* Revert "Revert "refactor: Replace std::sync::Mutex with parking_lot::Mutex for improved performance and consistency in multiple files" (#3990)"
This reverts commit 667844aa12.
* refactor: Manage lightweight state in the app setup and clean up unused proxy client code
* refactor: Move macOS-specific Manager import under conditional compilation
* feat: add benchmarking for draft operations and new draft management structure
* Refactor Config Access: Replace `latest()` with `latest_ref()` and `data()` with `data_mut()` in multiple files for improved mutability handling and consistency across the codebase.
* refactor: remove DraftNew implementation and related benchmarks for cleaner codebase