* Fix release workflow: Python compatibility issues
- Linux: Add --find-interpreter for cross-compilation
- macOS/Windows: Pin Python to 3.12 (PyO3 0.20.3 max supported)
* Fix Linux release: limit Python versions to 3.10-3.12
PyO3 0.20.3 only supports up to Python 3.12. Using --find-interpreter detected Python 3.13/3.14 in the manylinux container which caused build failures.
* Fix CI workflow: use correct rust-toolchain action
* Fix CI: resolve Rust compilation and formatting issues
- Fix rust-toolchain action name in CI workflow
- Add missing Direction import in test modules
- Add missing entry_fees argument to open_position test calls
- Comment out nightly-only rustfmt options
- Auto-format code with cargo fmt
vatsal