Module hash 

SHA-256 file hashing for cache invalidation

Provides content-based hashing for detecting file changes. Uses SHA-256 for cryptographic strength and collision resistance.

Functions

hash_content

Hash content using SHA-256 and return hex string

hash_file

Hash a file’s content using SHA-256

hash_parts

Compute hash from multiple content parts (for composite hashing)

verify_hash

Verify if content matches expected hash