Residual amount on journal items

This module makes it easier to see how much of each journal item is still open. In the journal items list (the account.move.line list view), two new columns are added right after the currency amount: the residual amount in company currency and, for companies using multiple currencies, the residual amount in the line currency. Both columns are optional and can be shown or hidden, and they display a total at the bottom of the list.

The same columns are also added to the grouped journal items view, so you can see residual totals per group.

On the journal items search filters, the existing "Unreconciled" filter is adjusted to only show lines that are not reconciled, have a non-zero balance and belong to an account set up for reconciliation. Several new filters are added:

• Partial reconciled: lines that are not fully reconciled but already have some matching entries.
• Reconciled: lines marked as reconciled.
• Not Full Reconciled: lines with no full reconciliation, a non-zero balance and a reconcilable account.
• Full reconciled: lines that have a full reconciliation.

These filters help accountants quickly isolate open items, partially paid items and fully settled items without building custom searches. The module only changes views; it does not add new models or automatic computations.