APP_ENV=dev APP_HOST=0.0.0.0 APP_PORT=8000 LOG_LEVEL=INFO LOG_JSON=true DUCKDB_PATH=./data/arbitrade.duckdb FERNET_KEY= KRAKEN_API_KEY= KRAKEN_API_SECRET= KRAKEN_REST_URL=https://api.kraken.com KRAKEN_WS_URL=wss://ws.kraken.com/v2 KRAKEN_PRIVATE_RATE_LIMIT_SECONDS=1.0 KRAKEN_HTTP_TIMEOUT_SECONDS=10.0 KRAKEN_RETRY_ATTEMPTS=3 KRAKEN_RETRY_BASE_DELAY_SECONDS=0.25 WS_HEARTBEAT_TIMEOUT_SECONDS=20.0 WS_MAX_STALENESS_SECONDS=5.0 PAPER_TRADING_MODE=true TRADE_CAPITAL_USD=100.0 MAX_TRADE_CAPITAL_USD=100.0 MAX_CONCURRENT_TRADES= MAX_EXPOSURE_PER_ASSET_USD= QUOTE_BALANCE_ASSET=USD MIN_ORDER_SIZE_USD= KILL_SWITCH_ACTIVE=false DAILY_LOSS_LIMIT_USD=5.0 CUMULATIVE_LOSS_LIMIT_USD=10.0 MAX_SOURCE_LATENCY_MS= MAX_APPLY_LATENCY_MS= MAX_CONSECUTIVE_FAILURES=