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

services/audit/internal/api/server.go

@@ -2,6 +2,7 @@
 package api
 
 import (
+	"math"
 	"context"
 
 	auditv1 "git.dcentral.systems/toolz/goplt/api/proto/generated/audit/v1"
@@ -118,8 +119,12 @@ func (s *Server) Query(ctx context.Context, req *auditv1.QueryRequest) (*auditv1
 		})
 	}
 
+	total := len(protoEntries)
+	if total > math.MaxInt32 {
+		total = math.MaxInt32
+	}
 	return &auditv1.QueryResponse{
 		Entries: protoEntries,
-		Total:   int32(len(protoEntries)), // Note: This is a simplified total, actual total would require a count query
+		Total:   int32(total), // Note: This is a simplified total, actual total would require a count query
 	}, nil
 }