feat(matrix): land QA follow-ups and refresh docs

- harden Matrix onboarding/chat lifecycle after manual QA
- refresh README and Matrix docs to match current behavior
- add local ignores for runtime artifacts and include current planning/report docs

Closes #7
Closes #9
Closes #14

tests/adapter/matrix/test_chat_space.py

@@ -3,9 +3,10 @@ from __future__ import annotations
 from types import SimpleNamespace
 from unittest.mock import AsyncMock
 
+from nio.api import RoomVisibility
 from nio.responses import RoomCreateError
 
-from adapter.matrix.handlers.chat import make_handle_archive, make_handle_new_chat
+from adapter.matrix.handlers.chat import make_handle_archive, make_handle_new_chat, make_handle_rename
 from adapter.matrix.store import set_user_meta
 from core.auth import AuthManager
 from core.chat import ChatManager
@@ -44,7 +45,14 @@ async def test_mat04_new_chat_calls_room_put_state_with_space_id():
     )
     result = await handler(event, auth_mgr, platform, chat_mgr, settings_mgr)
 
+    client.room_create.assert_awaited_once_with(
+        name="Test",
+        visibility=RoomVisibility.private,
+        is_direct=False,
+        invite=["@alice:example.org"],
+    )
     client.room_put_state.assert_awaited_once()
+    client.room_invite.assert_not_awaited()
     kwargs = client.room_put_state.call_args.kwargs
     assert kwargs.get("room_id") == "!space:ex"
     assert kwargs.get("event_type") == "m.space.child"
@@ -79,7 +87,8 @@ async def test_mat05_new_chat_without_space_id_returns_error():
 async def test_mat10_archive_calls_chat_mgr_archive():
     platform, store, chat_mgr, auth_mgr, settings_mgr = await _setup()
 
-    handler = make_handle_archive(None, store)
+    client = SimpleNamespace(room_leave=AsyncMock())
+    handler = make_handle_archive(client, store)
     event = IncomingCommand(
         user_id="@alice:example.org",
         platform="matrix",
@@ -98,6 +107,61 @@ async def test_mat10_archive_calls_chat_mgr_archive():
 
     assert len(result) == 1
     assert "архивирован" in result[0].text
+    client.room_leave.assert_awaited_once_with("!room:ex")
+    chats = await chat_mgr.list_active("@alice:example.org")
+    assert chats == []
+
+
+async def test_mat11_rename_updates_matrix_room_name_via_state_event():
+    platform, store, chat_mgr, auth_mgr, settings_mgr = await _setup()
+    await chat_mgr.get_or_create(
+        user_id="@alice:example.org",
+        chat_id="C1",
+        platform="matrix",
+        surface_ref="!room:ex",
+        name="Old",
+    )
+
+    client = SimpleNamespace(room_put_state=AsyncMock())
+    handler = make_handle_rename(client, store)
+    event = IncomingCommand(
+        user_id="@alice:example.org",
+        platform="matrix",
+        chat_id="C1",
+        command="rename",
+        args=["New", "Name"],
+    )
+
+    result = await handler(event, auth_mgr, platform, chat_mgr, settings_mgr)
+
+    client.room_put_state.assert_awaited_once_with(
+        room_id="!room:ex",
+        event_type="m.room.name",
+        content={"name": "New Name"},
+        state_key="",
+    )
+    assert len(result) == 1
+    assert "Переименован" in result[0].text
+
+
+async def test_mat11b_rename_from_unregistered_room_returns_error_message():
+    platform, store, chat_mgr, auth_mgr, settings_mgr = await _setup()
+
+    client = SimpleNamespace(room_put_state=AsyncMock())
+    handler = make_handle_rename(client, store)
+    event = IncomingCommand(
+        user_id="@alice:example.org",
+        platform="matrix",
+        chat_id="unregistered:!old:example.org",
+        command="rename",
+        args=["New"],
+    )
+
+    result = await handler(event, auth_mgr, platform, chat_mgr, settings_mgr)
+
+    client.room_put_state.assert_not_awaited()
+    assert len(result) == 1
+    assert "не найден" in result[0].text.lower() or "примите приглашение" in result[0].text.lower()
 
 
 async def test_mat12_room_create_error_returns_user_message():