feat(conversations): the recall hook and the user sink learn whose turn it is

tests/test_envelope.py

@@ -219,3 +219,25 @@ async def test_failing_recall_or_sink_never_blocks_the_turn(world: World) -> Non
     assert prompt.startswith("hello\n\n" + HEADER)
     assert root.exists()
     await asyncio.sleep(0)
+
+
+async def test_the_recall_hook_and_the_sink_see_whose_turn_it_is(world: World) -> None:
+    root, watch = vault()
+    seen: list[RecallContext] = []
+
+    def recall(ctx: RecallContext) -> str | None:
+        seen.append(ctx)
+        return None if ctx.agent == "a" else "👤 указатель"
+
+    noted: list[UserSaid] = []
+    world.conversations._envelope = Envelope(watch=watch, tz="UTC", recall=recall)  # noqa: SLF001
+    world.conversations._user_sink = noted.append  # noqa: SLF001
+    master = await world.conversations.create(kind="master", agent="a", origin="test")
+    append(root / "люди" / "Прохор.md", "новое\n")
+    watch.note(root / "люди" / "Прохор.md")
+    await world.conversations.post(master, "что там у Прохор")
+    await world.settle(master, 1)
+    assert [ctx.agent for ctx in seen] == ["a"]
+    assert [m.agent for m in noted] == ["a"]
+    assert "👤" not in ScriptedClient.instances[0].prompts[0]
+    await asyncio.sleep(0)