feat(cloudrequestlog): migrate CodeToLevel to slog

BREAKING CHANGE: The API now returns a slog.Level instead of
zapcore.Level.

cloudrequestlog/codetolevel.go

@@ -3,39 +3,11 @@ package cloudrequestlog
 import (
 	"log/slog"
 
-	"go.uber.org/zap"
-	"go.uber.org/zap/zapcore"
 	"google.golang.org/grpc/codes"
 )
 
-// CodeToLevel returns the default [zapcore.Level] for requests with the provided [codes.Code].
-// Deprecated: Zap has been replaced by slog.
-func CodeToLevel(code codes.Code) zapcore.Level {
-	switch code {
-	case codes.OK:
-		return zap.InfoLevel
-	case
-		codes.NotFound,
-		codes.InvalidArgument,
-		codes.AlreadyExists,
-		codes.FailedPrecondition,
-		codes.Unauthenticated,
-		codes.PermissionDenied,
-		codes.DeadlineExceeded,
-		codes.OutOfRange,
-		codes.Canceled,
-		codes.Aborted,
-		codes.Unavailable,
-		codes.ResourceExhausted,
-		codes.Unimplemented:
-		return zap.WarnLevel
-	default:
-		return zap.ErrorLevel
-	}
-}
-
 // CodeToLevel returns the default [slog.Level] for requests with the provided [codes.Code].
-func codeToLevel(code codes.Code) slog.Level {
+func CodeToLevel(code codes.Code) slog.Level {
 	switch code {
 	case codes.OK:
 		return slog.LevelInfo

cloudrequestlog/middleware.go

@@ -226,7 +226,7 @@ func (l *Middleware) codeToLevel(code codes.Code) slog.Level {
 	if level, ok := l.Config.CodeToLevel[code]; ok {
 		return level
 	}
-	return codeToLevel(code)
+	return CodeToLevel(code)
 }
 
 func (l *Middleware) statusToLevel(status int) slog.Level {