fix(configurator): Part cell row 1 shows part# / rev separately via CSS overlay

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.

fusion_plating/fusion_plating_configurator/static/src/js/express_part_cell.js

@@ -34,6 +34,14 @@ export class FpExpressPartCell extends Component {
         return !!this.props.record.data.part_catalog_id;
     }
 
+    get partNumber() {
+        return this.props.record.data.part_number_display || "";
+    }
+
+    get partRev() {
+        return this.props.record.data.part_revision_display || "";
+    }
+
     get partName() {
         return this.props.record.data.part_name_editable || "";
     }

fusion_plating/fusion_plating_configurator/static/src/scss/express_order.scss

@@ -547,11 +547,20 @@
         .o_fp_xpr_part_id {
             font-weight: 600;
             font-size: 13px;
+            display: flex;
+            align-items: baseline;
+            gap: 4px;
 
-            // The embedded Many2OneField input — strip its chrome so it
-            // looks like inline-bold text. Restore the dropdown affordance
-            // on hover/focus.
+            // The picker + overlay container
+            .o_fp_xpr_part_picker_wrap {
+                position: relative;
+                flex: 1;
+                min-width: 0;
+            }
+
+            // Strip Many2OneField chrome to inline-bold-text
             .o_field_widget,
+            .o_field_widget > div,
             .o_field_widget input,
             .o_field_many2one input {
                 border: none;
@@ -559,21 +568,48 @@
                 padding: 1px 4px;
                 font-weight: 600;
                 font-size: 13px;
-                color: $xpr-text;
+                color: $xpr-accent;
+                width: 100%;
             }
             .o_field_widget input:focus {
                 background: $xpr-cell-focus;
                 outline: none;
             }
+
+            // OVERLAY — shown when picker not focused; hides display_name
+            // and shows just part_number_display
+            .o_fp_xpr_part_num_overlay {
+                position: absolute;
+                inset: 0;
+                background: $xpr-card;
+                z-index: 2;
+                pointer-events: none;
+                padding: 1px 4px;
+                font-weight: 600;
+                font-size: 13px;
+                color: $xpr-accent;
+                display: flex;
+                align-items: center;
+                white-space: nowrap;
+                overflow: hidden;
+                text-overflow: ellipsis;
+            }
+            // Hide overlay when picker is focused (user is typing/searching)
+            .o_fp_xpr_part_picker_wrap:focus-within .o_fp_xpr_part_num_overlay {
+                display: none;
+            }
+
             .o_fp_xpr_part_sep {
                 color: $xpr-text-dim;
                 font-weight: 400;
                 padding: 0 2px;
+                flex: 0 0 auto;
             }
             .o_fp_xpr_part_rev {
                 font-weight: 600;
                 color: $xpr-text;
                 min-width: 30px;
+                flex: 0 0 auto;
             }
             .o_fp_xpr_part_rev_empty {
                 color: $xpr-text-dim;
@@ -581,6 +617,10 @@
                 font-style: italic;
             }
         }
+        // Overlay background matches the row hover state
+        .o_list_view tbody tr:hover & .o_fp_xpr_part_num_overlay {
+            background: $xpr-row-hover;
+        }
         .o_fp_xpr_part_name {
             .o_fp_xpr_part_name_input {
                 width: 100%;

fusion_plating/fusion_plating_configurator/static/src/xml/express_part_cell.xml

@@ -11,9 +11,20 @@
 -->
 <t t-name="fusion_plating_configurator.FpExpressPartCell">
     <div class="o_fp_xpr_part_cell">
-        <!-- Row 1 — Part picker -->
+        <!-- Row 1 — Part picker (left, with part-number overlay) + / + Revision (right)
+             The overlay shows JUST the part_number_display when not focused;
+             on focus, the overlay hides so the user sees the autocomplete input. -->
         <div class="o_fp_xpr_part_row o_fp_xpr_part_id">
-            <Many2OneField t-props="props"/>
+            <div class="o_fp_xpr_part_picker_wrap">
+                <Many2OneField t-props="props"/>
+                <span t-if="hasPart"
+                      class="o_fp_xpr_part_num_overlay"
+                      t-esc="partNumber"/>
+            </div>
+            <span class="o_fp_xpr_part_sep">/</span>
+            <span class="o_fp_xpr_part_rev"
+                  t-att-class="{ 'o_fp_xpr_part_rev_empty': !partRev }"
+                  t-esc="partRev or 'rev'"/>
         </div>
         <!-- Row 2 — Editable part description (saves to part.name) -->
         <div class="o_fp_xpr_part_row o_fp_xpr_part_name">