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Updated changelog with breaking changes and new features.

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Merge pull request #1 from SwiftedMind/develop

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✨ feat: implement comprehensive network request/response logging

- Add NetworkLog utility for HTTP request and response logging
- Integrate logging into HTTPClient for all network operations
- Add public API in AgentConfiguration to enable/disable network logging
- Log requests, responses, and retry attempts for better debugging
- Support configurable logging through main actor API

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