Root cause: my @api.depends_context('fp_express_part_picker') decorator
on _compute_display_name was not honored by Odoo. Verified via odoo
shell — display_name returns the full 'PART (Rev X) — Name' regardless
of context. Reason: display_name is defined on the base Model class
and Odoo registers the field metadata (incl. _depends_context) when
the field is FIRST declared. Subclass redefinitions of the compute
method don't update _depends_context after the fact.
Workaround: don't rely on display_name context override. Instead,
overlay a custom span on top of the Many2OneField that shows JUST
the part_number_display value. CSS overlay uses:
- position: absolute / inset: 0
- background: $xpr-card (matches list row background)
- z-index: 2 over the picker
- pointer-events: none so clicks pass through to the picker
When the picker is focused (:focus-within parent), the overlay
hides so the user sees the autocomplete input value as they type.
When not focused, the overlay covers display_name with just the
part number.
Row 1 now reads 'ENG-1042 / B' — picker on the left (showing only
part_number_display), separator, revision on the right. Matches the
mockup pixel layout the user requested.
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