🔍 KEELANCE SAAS PLATFORM - SETUP VERIFICATION
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✅ Authentication Manager - src/Auth/AuthManager.php
✅ Multi-Tenant Manager - src/MultiTenant/TenantManager.php
✅ Subscription Manager - src/Billing/SubscriptionManager.php
✅ Payment Manager - src/Billing/PaymentManager.php
✅ File Manager - src/FileManager.php
✅ Client Model - src/Client.php
✅ Invoice Model - src/Invoice.php
✅ Proposal Model - src/Proposal.php
✅ Database Connection - src/db.php
✅ Login Page - public/login.php
✅ Dashboard - public/dashboard.php
✅ Billing Page - public/billing.php
✅ Clients Page - public/clients.php
✅ Navigation - public/navigation.php
✅ Storage Handler - public/storage.php
✅ Workspace Switching API - public/api/switch-workspace.php
✅ Stripe API - public/api/create-stripe-session.php
✅ Razorpay API - public/api/create-razorpay-link.php
✅ Stripe Webhook - public/webhooks/stripe.php
✅ Razorpay Webhook - public/webhooks/razorpay.php
❌ SaaS Database Schema - database/saas_schema.sql (MISSING)
❌ Migration Script - database/migrate_to_multitenant.php (MISSING)
❌ Environment Template - .env.example (MISSING)

📁 Storage Directories:
✅ storage
✅ storage/companies
ℹ️  storage/pdfs (will be created automatically)
ℹ️  storage/logos (will be created automatically)
ℹ️  storage/signatures (will be created automatically)
ℹ️  storage/proposals (will be created automatically)
ℹ️  storage/invoices (will be created automatically)
ℹ️  storage/contracts (will be created automatically)
ℹ️  storage/temp (will be created automatically)

🔄 Multi-Tenant File Updates:
✅ public/proposals.php (multi-tenant updated)
✅ public/invoices.php (multi-tenant updated)
✅ public/contracts.php (multi-tenant updated)
✅ public/generate.php (multi-tenant updated)
✅ public/invoice_create.php (multi-tenant updated)
✅ public/invoice_view.php (multi-tenant updated)
✅ public/invoice_items.php (multi-tenant updated)
✅ public/invoice_settings.php (multi-tenant updated)
✅ public/contract_create.php (multi-tenant updated)
✅ public/contract_templates.php (multi-tenant updated)
✅ public/contract_modules.php (multi-tenant updated)
✅ public/contract_sign.php (multi-tenant updated)
✅ public/template_create.php (multi-tenant updated)
✅ public/templates.php (multi-tenant updated)
✅ public/modules.php (multi-tenant updated)
✅ public/settings.php (multi-tenant updated)
✅ public/upload-image.php (multi-tenant updated)
✅ public/download.php (multi-tenant updated)

📊 SETUP SUMMARY:
⚠️  Some files are missing. Please review the setup.

🔧 TECHNICAL SPECIFICATIONS:
• Multi-tenant MySQL database
• PHP 8.0+ with PDO
• Subdomain-based workspace routing
• Company-scoped file storage
• RESTful API architecture
• Modern TailwindCSS UI
• Payment gateway integration
• Usage-based plan enforcement

📈 SCALABILITY FEATURES:
• Horizontal database scaling ready
• File storage can be moved to S3
• Cache-friendly architecture
• API-first design for integrations
• Microservices-ready structure

🎯 READY TO LAUNCH YOUR SAAS BUSINESS!