Fix: Restore calculateSummarySignal function

src/api/dashboard/static/js/ui/signals-calculator.js

@@ -24,6 +24,69 @@ function calculateIndicatorSignal(indicator, candles, indicatorValues) {
     return signalFunction(indicator, lastCandle, prevCandle, indicatorValues);
 }
 
+/**
+ * Calculate aggregate summary signal from all indicators
+ */
+export function calculateSummarySignal(signals) {
+    console.log('[calculateSummarySignal] Input signals:', signals?.length);
+    
+    if (!signals || signals.length === 0) {
+        return {
+            signal: 'hold',
+            strength: 0,
+            reasoning: 'No active indicators',
+            buyCount: 0,
+            sellCount: 0,
+            holdCount: 0
+        };
+    }
+    
+    const buySignals = signals.filter(s => s.signal === 'buy');
+    const sellSignals = signals.filter(s => s.signal === 'sell');
+    const holdSignals = signals.filter(s => s.signal === 'hold');
+    
+    const buyCount = buySignals.length;
+    const sellCount = sellSignals.length;
+    const holdCount = holdSignals.length;
+    const total = signals.length;
+    
+    console.log('[calculateSummarySignal] BUY:', buyCount, 'SELL:', sellCount, 'HOLD:', holdCount);
+    
+    const buyWeight = buySignals.reduce((sum, s) => sum + (s.strength || 0), 0);
+    const sellWeight = sellSignals.reduce((sum, s) => sum + (s.strength || 0), 0);
+    
+    let summarySignal, strength, reasoning;
+    
+    if (buyCount > sellCount && buyCount > holdCount) {
+        summarySignal = 'buy';
+        const avgBuyStrength = buyWeight / buyCount;
+        strength = Math.round(avgBuyStrength * (buyCount / total));
+        reasoning = `${buyCount} buy signals, ${sellCount} sell, ${holdCount} hold`;
+    } else if (sellCount > buyCount && sellCount > holdCount) {
+        summarySignal = 'sell';
+        const avgSellStrength = sellWeight / sellCount;
+        strength = Math.round(avgSellStrength * (sellCount / total));
+        reasoning = `${sellCount} sell signals, ${buyCount} buy, ${holdCount} hold`;
+    } else {
+        summarySignal = 'hold';
+        strength = 30;
+        reasoning = `Mixed signals: ${buyCount} buy, ${sellCount} sell, ${holdCount} hold`;
+    }
+    
+    const result = {
+        signal: summarySignal,
+        strength: Math.min(Math.max(strength, 0), 100),
+        reasoning,
+        buyCount,
+        sellCount,
+        holdCount,
+        color: summarySignal === 'buy' ? '#26a69a' : summarySignal === 'sell' ? '#ef5350' : '#787b86'
+    };
+    
+    console.log('[calculateSummarySignal] Result:', result);
+    return result;
+}
+
 /**
  * Calculate signals for all active indicators
  * @returns {Array} Array of indicator signals