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/reporter/reporter_test.go

@@ -14,18 +14,18 @@ import (
 	"mfd-monitor-agent/internal/status"
 )
 
-// StaticProvider is a test provider with a fixed cached snapshot.
+// StaticProvider 是用于测试的固定缓存快照提供者。
 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
 }
 
-// TestReportPostsHostStatusJSON verifies reports reuse the HostStatus JSON payload.
+// TestReportPostsHostStatusJSON 验证上报复用 HostStatus JSON 载荷。
 func TestReportPostsHostStatusJSON(t *testing.T) {
 	var got status.HostStatus
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
@@ -52,7 +52,7 @@ func TestReportPostsHostStatusJSON(t *testing.T) {
 	}
 }
 
-// TestReportReturnsErrorForHTTPFailure verifies non-2xx responses fail one report.
+// TestReportReturnsErrorForHTTPFailure 验证非 2xx 响应导致单次上报失败。
 func TestReportReturnsErrorForHTTPFailure(t *testing.T) {
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
 		w.WriteHeader(http.StatusInternalServerError)
@@ -65,7 +65,7 @@ func TestReportReturnsErrorForHTTPFailure(t *testing.T) {
 	}
 }
 
-// TestRunRetriesFailedReportOnce verifies the loop retries one failed report.
+// TestRunRetriesFailedReportOnce 验证循环对失败上报重试一次。
 func TestRunRetriesFailedReportOnce(t *testing.T) {
 	var requests atomic.Int32
 	server := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, _ *http.Request) {
@@ -99,7 +99,7 @@ func TestRunRetriesFailedReportOnce(t *testing.T) {
 	<-done
 }
 
-// TestRunStopsDuringRetryDelayWhenContextCanceled verifies retry waits honor cancellation.
+// TestRunStopsDuringRetryDelayWhenContextCanceled 验证重试等待可被 ctx 取消。
 func TestRunStopsDuringRetryDelayWhenContextCanceled(t *testing.T) {
 	var requests atomic.Int32
 	firstRequest := make(chan struct{})