后台 goroutine panic 防护：新增 pkg/util.Go 共享助手（recover+调用点日志），全仓 22 个裸 go func() 站点统一收口

Result: {"status":"keep","total_issues":8,"eslint_errors":0,"eslint_problems":0,"eslint_warnings":0,"golint_canonicalheader":0,"golint_errname":0,"golint_errorlint":1,"golint_exhaustive":0,"golint_forcetypeassert":0,"golint_gosec":0,"golint_intrange":0,"golint_modernize":3,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":0,"golint_recvcheck":1,"golint_test_testifylint":0,"golint_test_thelper":0,"golint_test_total":0,"golint_test_usetesting":0,"golint_total":8,"golint_usestdlibvars":0,"golint_vetx_total":0,"golint_wastedassign":0,"measure_s":112,"tsc_errors":0,"vitest_failed":0,"vitest_total":126}

pkg/push/email.go

@@ -10,6 +10,8 @@ import (
 	"net"
 	"net/smtp"
 	"strings"
+
+	"github.com/Rain-kl/Wavelet/pkg/util"
 )
 
 func init() {
@@ -86,9 +88,9 @@ func (p *EmailPusher) Send(ctx context.Context, cfg Config, target string, body
 
 	// 异步超时处理
 	errChan := make(chan error, 1)
-	go func() {
+	util.Go(func() {
 		errChan <- smtp.SendMail(host+":"+port, auth, from, []string{to}, msg)
-	}()
+	})
 
 	select {
 	case <-ctx.Done():