Run all diagnostic checks (Redis, OpenAI, Environment, URLs, Companies)
Test Redis connection, set/get operations, and company data lookup
Test OpenAI connection, model access, and assistant functionality
Validate all required environment variables are present
Test n8n-compatible slug generation algorithm
List all stored company->assistant mappings in Redis
Test demo site creation with OpenAI assistant
Test Redis lookup for company->assistant mapping
Test complete chat flow: create assistant + send message
Test n8n webhook with valid payload data
Test n8n webhook error handling with invalid data
Clean up test data from Redis and other storage