partner_supplier_ref_sequence

Purpose

This module adds a sequence for the supplier reference field on partners.

Features

res.partner: Automatically assigns a unique supplier reference to new supplier partners using a sequence.
res.partner: Generates a new supplier reference when copying a supplier partner.
res.partner: Sets the supplier reference when updating a partner to become a supplier if not already set.
res.partner: Makes the supplier reference field readonly to prevent manual changes.
ir.sequence: Defines a sequence for generating supplier references with 5-digit padding.