Module metadata 

Project metadata store for Harn’s runtime state root.

Provides metadata_get, metadata_set, metadata_save, metadata_stale, and metadata_refresh_hashes builtins. Stores sharded JSON files by package root.

Resolution uses hierarchical inheritance: child directories inherit from parent directories, with overrides at each level.

Functions

register_metadata_builtins

Register metadata builtins on a VM.

register_scan_builtins

Register scan_directory builtin: native Rust file enumeration.