Resend email provider with automatic provider selection

Features

• Resend email provider with automatic provider selection
• Retry-safe send processing with idempotent job queuing
• Live request summary dashboard with real-time statistics
• Tenant API key authentication for secure sending
• Suppression and consent enforcement across all sends
• Delivery lifecycle tracking with webhook normalization
• CRM contact connector with HubSpot integration
• Event-triggered email journey runtime
• Inbound reply classification with safe routing
• Operator trust tooling with decision trace and incident timeline