Export all marketplace data for a specific connection including its requests and sessions.
  Returns a downloadable JSON file containing the connection configuration and related data.
  
  **Export Contents:**
  - Connection configuration (OAuth settings, client details)
  - All requests associated with the connection
  - All sessions for the connection
  - Export metadata for import compatibility
  
  **Use Cases:**
  - Backup specific connection configurations
  - Migrate individual connections between environments
  - Share connection templates with other tenants
  - Create connection-specific deployment packages
.