Sale Order Line Tag

This module adds a tagging system to the lines of a sales order, so each line can be classified separately.

• On a sales order form, a new Tags column appears in the order lines list, next to the invoiced quantity. You can pick one or more existing tags per line.
• The same Tags field is also shown on the standalone sales order line list and on the read-only sales order line form.
• Tags are chosen from a list you maintain yourself; the field is set so users cannot create new tags directly from the sales order screen.
• A new menu, Sales Order Line Tags, is added under the Sales configuration menu. There you can create, edit and delete the tags, each of which has a required name.
• Access is controlled: salespeople can only read the tag list, while sales managers can create, change and delete tags.

The module touches the sales order line model (sale.order.line) by adding a Tags field, and introduces a new tag model (sale.order.line.tag). It does not add any automatic checks, computations or emails; it is purely a classification tool.