docs(agent): 统一中文注释并补充部署文档

将代码与测试注释改为中文以符合仓库规范；新增中文部署指南、
示例配置，并完善构建脚本对 VERSION 注入的说明。

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/httpapi/server.go

@@ -7,24 +7,24 @@ import (
 	"mfd-monitor-agent/internal/status"
 )
 
-// Provider supplies the latest cached HostStatus to HTTP handlers.
+// Provider 向 HTTP 处理器提供最新缓存的 HostStatus。
 type Provider interface {
-	// Get returns the latest snapshot and whether a snapshot is ready.
+	// Get 返回最新快照及快照是否已就绪。
 	Get() (status.HostStatus, bool)
 }
 
-// StaticProvider is a test provider with a fixed snapshot response.
+// StaticProvider 是用于测试的固定快照提供者。
 type StaticProvider struct {
 	Snapshot status.HostStatus
 	OK       bool
 }
 
-// Get returns the configured static snapshot and readiness flag.
+// Get 返回配置的静态快照与就绪标志。
 func (p StaticProvider) Get() (status.HostStatus, bool) {
 	return p.Snapshot, p.OK
 }
 
-// New creates the HTTP API handler for health and status endpoints.
+// New 创建提供 health 与 status 端点的 HTTP API 处理器。
 func New(provider Provider) http.Handler {
 	mux := http.NewServeMux()
 	mux.HandleFunc("/health", func(w http.ResponseWriter, r *http.Request) {
@@ -61,7 +61,7 @@ func New(provider Provider) http.Handler {
 	return mux
 }
 
-// writeJSON serializes value as JSON with a response status code.
+// writeJSON 以给定状态码将 value 序列化为 JSON 响应。
 func writeJSON(w http.ResponseWriter, code int, value any) {
 	w.Header().Set("Content-Type", "application/json")
 	w.WriteHeader(code)