errorlint 12→1：3 处 cmd 入口 err!=context.Canceled→errors.Is（防御性，当前 runner 不 wrap 语义不变）；2 处 strconv.NumError 断言、1 处 viper 断言、2 处 ==io.EOF、2 处 ==redis.Nil、1 处 ==gorm.ErrRecordNotFound→errors.As/Is；8 处 %v→%w 保留错误链。刻意保留 telegram.go 单处 %v（原始错误仅作上下文文本，wrap 会改变 errors.Is 匹配语义）。

Result: {"status":"keep","total_issues":22,"golint_canonicalheader":0,"golint_errname":1,"golint_errorlint":1,"golint_forcetypeassert":3,"golint_gosec":0,"golint_intrange":0,"golint_modernize":3,"golint_nilnil":3,"golint_perfsprint":0,"golint_prealloc":3,"golint_recvcheck":7,"golint_usestdlibvars":0,"golint_wastedassign":0,"golint_total":21,"eslint_problems":1,"eslint_errors":0,"eslint_warnings":1,"tsc_errors":0,"measure_s":46}

cmd/flared/main.go

@@ -3,6 +3,7 @@ package main
 
 import (
 	"context"
+	"errors"
 	"flag"
 	"log/slog"
 	"os"
@@ -63,7 +64,7 @@ func main() {
 
 	slog.Info("flared process started")
 
-	if err := runner.Run(ctx); err != nil && err != context.Canceled {
+	if err := runner.Run(ctx); err != nil && !errors.Is(err, context.Canceled) {
 		slog.Error("flared process exited with error", "error", err)
 		stop()
 		os.Exit(1)