//! Configuration for the withdrawal worker
//!
//! Most settings are now stored in the database (system_settings table)
//! and read dynamically via SettingsService. This config only holds
//! values that should remain in environment variables.
/// Configuration for the withdrawal worker (env-only settings)
///
/// Runtime-tunable settings (poll_interval, batch_size, timeout, retries,
/// percentage, partial_withdrawal_*) are stored in the database and
/// read dynamically via SettingsService.