- Define GrpcPortOffset constant (10000) to replace magic numbers throughout
the code for better maintainability and consistency
- Extract bindIp determination logic into getBindIp() helper function
to eliminate code duplication between runMini and startMiniServices
- Remove redundant 'calculatedPort = calculatedPort' assignment that had no effect
- Update all gRPC port calculations to use GrpcPortOffset constant
(lines 489, 886 and the error logging at line 501)