重构: 移除 deploy/ 下的 agent 模板副本

Go embed 不能跨模块根引用，server/internal/installscript/templates/
已是唯一真源；deploy/*.tmpl 属于死代码，避免未来维护双份。

deploy/agent-compose.yml.tmpl

@@ -1,13 +0,0 @@
-# BackupX Agent docker-compose 片段
-# 生成于 {{.MasterURL}} · 节点 ID {{.NodeID}}
-version: "3.8"
-services:
-  backupx-agent:
-    image: awuqing/backupx:{{.AgentVersion}}
-    command: ["agent"]
-    restart: unless-stopped
-    environment:
-      BACKUPX_AGENT_MASTER: "{{.MasterURL}}"
-      BACKUPX_AGENT_TOKEN: "{{.AgentToken}}"
-    volumes:
-      - /var/lib/backupx-agent:/tmp/backupx-agent

deploy/agent-install.sh.tmpl

@@ -1,108 +0,0 @@
-#!/bin/sh
-# BackupX Agent 一键安装脚本（由 Master 动态渲染）
-# 模式: {{.Mode}} | 架构: {{.Arch}} | 版本: {{.AgentVersion}}
-set -eu
-
-MASTER_URL="{{.MasterURL}}"
-AGENT_TOKEN="{{.AgentToken}}"
-AGENT_VERSION="{{.AgentVersion}}"
-DOWNLOAD_BASE="{{.DownloadBase}}"
-INSTALL_PREFIX="{{.InstallPrefix}}"
-ARCH="{{.Arch}}"
-
-# 1. 前置检查
-[ "$(id -u)" -eq 0 ] || { echo "请使用 root 或 sudo 执行" >&2; exit 1; }
-command -v curl >/dev/null || command -v wget >/dev/null \
-    || { echo "需要 curl 或 wget" >&2; exit 1; }
-{{if eq .Mode "systemd"}}command -v systemctl >/dev/null || { echo "不支持非 systemd 系统" >&2; exit 1; }
-{{end}}{{if eq .Mode "docker"}}command -v docker >/dev/null || { echo "需要先安装 docker" >&2; exit 1; }
-{{end}}
-# 2. 架构检测
-if [ "$ARCH" = "auto" ]; then
-    case "$(uname -m)" in
-        x86_64|amd64)  ARCH=amd64 ;;
-        aarch64|arm64) ARCH=arm64 ;;
-        *) echo "不支持的架构: $(uname -m)" >&2; exit 1 ;;
-    esac
-fi
-
-{{if ne .Mode "docker"}}
-# 3. 下载二进制（systemd / foreground 模式）
-ARCHIVE="backupx-${AGENT_VERSION}-linux-${ARCH}.tar.gz"
-URL="${DOWNLOAD_BASE}/${AGENT_VERSION}/${ARCHIVE}"
-TMPDIR="$(mktemp -d)"; trap 'rm -rf "$TMPDIR"' EXIT
-echo "[1/4] 下载 ${URL}"
-if command -v curl >/dev/null; then
-    curl -fsSL "$URL" -o "$TMPDIR/pkg.tar.gz"
-else
-    wget -qO "$TMPDIR/pkg.tar.gz" "$URL"
-fi
-tar xzf "$TMPDIR/pkg.tar.gz" -C "$TMPDIR"
-
-# 4. 安装二进制 + 用户
-echo "[2/4] 安装到 ${INSTALL_PREFIX}"
-id backupx >/dev/null 2>&1 || useradd --system --home-dir "$INSTALL_PREFIX" --shell /usr/sbin/nologin backupx
-install -d -o backupx -g backupx "$INSTALL_PREFIX" /var/lib/backupx-agent
-install -m 0755 "$TMPDIR/backupx-${AGENT_VERSION}-linux-${ARCH}/backupx" "$INSTALL_PREFIX/backupx"
-{{end}}
-
-{{if eq .Mode "systemd"}}
-# 5. systemd unit
-echo "[3/4] 配置 systemd"
-cat > /etc/systemd/system/backupx-agent.service <<UNIT
-[Unit]
-Description=BackupX Agent
-After=network-online.target
-Wants=network-online.target
-
-[Service]
-Type=simple
-User=backupx
-Environment="BACKUPX_AGENT_MASTER=${MASTER_URL}"
-Environment="BACKUPX_AGENT_TOKEN=${AGENT_TOKEN}"
-ExecStart=${INSTALL_PREFIX}/backupx agent --temp-dir /var/lib/backupx-agent
-Restart=on-failure
-RestartSec=10s
-NoNewPrivileges=true
-
-[Install]
-WantedBy=multi-user.target
-UNIT
-systemctl daemon-reload
-systemctl enable --now backupx-agent
-
-# 6. 等待上线
-echo "[4/4] 等待节点上线"
-for i in $(seq 1 15); do
-    sleep 2
-    if curl -fsSL -H "X-Agent-Token: ${AGENT_TOKEN}" "${MASTER_URL}/api/v1/agent/self" 2>/dev/null \
-        | grep -q '"status":"online"'; then
-        echo "✓ 节点已上线"
-        exit 0
-    fi
-done
-echo "⚠ 30s 内未收到上线心跳，请检查防火墙或 journalctl -u backupx-agent"
-exit 2
-{{end}}
-
-{{if eq .Mode "foreground"}}
-# 5. 前台运行
-echo "[3/3] 前台启动 agent（Ctrl+C 退出）"
-export BACKUPX_AGENT_MASTER="${MASTER_URL}"
-export BACKUPX_AGENT_TOKEN="${AGENT_TOKEN}"
-exec "${INSTALL_PREFIX}/backupx" agent --temp-dir /var/lib/backupx-agent
-{{end}}
-
-{{if eq .Mode "docker"}}
-# Docker 模式：直接用镜像启动容器
-echo "[1/2] 拉取镜像 awuqing/backupx:${AGENT_VERSION}"
-docker pull "awuqing/backupx:${AGENT_VERSION}"
-echo "[2/2] 启动容器 backupx-agent"
-docker rm -f backupx-agent >/dev/null 2>&1 || true
-docker run -d --name backupx-agent --restart=unless-stopped \
-    -e "BACKUPX_AGENT_MASTER=${MASTER_URL}" \
-    -e "BACKUPX_AGENT_TOKEN=${AGENT_TOKEN}" \
-    -v /var/lib/backupx-agent:/tmp/backupx-agent \
-    "awuqing/backupx:${AGENT_VERSION}" agent
-echo "✓ 容器已启动"
-{{end}}