Закрыты задачи бэклога по неочевидному поведению UI при ошибках отправки сообщений и блокировках со стороны Message-safety + добалено ограничение на размер сообщения

codebase/backend/api-backend/tests/contract/test_openapi.py

@@ -4,9 +4,11 @@ from pathlib import Path
 from types import SimpleNamespace
 
 import yaml
+from alembic.config import Config
+from alembic.script import ScriptDirectory
 from pydantic import SecretStr
 
-from app.main import app, otp_settings, websocket_token
+from app.main import EXPECTED_API_DB_REVISION, app, otp_settings, websocket_token
 from app.services import SettingsSnapshot
 
 EXPECTED_PATHS = {
@@ -58,6 +60,11 @@ def test_openapi_31_contains_all_http_contracts() -> None:
     assert committed["paths"].keys() == schema["paths"].keys()
 
 
+def test_readiness_expected_revision_matches_alembic_head() -> None:
+    scripts = ScriptDirectory.from_config(Config("alembic.ini"))
+    assert EXPECTED_API_DB_REVISION == scripts.get_current_head()
+
+
 def test_websocket_route_is_registered() -> None:
     assert any(getattr(route, "path", None) == "/api/v1/realtime" for route in app.routes)
 
@@ -104,6 +111,15 @@ def test_committed_openapi_server_does_not_double_api_prefix() -> None:
     assert committed["servers"] == [{"url": "/"}]
 
 
+def test_public_config_contract_exposes_message_length() -> None:
+    committed = yaml.safe_load(Path("openapi.yaml").read_text(encoding="utf-8"))
+    response = committed["paths"]["/api/v1/public/app-config"]["get"]["responses"]["200"]
+    messages = response["content"]["application/json"]["schema"]["properties"]["messages"]
+
+    assert messages["required"] == ["max_text_length"]
+    assert messages["properties"]["max_text_length"]["maximum"] == 10_000
+
+
 def test_otp_settings_contract_is_strict_and_complete() -> None:
     generated = app.openapi()
     response = generated["paths"]["/internal/settings/v1/otp"]["get"]["responses"]["200"]