AI Workflow Execution Server
Execute workflows using AI agents
Available endpoints:
  GET  /agents - List all available agents
  POST /execute - Execute a workflow with Server-Sent Events (SSE) streaming
       - Supports Postman SSE (v10.10+)
       - URL: /execute?agent=credentialing&dryRun=true
       - Body (JSON): { workflow: {...}, user: {...} }
       - Headers: Content-Type: application/json
       - dryRun is passed as a query parameter
       - Returns real-time workflow execution updates via SSE