fix(core): a turn cut by shutdown keeps running_turn for recover

tests/test_conversations.py

@@ -496,6 +496,22 @@ async def test_recover_closes_open_tool_use_and_injects_interrupted(
     assert ScriptedClient.instances == []
 
 
+async def test_graceful_stop_keeps_running_turn_for_recover(world: World) -> None:
+    conv = await world.conversations.create(kind="master", agent="a", origin="test")
+    ScriptedClient.hold = asyncio.Event()
+    await world.conversations.post(conv, "long")
+    await asyncio.sleep(0.2)
+    assert (await world.conversations.get(conv.external_id)).running_turn is not None
+    await world.conversations.stop()
+    row = await world.conversations.get(conv.external_id)
+    assert row.running_turn is not None
+    cut = await world.conversations.recover()
+    assert [c.external_id for c in cut] == [conv.external_id]
+    assert (await world.conversations.get(conv.external_id)).running_turn is None
+    assert await world.statuses(conv) == [("user", "interrupted"), ("normal", "queued")]
+    ScriptedClient.hold = None
+
+
 async def test_read_and_bindings(world: World) -> None:
     sid = str(uuid.uuid4())
     history = [