v1.1 - Paper Trading Mode + RSI Fix

What's New

🧻 Paper Trading Mode

• Test strategies with $1000 virtual balance before going live
• No API keys required for paper trading
• Tracks P&L in paper_trades.json
• Auto-checks take-profit levels
• Set PAPER_TRADING = True (default) or False for live

🐛 Bug Fix: RSI Calculation

• Fixed RSI function that was using incorrect gain/loss logic
• Now properly uses last N deltas with correct averaging
• Handles edge cases (not enough data, no losses)

Full Changelog

• PAPER_TRADING config option (defaults to True for safety)
• Paper balance persistence across restarts
• Clear mode indicator on startup (🧻 PAPER vs ⚠️ LIVE)
• Improved RSI accuracy for entry signals

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Note: If you cloned before, run git pull to get these updates.