feat: extend sale.order, stock.picking, account.move, res.partner with WooCommerce fields

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

fusion-woo-odoo/fusion_woocommerce/models/res_partner.py

@@ -0,0 +1,13 @@
+from odoo import models, fields, api
+
+
+class ResPartner(models.Model):
+    _inherit = 'res.partner'
+
+    woo_customer_ids = fields.One2many('woo.customer', 'partner_id', string='WooCommerce Links')
+    is_woo_customer = fields.Boolean(compute='_compute_is_woo_customer', string='Is WC Customer', store=True)
+
+    @api.depends('woo_customer_ids')
+    def _compute_is_woo_customer(self):
+        for partner in self:
+            partner.is_woo_customer = bool(partner.woo_customer_ids)