trading/services/trade_executor/config.py

"""Configuration for the trade executor service."""

from shared.config import BaseConfig


class TradeExecutorConfig(BaseConfig):
    """Extends BaseConfig with trade-executor-specific settings."""

    max_position_pct: float = 0.05
    max_total_exposure_pct: float = 0.80
    max_positions: int = 20
    default_stop_loss_pct: float = 0.03
    cooldown_minutes: int = 30
    alpaca_api_key: str = ""
    alpaca_secret_key: str = ""
    paper_trading: bool = True

    # Kevin v2 risk caps — only applied when TradeSignal.strategy_id ==
    # KEVIN_STRATEGY_UUID.
    kevin_daily_trade_cap: int = 10
    kevin_daily_alloc_cap_usd: float = 20_000.0
    kevin_equity_drawdown_halt_pct: float = 0.20  # 20% drawdown → permanent pause
    kevin_daily_loss_circuit_pct: float = 0.05  # 5% daily loss → 24h pause

    # Slack notifications — pick ONE transport:
    #   1. Bot token + channel (preferred) → chat.postMessage API
    #   2. Webhook URL (legacy) → single-channel webhook
    # If both set, bot-token wins. If neither, notifier is a no-op.
    slack_webhook_url: str = ""
    slack_bot_token: str = ""
    slack_channel: str = ""

    model_config = {"env_prefix": "TRADING_"}