Refactor code for improved readability and consistency

- Cleaned up multiline statements and removed unnecessary line breaks in various files.
- Ensured consistent formatting in function definitions and calls across the codebase.
- Updated docstrings and comments for clarity where applicable.
- Removed trailing newlines in module docstrings.
- Enhanced logging statements for better clarity in maintenance tasks.

tests/unit/test_runtime_lifecycle.py

@@ -49,9 +49,7 @@ def _mock_pg_store():
 @pytest.fixture
 def app():
     """Create a test app with a mocked PgStore and audit repository."""
-    a = create_app(
-        Settings(_env_file=None, APP_MODE="paper", paper_trading_mode=True)
-    )
+    a = create_app(Settings(_env_file=None, APP_MODE="paper", paper_trading_mode=True))
     a.state.store = _mock_pg_store()
     a.state.runtime_state_repository.insert = AsyncMock()
     a.state.runtime_state_repository.latest = AsyncMock(return_value=None)
@@ -69,16 +67,14 @@ async def test_persist_runtime_snapshot_writes_record(app) -> None:
 
     # Mock _open_trade_count → 0, _latest_balances → None
     conn = await app.state.store.pool.acquire().__aenter__()
-    conn.fetchrow = AsyncMock(return_value=MagicMock(
-        **{"__getitem__": lambda s, k: 0}))
+    conn.fetchrow = AsyncMock(return_value=MagicMock(**{"__getitem__": lambda s, k: 0}))
 
     snapshot = await persist_runtime_snapshot(app, note="unit-test")
 
     assert snapshot is not None
     assert snapshot.note == "unit-test"
 
-    app.state.runtime_state_repository.latest = AsyncMock(
-        return_value=snapshot)
+    app.state.runtime_state_repository.latest = AsyncMock(return_value=snapshot)
     latest = await app.state.runtime_state_repository.latest()
     assert latest is not None
     assert latest.note == "unit-test"