1. Odoo's portal_order_page route calls _get_page_view_values which
doesn't touch _prepare_portal_layout_values, so our sidebar
context (fp_sidebar_items, fp_partner_display_name) was missing
on every Odoo detail page (SO, invoice, delivery, quote). Override
_get_page_view_values to setdefault our two keys into the values
dict — non-clobbering, covers every detail route.
2. Rename "Sales Order(s)" / "Your Orders" to "Purchase Order(s)" on
the customer portal so the wording matches the sidebar item and
the customer's perspective (they purchase from us). Inherits in
fp_sale_order_portal.xml replace the relevant text nodes in
sale.portal_my_home_menu_sale / sale.portal_my_orders /
sale.sale_order_portal_content.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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