- Added `kms export` and `kms import` commands to manage file-backed signing keys.
- Implemented `HandleKmsExportAsync` and `HandleKmsImportAsync` methods in CommandHandlers for exporting and importing key material.
- Introduced KmsPassphrasePrompt for secure passphrase input.
- Updated CLI architecture documentation to include new KMS commands.
- Enhanced unit tests for KMS export and import functionalities.
- Updated project references to include StellaOps.Cryptography.Kms library.
- Marked KMS interface implementation and CLI support tasks as DONE in the task board.
- Implemented tests for RancherHubConnector to validate fetching documents, handling errors, and managing state.
- Added tests for CsafExporter to ensure deterministic serialization of CSAF documents.
- Created tests for CycloneDX exporters and reconciler to verify correct handling of VEX claims and output structure.
- Developed OpenVEX exporter tests to confirm the generation of canonical OpenVEX documents and statement merging logic.
- Introduced Rust file caching and license scanning functionality, including a cache key structure and hash computation.
- Added sample Cargo.toml and LICENSE files for testing Rust license scanning functionality.
