feat: honor temporal read context

tests/test_parties.py

@@ -15,8 +15,18 @@ from govoplan_core.core.institutional import (
     ProcedureParty,
     TemporalRevision,
 )
+from govoplan_core.core.temporal import (
+    TemporalDataContext,
+    bind_temporal_data_context,
+    reset_temporal_data_context,
+)
 from govoplan_parties.backend.db.models import ProcedurePartyRevision
-from govoplan_parties.backend.service import PartyStoreError, SqlPartyResolver, record_procedure_party
+from govoplan_parties.backend.service import (
+    PartyStoreError,
+    SqlPartyResolver,
+    get_procedure_party,
+    record_procedure_party,
+)
 
 
 NOW = datetime(2026, 8, 1, 11, 0, tzinfo=UTC)
@@ -87,6 +97,32 @@ class PartyTests(unittest.TestCase):
         with self.assertRaisesRegex(Exception, "same-tenant"):
             SqlPartyResolver().list_procedure_parties(self.session, Principal("tenant-2"), procedure_ref=ref("case", "case-1", "cases"))
 
+    def test_read_context_can_reconstruct_recorded_state(self) -> None:
+        record_procedure_party(self.session, self.principal, party=party())
+        revoked = representation(revision="2", revoked_at=NOW + timedelta(hours=1))
+        record_procedure_party(
+            self.session,
+            self.principal,
+            party=party(revision="2", representations=(revoked,)),
+            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_procedure_party(
+                self.session,
+                self.principal,
+                party_id="representative",
+            )
+            self.assertEqual("1", result.temporal.revision if result else None)
+        finally:
+            reset_temporal_data_context(token)
+
 
 if __name__ == "__main__":
     unittest.main()