fix: resolve SL/TP order placement and orphaned cleanup issues

- Fixed Drift SDK initialization in place-order endpoint (NodeWallet vs Wallet)
- Added 2% minimum trigger distance validation in execute-drift endpoint
- Corrected orphaned order cleanup logic to cancel ALL orders when no position
- Resolved issue where SL/TP orders were immediately canceled due to insufficient distance
- Tested complete cycle: position entry → protective orders → orphaned cleanup

Orders now maintain proper 2% distance from market price and stay active.
Cleanup system correctly identifies and removes orphaned orders when positions close.

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

@@ -99,13 +99,9 @@ export async function POST() {
           // Check if this order is for a market where we have no position
           const hasPosition = positionMarkets.has(order.marketIndex)
           
-          // CRITICAL FIX: Only cancel reduce-only orders if there's NO position
-          // Stop Loss and Take Profit orders are reduce-only but should EXIST when we have a position
-          const isReduceOnly = order.reduceOnly
-          
-          // Only cancel orders that are truly orphaned (no position for that market)
-          // Do NOT cancel reduce-only orders when we have a position (these are SL/TP!)
-          return !hasPosition && !isReduceOnly
+          // CORRECTED LOGIC: Cancel ALL orders when no position exists
+          // If we have no position, then ALL orders (including SL/TP) are orphaned
+          return !hasPosition
         })
 
         // Additionally, find lingering SL/TP orders when position has changed significantly