fix: harden drift verifier and validation flow

tests/integration/drift-state-verifier/cooldown-enforcement.test.ts

@@ -13,7 +13,9 @@ import { getDriftStateVerifier } from '../../../lib/monitoring/drift-state-verif
 // Mock dependencies
 jest.mock('../../../lib/drift/client')
 jest.mock('../../../lib/drift/orders')
-jest.mock('../../../lib/database/trades')
+jest.mock('../../../lib/database/trades', () => ({
+  getPrismaClient: jest.fn(),
+}))
 jest.mock('../../../lib/notifications/telegram')
 
 describe('Bug #80: Retry Loop Cooldown', () => {
@@ -38,18 +40,19 @@ describe('Bug #80: Retry Loop Cooldown', () => {
     
     // Mock closePosition
     const ordersModule = require('../../../lib/drift/orders')
-    mockClosePosition = jest.fn().mockResolvedValue({
+    mockClosePosition = ordersModule.closePosition
+    mockClosePosition.mockResolvedValue({
       success: true,
       transactionSignature: 'CLOSE_TX',
       realizedPnL: -10.50
     })
-    ordersModule.closePosition = mockClosePosition
     
     // Mock Prisma
     const { getPrismaClient } = require('../../../lib/database/trades')
     mockPrisma = {
       trade: {
         findUnique: jest.fn(),
+        findFirst: jest.fn().mockResolvedValue(null),
         update: jest.fn()
       }
     }
@@ -214,6 +217,9 @@ describe('Bug #80: Retry Loop Cooldown', () => {
       
       // But database has recent attempt
       const twoMinutesAgo = new Date(Date.now() - (2 * 60 * 1000))
+      mockPrisma.trade.findFirst.mockResolvedValue({
+        configSnapshot: { retryCloseTime: twoMinutesAgo.toISOString() }
+      })
       mockPrisma.trade.findUnique.mockResolvedValue({
         id: 'trade1',
         configSnapshot: {
@@ -245,6 +251,9 @@ describe('Bug #80: Retry Loop Cooldown', () => {
           retryCloseTime: oneMinuteAgo.toISOString()
         }
       })
+      mockPrisma.trade.findFirst.mockResolvedValue({
+        configSnapshot: { retryCloseTime: oneMinuteAgo.toISOString() }
+      })
       
       await (verifier as any).retryClose(mismatch)