test(ipc): add comprehensive unit tests for route and channel

- Test route (single producer, multiple consumer) functionality
- Test channel (multiple producer, multiple consumer) functionality
- Test construction with name and prefix
- Test connection, disconnection, and reconnection
- Test send/receive with buffer, string, and raw data
- Test blocking send/recv and non-blocking try_send/try_recv
- Test timeout handling
- Test one-to-many broadcast (route)
- Test many-to-many communication (channel)
- Test recv_count and wait_for_recv functionality
- Test clone, release, and clear operations
- Test resource cleanup and storage management
- Test concurrent multi-sender and multi-receiver scenarios

Author: mutouyun