modernize 37→5（-32）：interface{}→any、内置 max/min、slices/maps 辅助、strings.Cut/SplitSeq、strings.Builder（修复 mail.go O(n²) 拼接）。逐 hunk 核对语义等价；omitzero 冲突修复被自动跳过（wire 格式不变）；手动清 4 处遗留 sort import + 2 处 QF1012。

Result: {"status":"keep","total_issues":74,"golint_canonicalheader":8,"golint_errname":1,"golint_errorlint":12,"golint_forcetypeassert":3,"golint_gosec":0,"golint_intrange":3,"golint_modernize":5,"golint_nilnil":3,"golint_perfsprint":18,"golint_prealloc":3,"golint_recvcheck":7,"golint_usestdlibvars":3,"golint_wastedassign":7,"golint_total":73,"eslint_problems":1,"eslint_errors":0,"eslint_warnings":1,"tsc_errors":0,"measure_s":38}

internal/apps/oauth/auth_source_resolver.go

@@ -6,6 +6,7 @@ package oauth
 import (
 	"context"
 	"errors"
+	"slices"
 	"strings"
 
 	"github.com/Rain-kl/Wavelet/internal/model"
@@ -109,10 +110,5 @@ func buildOAuthConfig(ctx context.Context, source *model.AuthSource, redirectURL
 }
 
 func containsScope(scopes []string, scope string) bool {
-	for _, item := range scopes {
-		if item == scope {
-			return true
-		}
-	}
-	return false
+	return slices.Contains(scopes, scope)
 }