feat(configurator): add dual descriptions to sale.order.line (Sub 2 Task 3)

fusion_plating/fusion_plating_configurator/models/sale_order_line.py

@@ -12,6 +12,19 @@ class SaleOrderLine(models.Model):
     x_fc_part_catalog_id = fields.Many2one(
         'fp.part.catalog', string='Part',
     )
+    # Sub 2 — dual descriptions captured from a template row at order
+    # entry. `name` remains Odoo's standard customer-facing line
+    # description; x_fc_internal_description is ops-only (prints on WO).
+    # Nullable during Phase A; flipped to required in Phase C.
+    x_fc_internal_description = fields.Text(
+        string='Internal Description',
+        help='Shop-floor instructions. Prints on WO / traveler. Never on customer docs.',
+    )
+    x_fc_description_template_id = fields.Many2one(
+        'fp.sale.description.template',
+        string='Description Template',
+        help='Which template row populated this line. Informational.',
+    )
     x_fc_coating_config_id = fields.Many2one(
         'fp.coating.config', string='Primary Treatment',
     )