test(01-04): add matrix space regression coverage

- add MAT-01..MAT-07 and MAT-09..MAT-12 regression tests for matrix adapter
- extend store and dispatcher coverage for pending confirmations and settings dashboard
- verify matrix adapter suite and full pytest suite stay green

tests/adapter/matrix/test_dispatcher.py

@@ -151,3 +151,20 @@ async def test_bot_ignores_its_own_messages():
 
     runtime.dispatcher.dispatch.assert_not_awaited()
     bot._send_all.assert_not_awaited()
+
+
+async def test_mat11_settings_returns_dashboard():
+    runtime = build_runtime(platform=MockPlatformClient())
+
+    start = IncomingCommand(user_id="u1", platform="matrix", chat_id="C1", command="start")
+    await runtime.dispatcher.dispatch(start)
+
+    settings_cmd = IncomingCommand(user_id="u1", platform="matrix", chat_id="C1", command="settings")
+    result = await runtime.dispatcher.dispatch(settings_cmd)
+
+    assert len(result) >= 1
+    text = result[0].text
+    assert "Скиллы" in text or "скиллы" in text.lower()
+    assert "Изменить" in text or "!skills" in text
+    assert "!connectors" not in text
+    assert "!whoami" not in text