feat: honor temporal read context

tests/test_mandates.py

@@ -13,6 +13,11 @@ from govoplan_core.core.institutional import (
     MandateResolutionRequest,
     TemporalRevision,
 )
+from govoplan_core.core.temporal import (
+    TemporalDataContext,
+    bind_temporal_data_context,
+    reset_temporal_data_context,
+)
 from govoplan_mandates.backend.db.models import MandateRevision
 from govoplan_mandates.backend.service import (
     MandateStoreError,
@@ -124,6 +129,31 @@ class MandateTests(unittest.TestCase):
             )
         )
 
+    def test_read_context_can_reconstruct_recorded_state(self) -> None:
+        record_mandate(self.session, self.principal, definition=definition())
+        record_mandate(
+            self.session,
+            self.principal,
+            definition=definition(revision="2", status="suspended"),
+            expected_revision="1",
+        )
+        token = bind_temporal_data_context(
+            TemporalDataContext(
+                validity_mode="at",
+                valid_at=NOW + timedelta(hours=1),
+                recorded_at=NOW + timedelta(seconds=30),
+            )
+        )
+        try:
+            result = get_mandate(
+                self.session,
+                self.principal,
+                mandate_id="committee-permit",
+            )
+            self.assertEqual("1", result.temporal.revision if result else None)
+        finally:
+            reset_temporal_data_context(token)
+
 
 if __name__ == "__main__":
     unittest.main()