pub fn init_schema(conn: &Connection) -> Result<(), String>Expand description
Creates the vault and vault_audit tables if absent; adds hash-chain
columns to vault_audit via idempotent ALTER TABLE (errors silently ignored
on existing columns).
pub fn init_schema(conn: &Connection) -> Result<(), String>Creates the vault and vault_audit tables if absent; adds hash-chain
columns to vault_audit via idempotent ALTER TABLE (errors silently ignored
on existing columns).