feat: Complete onboarding system with No Website functionality

- Add No Website button to Step 2 with business description form
- Implement onboarding cache service for browser-side data storage
- Add business info database models and API endpoints
- Update API key manager to save keys to .env file immediately
- Add database migration scripts for business info table
- Create reset onboarding script for fresh starts
- Implement hybrid data storage (API keys to backend, other data to cache)
- Add comprehensive business info CRUD operations
- Include database table creation and migration tools

frontend/src/components/OnboardingWizard/BusinessDescriptionStep.tsx

@@ -2,6 +2,7 @@ import React, { useState, useEffect } from 'react';
 import { Box, Button, TextField, Typography, Card, CardContent, CircularProgress, Alert } from '@mui/material';
 import { ArrowBack as ArrowBackIcon, Save as SaveIcon, CheckCircle as CheckCircleIcon } from '@mui/icons-material';
 import { businessInfoApi, BusinessInfo } from '../../api/businessInfo';
+import { onboardingCache } from '../../services/onboardingCache';
 
 interface BusinessDescriptionStepProps {
   onBack: () => void;
@@ -19,6 +20,17 @@ const BusinessDescriptionStep: React.FC<BusinessDescriptionStepProps> = ({ onBac
   const [error, setError] = useState<string | null>(null);
   const [success, setSuccess] = useState<string | null>(null);
 
+  useEffect(() => {
+    console.log('🔄 BusinessDescriptionStep mounted. Loading cached data...');
+    const cachedData = onboardingCache.getStepData(2)?.businessInfo;
+    if (cachedData) {
+      setFormData(cachedData);
+      console.log('✅ Loaded cached business info:', cachedData);
+    } else {
+      console.log('ℹ️ No cached business info found.');
+    }
+  }, []);
+
   const handleChange = (e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement>) => {
     const { name, value } = e.target;
     setFormData(prev => ({ ...prev, [name]: value }));
@@ -39,6 +51,10 @@ const BusinessDescriptionStep: React.FC<BusinessDescriptionStepProps> = ({ onBac
       console.log('✅ Business info saved to DB:', response);
       setSuccess('Business information saved successfully!');
 
+      // Also save to cache for consistency with other steps
+      onboardingCache.saveStepData(2, { businessInfo: response, hasWebsite: false });
+      console.log('✅ Business info saved to cache.');
+
       setTimeout(() => {
         onContinue();
       }, 1500); // Give user time to see success message