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}

pkg/cap/store.go

@@ -5,6 +5,7 @@ package cap
 
 import (
 	"context"
+	"errors"
 	"sync"
 	"time"
 
@@ -149,7 +150,7 @@ func NewRedisStore(client redis.UniversalClient) *RedisStore {
 // Get 从 RedisStore 获取指定 key 的值
 func (s *RedisStore) Get(ctx context.Context, key string) (string, bool, error) {
 	val, err := s.client.Get(ctx, key).Result()
-	if err == redis.Nil {
+	if errors.Is(err, redis.Nil) {
 		return "", false, nil
 	}
 	if err != nil {
@@ -176,7 +177,7 @@ func (s *RedisStore) SetNX(ctx context.Context, key string, val string, ttl time
 // GetAndDelete wraps Redis GETDEL (available since Redis 6.2).
 func (s *RedisStore) GetAndDelete(ctx context.Context, key string) (string, bool, error) {
 	val, err := s.client.GetDel(ctx, key).Result()
-	if err == redis.Nil {
+	if errors.Is(err, redis.Nil) {
 		return "", false, nil
 	}
 	if err != nil {

pkg/pagesarchive/extract.go

@@ -177,7 +177,7 @@ func extractTarReader(
 	measured := &measuredArchive{files: make([]measuredFile, 0)}
 	for {
 		header, err := tarReader.Next()
-		if err == io.EOF {
+		if errors.Is(err, io.EOF) {
 			break
 		}
 		if err != nil {

pkg/pagesarchive/inspect.go

@@ -154,7 +154,7 @@ func scanTarReader(tarReader *tar.Reader, limits Limits, enforceLimits bool) (*m
 	measured := &measuredArchive{files: make([]measuredFile, 0)}
 	for {
 		header, err := tarReader.Next()
-		if err == io.EOF {
+		if errors.Is(err, io.EOF) {
 			break
 		}
 		if err != nil {