🚨 CRITICAL FIX: Stop cleanup from canceling SL/TP orders

- Fixed cleanup-orders logic to NEVER cancel reduce-only orders (SL/TP)
- Updated position monitor to be more conservative with cleanup
- This was causing SL/TP orders to be canceled after position creation
- Positions were left unprotected due to aggressive cleanup logic

app/api/drift/cleanup-orders/route.js

@@ -99,9 +99,14 @@ export async function POST() {
           // Check if this order is for a market where we have no position
           const hasPosition = positionMarkets.has(order.marketIndex)
           
-          // CORRECTED LOGIC: Cancel ALL orders when no position exists
-          // If we have no position, then ALL orders (including SL/TP) are orphaned
-          return !hasPosition
+          // 🛡️ CRITICAL FIX: Only cancel non-reduce-only orders when no position exists
+          // NEVER cancel reduce-only orders (SL/TP) as they protect existing positions
+          if (!hasPosition) {
+            // Only cancel orders that are NOT reduce-only (market makers, limit orders)
+            return !order.reduceOnly
+          }
+          
+          return false // Don't cancel any orders when position exists
         })
 
         // Additionally, find lingering SL/TP orders when position has changed significantly