Fix instant-reversal filter: Use direct Prisma query instead of incorrect array filter

app/api/trading/check-risk/route.ts

@@ -377,16 +377,29 @@ export async function POST(request: NextRequest): Promise<NextResponse<RiskCheck
     // Detect if most recent trade on this symbol was stopped out within 5 minutes
     // This prevents re-entering immediately after being whipsawed
     if (hasContextMetrics && body.timeframe === '5') {
-      const recentTrades = await getTradesInLastHour()
-      const symbolRecentTrades = recentTrades.filter(t => 
-        t.symbol === body.symbol && 
-        t.exitReason === 'SL' &&
-        t.holdTimeSeconds !== null &&
-        t.holdTimeSeconds <= 300 // 5 minutes = 1 candle
-      )
+      const { getPrismaClient } = await import('@/lib/database/trades')
+      const prisma = getPrismaClient()
       
-      if (symbolRecentTrades.length > 0) {
-        const lastFastSL = symbolRecentTrades[0]
+      const oneHourAgo = new Date(Date.now() - 60 * 60 * 1000)
+      const recentFastSLTrades = await prisma.trade.findMany({
+        where: {
+          symbol: body.symbol,
+          exitReason: 'SL',
+          exitTime: {
+            gte: oneHourAgo,
+          },
+          holdTimeSeconds: {
+            lte: 300, // 5 minutes = 1 candle
+          },
+        },
+        orderBy: {
+          exitTime: 'desc',
+        },
+        take: 1,
+      })
+      
+      if (recentFastSLTrades.length > 0) {
+        const lastFastSL = recentFastSLTrades[0]
         const timeSinceLastSL = Date.now() - new Date(lastFastSL.exitTime!).getTime()
         const cooldownMs = 15 * 60 * 1000 // 15 minute cooldown after instant reversal