Function parseArgs

Parses command-line arguments for trading bot configuration.

Processes process.argv to extract trading parameters and mode flags. Merges provided default values with command-line arguments. Supports both backtest mode (historical simulation), paper trading mode (simulated trading with live data), and live trading mode (real trading).

Command-line options:

• --symbol: Trading pair symbol (e.g., "BTCUSDT")
• --strategy: Strategy name to use
• --exchange: Exchange name (e.g., "binance")
• --frame: Timeframe for candles (e.g., "1h", "15m")
• --backtest: Enable backtest mode (boolean flag)
• --paper: Enable paper trading mode (boolean flag)
• --live: Enable live trading mode (boolean flag)

// Parse args with defaults
const config = parseArgs({
  symbol: "BTCUSDT",
  strategyName: "rsi_divergence",
  exchangeName: "binance",
  frameName: "1h"
});

// Command: node app.js --backtest
// Result: { symbol: "BTCUSDT", ..., backtest: true, paper: false, live: false }
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