UI style refresh continued

tests/conftest.py

@@ -15,7 +15,6 @@ from transcription.config import Settings
 from transcription.config import get_settings
 from transcription.db.engine import get_database_url
 from transcription.db.engine import get_engine
-from transcription.db.operations import create_all
 from transcription.db.session import dispose_session_factory
 from transcription.db.session import get_session_factory
 from transcription.db.session import session_scope
@@ -42,8 +41,15 @@ async def default_settings():
     """Provide default settings for tests."""
     settings = get_settings(database_url="sqlite:///:memory:")
     db_url = get_database_url(settings)
-    await create_all(engine=get_engine(database_url=db_url))
-    return settings
+    engine = get_engine(database_url=db_url)
+
+    # Cached in-memory engines persist across tests; reset schema per test for isolation.
+    async with engine.begin() as connection:
+        await connection.run_sync(SQLModel.metadata.drop_all)
+        await connection.run_sync(SQLModel.metadata.create_all)
+
+    yield settings
+    await dispose_session_factory(db_url)
 
 
 @pytest_asyncio.fixture
@@ -53,8 +59,6 @@ async def async_session(default_settings: Settings):
     async with session_scope(database_url=db_url) as async_session:
         yield async_session
 
-    await dispose_session_factory(db_url)
-
 
 @pytest.fixture
 def default_session_factory(default_settings: Settings):