feat: clickable WooCommerce product links in mapping UI

Product names in the mapped table are now links that open the WC product
page in a new tab. Added woo_permalink field, stored during fetch,
returned by search endpoint.

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

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

@@ -202,6 +202,8 @@ class WooInstance(models.Model):
                 except (ValueError, TypeError):
                     pass
 
+                wc_permalink = wc_prod.get('permalink', '')
+
                 ProductMap.create({
                     'instance_id': self.id,
                     'product_id': odoo_product.id if odoo_product else False,
@@ -209,6 +211,7 @@ class WooInstance(models.Model):
                     'woo_product_name': wc_name,
                     'woo_sku': wc_sku,
                     'woo_price': wc_price,
+                    'woo_permalink': wc_permalink,
                     'woo_product_type': wc_type if wc_type in ('simple', 'variable', 'grouped', 'external') else 'simple',
                     'state': match_state,
                     'company_id': self.company_id.id,