feat: add customer profile candidate flow

tests/unit/service/test_agent_persistence_handover.py

@@ -239,3 +239,22 @@ async def test_normal_result_does_not_create_handover_ticket_or_event() -> None:
         event.event_type != "conversation.transfer_requested"
         for event in added_of(session.added, DomainEventOutbox)
     )
+
+
+@pytest.mark.asyncio
+async def test_profile_candidate_event_is_written_without_modifying_profile() -> None:
+    """画像候选只写 Outbox，正式画像更新留给后续确认/审核服务。"""
+    session = FakeSession(queued_run())
+
+    await AgentPersistenceService(session).complete_run(
+        "run-transfer-1", result(transfer_required=False),
+        memory_extraction_requested=False, profile_candidate_requested=True,
+    )
+
+    events = added_of(session.added, DomainEventOutbox)
+    candidate = next(
+        event for event in events if event.event_type == "customer_profile.candidate_requested"
+    )
+    assert candidate.payload["customer_id"] == 7
+    assert candidate.payload["actor_type"] == "authenticated_customer"
+    assert added_of(session.added, HandoverTicket) == []

tests/unit/service/test_memory_service.py

@@ -116,6 +116,24 @@ async def test_upsert_persists_structured_value_when_created() -> None:
     assert created.memory_key == "preference:risk_level"
 
 
+@pytest.mark.asyncio
+async def test_upsert_candidate_never_updates_active_memory() -> None:
+    """候选写入不读取或覆盖同键正式记忆，等待确认后再晋升。"""
+    session = fake_session()
+    session.scalar.side_effect = [None]
+    added: list[Any] = []
+    session.add = Mock(side_effect=added.append)
+
+    created = await MemoryService(session).upsert(
+        7, "preference:risk_level", "稳健型", memory_type="preference",
+        confidence=0.9, status="candidate",
+    )
+
+    assert created.status == "candidate"
+    assert created.content == "稳健型"
+    assert added == [created]
+
+
 @pytest.mark.asyncio
 async def test_upsert_refreshes_structured_value_on_existing_memory() -> None:
     existing = memory(5, key="preference:risk_level", content="保守型")