0.22.0
- Added generic map key support for string and int in FScript.
- Kept {} polymorphic and inference-driven, so it resolves by usage.
- Updated map indexer, map pattern matching, and map spread typing to work with typed keys.
- Added validation errors for unsupported map key types.
- Updated tests and samples behavior accordingly; full test suite and smoke tests pass.
- Updated documentation.
Full Changelog: 0.21.0...0.22.0