echo "⏳ 发现缺失依赖: ${MISSING_CMDS[*]}，正在尝试自动补齐..."
+    
+    if command -v apt-get >/dev/null 2>&1; then
+        apt-get update -y >/dev/null 2>&1
+        apt-get install -y curl jq sqlite3 cron procps >/dev/null 2>&1
+        systemctl enable cron >/dev/null 2>&1 && systemctl start cron >/dev/null 2>&1
+    elif command -v yum >/dev/null 2>&1 || command -v dnf >/dev/null 2>&1; then
+        PKG_MGR="yum"
+        command -v dnf >/dev/null 2>&1 && PKG_MGR="dnf"
+        $PKG_MGR install -y curl jq sqlite cronie procps-ng >/dev/null 2>&1
+        systemctl enable crond >/dev/null 2>&1 && systemctl start crond >/dev/null 2>&1
+    elif command -v apk >/dev/null 2>&1; then
+        echo "Alpine 探测到系统类型为 Alpine Linux，正在执行轻量级安装..."
+        apk add --no-cache curl jq sqlite dcron procps bash >/dev/null 2>&1
+        mkdir -p /var/spool/cron/crontabs
+        rc-update add crond default >/dev/null 2>&1
+        service crond start >/dev/null 2>&1
+    elif command -v pacman >/dev/null 2>&1; then
+        pacman -Sy --noconfirm curl jq sqlite cronie procps-ng >/dev/null 2>&1
+        mkdir -p /root/.cache/crontab 2>/dev/null
+        systemctl enable cronie >/dev/null 2>&1 && systemctl start cronie >/dev/null 2>&1
+    else
+        echo -e "\033[31m❌ 自动安装失败：系统未知的包管理器。\033[0m"
+        echo -e "\033[33m⚠️ 请手动执行以下安装命令后重新运行本脚本：\033[0m"
+        echo -e "  Debian/Ubuntu: \033[36mapt-get update && apt-get install -y curl jq sqlite3 cron procps\033[0m"
+        echo -e "  CentOS/RHEL:   \033[36myum install -y curl jq sqlite cronie procps-ng\033[0m"
+        echo -e "  Alpine Linux:  \033[36mapk add --no-cache curl jq sqlite dcron procps bash\033[0m"
+        exit 1
+    fi
+    
+    # 安装后二次复检
+    for cmd in "${REQUIRED_CMDS[@]}"; do
+        if ! command -v "$cmd" >/dev/null 2>&1; then
+            echo -e "\033[31m❌ 致命错误：核心命令 '$cmd' 仍未找到！\033[0m"
+            echo -e "请手动修复您的包管理器源，或联系 VPS 供应商。"
+            exit 1
+        fi
+    done
 fi
+echo -e "\033[32m✅ 基础环境检测通过。\033[0m"
 
 mkdir -p "$MASTER_DIR"