Implement Nonce Request Interface for Diverse Client Types

[Obludka]

Implement Nonce Request Interface for Diverse Client Types

Original Task

Design Nonce Request Interface

Summary of Changes

Added a comprehensive nonce request interface that supports multiple client types with robust error handling and clear method definitions.

Acceptance Criteria

• Interface defines get_nonce() method with clear return and error types
• Abstract method includes provisions for different client types
• 100% code coverage for interface definition
• Interface documentation explains usage for each client type
• Unit tests validate interface contract and error handling

Tests

• Validate get_nonce() method signature
• Test error handling for different client types
• Ensure full coverage of interface methods
• Verify documentation completeness
• Check interface contract integrity