Module session 

Structs

SessionRecord

A session record stored in the vault (only the HMAC of the token is stored, not the token itself).

Functions

generate_session_id

Generate a short unique session ID.

generate_token

Generate a session token and its HMAC. Returns (token_string, hmac_bytes).

parse_ttl

Parse a duration string like “1h”, “30m”, “7d”.

validate_token

Validate a token against stored session records. Returns the matching session record if valid.