Fix allow_mail_archived_partner causing system notifications to send emails

allow_mail_archived_partner/models/res_partner.py

@@ -0,0 +1,48 @@
+import logging
+_logger = logging.getLogger(__name__)
+
+from odoo import models, api
+
+
+class ResPartner(models.Model):
+    _inherit = "res.partner"
+
+    @api.model
+    def _search(
+        self,
+        args,
+        offset=0,
+        limit=None,
+        order=None,
+        count=False,
+        access_rights_uid=None
+    ):
+        """
+        Only include archived partners when the caller explicitly opts in via:
+            context['include_archived_partners'] = True
+
+        Never key off fragile string matches like 'mail'/'notify'/'message'.
+        """
+        if self.env.context.get("include_archived_partners"):
+            # Remove explicit active=True filters only (do not touch other domains)
+            args = [
+                arg for arg in args
+                if not (
+                    isinstance(arg, (list, tuple))
+                    and len(arg) == 3
+                    and arg[0] == "active"
+                    and arg[1] == "="
+                    and arg[2] is True
+                )
+            ]
+            # Also ensure active_test is off so ORM won't auto-filter archived partners
+            self = self.with_context(active_test=False)
+
+        return super()._search(
+            args,
+            offset=offset,
+            limit=limit,
+            order=order,
+            count=count,
+            access_rights_uid=access_rights_uid
+        )