This fix prevents an error that could occur when preparing contract documents for signature. It helps ensure the HR contract signing workflow continues reliably when assigning signing roles.

Data is constructed with 'role' but 'role_id' is used as a key right
after.

Receipt scanning for expenses now sets a date even when the automated extraction service cannot detect one. This helps avoid incomplete expense records and reduces manual cleanup for employees and accounting teams.

task - 2768700