fix(lint): fix all linting errors

- Check BindEnv return values in config.go
- Add bounds checks for int->int32/uint32 conversions to prevent overflow
- Remove unused test helper functions

internal/client/grpc/audit_client.go

@@ -4,6 +4,7 @@ package grpc
 import (
 	"context"
 	"fmt"
+	"math"
 
 	auditv1 "git.dcentral.systems/toolz/goplt/api/proto/generated/audit/v1"
 	"git.dcentral.systems/toolz/goplt/pkg/registry"
@@ -86,9 +87,17 @@ func (c *AuditClient) Query(ctx context.Context, filters *services.AuditLogFilte
 		return nil, err
 	}
 
+	limit := filters.Limit
+	if limit > math.MaxInt32 {
+		limit = math.MaxInt32
+	}
+	offset := filters.Offset
+	if offset > math.MaxInt32 {
+		offset = math.MaxInt32
+	}
 	req := &auditv1.QueryRequest{
-		Limit:  int32(filters.Limit),
-		Offset: int32(filters.Offset),
+		Limit:  int32(limit),
+		Offset: int32(offset),
 	}
 
 	if filters.UserID != nil {