feat: add durable mail delivery outbox

tests/test_documentation.py

@@ -7,7 +7,10 @@ from unittest.mock import patch
 from sqlalchemy.orm import Session
 
 from govoplan_core.core.modules import DocumentationContext
-from govoplan_mail.backend.documentation import documentation_topics
+from govoplan_mail.backend.documentation import (
+    documentation_configuration_states,
+    documentation_topics,
+)
 from govoplan_mail.backend.mail_profiles import EffectiveMailProfilePolicy, MailProfileError
 
 
@@ -181,6 +184,48 @@ class MailRuntimeDocumentationTests(unittest.TestCase):
         self.assertEqual(topics["mail.workflow.choose-and-test-profile"].metadata["help_contexts"], ["mail.profiles", "app.settings"])
         self.assertEqual(topics["mail.workflow.read-mailbox"].metadata["help_contexts"], ["mail.list"])
 
+    def test_configuration_provider_exposes_only_explicit_or_inherited_state(self) -> None:
+        inherited = EffectiveMailProfilePolicy(
+            source_policies=[
+                {"scope_type": "system", "applied_fields": ["defaults"]},
+                {"scope_type": "tenant", "applied_fields": []},
+            ]
+        )
+        explicit = EffectiveMailProfilePolicy(
+            source_policies=[
+                {"scope_type": "system", "applied_fields": ["defaults"]},
+                {"scope_type": "tenant", "applied_fields": ["smtp_hosts"]},
+            ]
+        )
+        context = self.context({"mail:profile:read"}, documentation_type="admin")
+
+        with patch(
+            "govoplan_mail.backend.documentation.effective_mail_profile_policy_for_scope",
+            return_value=inherited,
+        ):
+            inherited_state = documentation_configuration_states(
+                context,
+                ("mail_profile_policy",),
+            )
+        with patch(
+            "govoplan_mail.backend.documentation.effective_mail_profile_policy_for_scope",
+            return_value=explicit,
+        ):
+            explicit_state = documentation_configuration_states(
+                context,
+                ("mail_profile_policy",),
+            )
+
+        self.assertEqual(
+            inherited_state["mail_profile_policy"].state,
+            "inherited",
+        )
+        self.assertEqual(
+            explicit_state["mail_profile_policy"].state,
+            "enabled",
+        )
+        self.assertNotIn("smtp_hosts", repr(explicit_state))
+
 
 if __name__ == "__main__":
     unittest.main()