fix: Implement critical risk management fixes for bugs #76, #77, #78, #80

Co-authored-by: mindesbunister <32161838+mindesbunister@users.noreply.github.com>

app/api/trading/execute/route.ts

@@ -934,12 +934,54 @@ export async function POST(request: NextRequest): Promise<NextResponse<ExecuteTr
       
       if (!exitRes.success) {
         console.error('❌ Failed to place on-chain exit orders:', exitRes.error)
+        
+        // BUG #76 FIX: Log critical error for missing exit orders
+        logCriticalError('EXIT_ORDERS_PLACEMENT_FAILED', {
+          symbol: driftSymbol,
+          direction: body.direction,
+          entryPrice,
+          positionSize: positionSizeUSD,
+          transactionSignature: openResult.transactionSignature,
+          error: exitRes.error,
+          partialSignatures: exitRes.signatures || []
+        })
       } else {
         console.log('📨 Exit orders placed on-chain:', exitRes.signatures)
         exitOrderSignatures = exitRes.signatures || []
+        
+        // BUG #76 FIX: Validate expected signature count
+        const expectedCount = config.useDualStops ? 4 : 3 // TP1 + TP2 + (soft+hard OR single SL)
+        if (exitOrderSignatures.length < expectedCount) {
+          console.error(`❌ CRITICAL: Missing exit orders!`)
+          console.error(`   Expected: ${expectedCount} signatures (TP1 + TP2 + ${config.useDualStops ? 'Soft SL + Hard SL' : 'SL'})`)
+          console.error(`   Got: ${exitOrderSignatures.length} signatures`)
+          console.error(`   Position is UNPROTECTED! Missing stop loss!`)
+          
+          // Log to persistent file for post-mortem
+          logCriticalError('MISSING_EXIT_ORDERS', {
+            symbol: driftSymbol,
+            direction: body.direction,
+            entryPrice,
+            positionSize: positionSizeUSD,
+            transactionSignature: openResult.transactionSignature,
+            expectedCount,
+            actualCount: exitOrderSignatures.length,
+            signatures: exitOrderSignatures,
+            useDualStops: config.useDualStops
+          })
+          
+          // Continue with trade creation but flag as needing verification
+        }
       }
     } catch (err) {
       console.error('❌ Unexpected error placing exit orders:', err)
+      
+      // Log unexpected error
+      logCriticalError('EXIT_ORDERS_UNEXPECTED_ERROR', {
+        symbol: driftSymbol,
+        direction: body.direction,
+        error: err instanceof Error ? err.message : String(err)
+      })
     }
 
     console.log('🔍 DEBUG: Exit orders section complete, about to calculate quality score...')