Module cache 

Caching utilities for CLI performance optimization.

This module provides caching for expensive operations like:

• Cargo metadata results
• Runner binary staleness detection via content hashing

Structs

MetadataCache

Cache of cargo metadata results.

RunnerCache

Runner binary cache tracking which content hashes it was built with.

Functions

compute_content_hash

Compute blake3 hash of all .rs files in a source directory, plus the i18n.toml file.