Trading Stats Display Fix - Complete

Problem Identified

The ANNOTATE app was showing static placeholder values for trading stats:

Position: "NO POSITION" (never updated)
Session PnL: "+$0.00" (never updated)
Win Rate: "0% (0/0)" (never updated)
Model Accuracy/Loss: "--" (never updated)

Root Cause

The HTML template had the UI elements but there was no backend API or JavaScript to:

Fetch real trading statistics from the orchestrator/trading executor
Update the UI elements with live data
Poll for updates during active trading

Fixes Applied

1. Added Trading Stats API Endpoint

@self.server.route('/api/trading-stats', methods=['GET'])
def get_trading_stats():

This endpoint provides:

Position status: Current open positions from TradingExecutor
Session PnL: Total profit/loss for the session
Win rate: Percentage of winning trades
Floating PnL: Unrealized P&L for open positions
Model performance: Latest accuracy and loss from transformer trainer
Trading activity: Whether trading is active or just predictions

2. Added JavaScript Polling System

Automatic polling: Updates every 2 seconds during active inference
Smart UI updates: Shows/hides elements based on trading state
Color coding: Green for profits, red for losses
Integration: Hooks into existing inference start/stop functions

3. Enhanced UI Display Logic

Position display: Shows "LONG ETH/USDT" instead of "NO POSITION" when trading
PnL formatting: Proper +/- signs and color coding
Floating PnL: Shows unrealized P&L for open positions
Model stats: Live accuracy and loss updates
Trading status: Clear indication of active vs inactive trading

Expected Behavior Now

During Active Trading:

✅ Position: Shows actual position (e.g., "LONG ETH/USDT")
✅ Session PnL: Updates with real profit/loss (e.g., "+$15.23" in green)
✅ Win Rate: Shows actual performance (e.g., "75.0% (3/4)")
✅ Floating PnL: Shows unrealized P&L for open positions
✅ Model Stats: Live accuracy and loss from training

During Predictions Only:

✅ Position: "NO POSITION"
✅ Session PnL: "$0.00"
✅ Win Rate: "0% (0/0)"
✅ Warning: "PREDICTIONS ONLY" message shown
✅ Model Stats: Still shows model performance

API Response Format

{
  "success": true,
  "position": "LONG ETH/USDT",
  "session_pnl": 15.23,
  "win_rate": "75.0% (3/4)",
  "floating_pnl": 8.45,
  "total_trades": 4,
  "winning_trades": 3,
  "trading_active": true,
  "model_accuracy": "73.2%",
  "model_loss": "0.1234"
}

Verification Steps

Start inference: Trading stats should begin updating every 2 seconds
Execute trades: Position and PnL should reflect actual trades
Model training: Accuracy and loss should update with training progress
Stop inference: Polling should stop, stats should reset to defaults

The trading dashboard now provides real-time visibility into both trading performance and model learning progress!

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