fix: emergency automation fix - stop runaway trading loops

- Replace automation service with emergency rate-limited version
- Add 5-minute minimum interval between automation starts
- Implement forced Chromium process cleanup on stop
- Backup broken automation service as .broken file
- Emergency service prevents multiple simultaneous automations
- Fixed 1400+ Chromium process accumulation issue
- Tested and confirmed: rate limiting works, processes stay at 0

app/api/automation/stop/route.js

@@ -1,44 +1,25 @@
-import { NextResponse } from 'next/server'
-import { automationService } from '@/lib/automation-service-simple'
-import { PrismaClient } from '@prisma/client'
-
-const prisma = new PrismaClient()
+import { emergencyAutomation } from '@/lib/emergency-automation'
 
 export async function POST() {
   try {
-    console.log('🛑 Stop automation request received')
+    console.log('🚨 EMERGENCY: Stop request received')
     
-    // Stop the automation service
-    console.log('🛑 Calling automationService.stopAutomation()')
-    const success = await automationService.stopAutomation()
-    console.log('🛑 Stop automation result:', success)
+    const result = await emergencyAutomation.stop()
     
-    // Also update all active automation sessions in database to INACTIVE
-    console.log('🛑 Updating database sessions to STOPPED')
-    const updateResult = await prisma.automationSession.updateMany({
-      where: {
-        status: 'ACTIVE'
-      },
-      data: {
-        status: 'STOPPED', // Use STOPPED instead of INACTIVE for clarity
-        updatedAt: new Date()
-      }
-    })
-    
-    console.log('🛑 Database update result:', updateResult)
-    console.log('🛑 All automation sessions marked as STOPPED in database')
-    
-    if (success) {
-      return NextResponse.json({ success: true, message: 'Automation stopped successfully' })
-    } else {
-      return NextResponse.json({ success: false, error: 'Failed to stop automation' }, { status: 500 })
+    // Also force kill any remaining processes
+    try {
+      const { execSync } = require('child_process')
+      execSync('pkill -f "chrome|chromium" 2>/dev/null || true')
+      console.log('✅ EMERGENCY: Cleanup completed')
+    } catch (cleanupError) {
+      console.error('Cleanup error:', cleanupError.message)
     }
+    
+    return Response.json(result)
   } catch (error) {
-    console.error('Stop automation error:', error)
-    return NextResponse.json({ 
-      success: false, 
-      error: 'Internal server error',
-      message: error.message 
+    return Response.json({
+      success: false,
+      message: error.message
     }, { status: 500 })
   }
 }