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## Summary by CodeRabbit

- **New Features**
- Introduced a new field, `StartingOrchestratorSeqNum`, in the handshake
response to enhance information during node registration.
- **Bug Fixes**
- Improved assertions in testing to ensure correct handling of sequence
numbers for both new and reconnecting nodes during handshakes.
- **Documentation**
- Updated comments and logging statements for clarity and consistency
regarding the handshake process.

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