💥 feat(agent)!: 添加主机监控代理首版

* 实现周期采集、快照缓存、本地 HTTP API 和主动上报

* 补齐 Linux 和 Windows 主机、网络、资源、进程和 TCP 采集

* 添加服务生命周期管理、配置加载、构建脚本和测试覆盖

BREAKING CHANGE: network.ips 拆分为 network.ipv4s 和 network.ipv6s。

scripts/build-linux.sh

@@ -0,0 +1,22 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")/.." && pwd)"
+OUT_DIR="${OUT_DIR:-${ROOT_DIR}/dist}"
+VERSION="${VERSION:-0.1.0}"
+GOOS_TARGET="${GOOS_TARGET:-linux}"
+GOARCH_TARGET="${GOARCH_TARGET:-amd64}"
+OUTPUT_NAME="${OUTPUT_NAME:-agent-${GOOS_TARGET}-${GOARCH_TARGET}}"
+
+mkdir -p "${OUT_DIR}"
+
+CGO_ENABLED="${CGO_ENABLED:-0}" \
+GOOS="${GOOS_TARGET}" \
+GOARCH="${GOARCH_TARGET}" \
+go build \
+  -trimpath \
+  -ldflags "-s -w -X main.version=${VERSION}" \
+  -o "${OUT_DIR}/${OUTPUT_NAME}" \
+  ./cmd/agent
+
+printf 'built %s\n' "${OUT_DIR}/${OUTPUT_NAME}"

scripts/build-windows.ps1

@@ -0,0 +1,22 @@
+$ErrorActionPreference = "Stop"
+
+$RootDir = Resolve-Path (Join-Path $PSScriptRoot "..")
+$OutDir = if ($env:OUT_DIR) { $env:OUT_DIR } else { Join-Path $RootDir "dist" }
+$Version = if ($env:VERSION) { $env:VERSION } else { "0.1.0" }
+$GoosTarget = if ($env:GOOS_TARGET) { $env:GOOS_TARGET } else { "windows" }
+$GoarchTarget = if ($env:GOARCH_TARGET) { $env:GOARCH_TARGET } else { "amd64" }
+$OutputName = if ($env:OUTPUT_NAME) { $env:OUTPUT_NAME } else { "agent-$GoosTarget-$GoarchTarget.exe" }
+
+New-Item -ItemType Directory -Force -Path $OutDir | Out-Null
+
+$env:CGO_ENABLED = if ($env:CGO_ENABLED) { $env:CGO_ENABLED } else { "0" }
+$env:GOOS = $GoosTarget
+$env:GOARCH = $GoarchTarget
+
+go build `
+  -trimpath `
+  -ldflags "-s -w -X main.version=$Version" `
+  -o (Join-Path $OutDir $OutputName) `
+  ./cmd/agent
+
+Write-Host "built $(Join-Path $OutDir $OutputName)"