ContainerNursery Management API (HTTPS)
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Health & Status:
  GET  /health           - Basic health check
  GET  /health/detailed  - Detailed health with all container info
  GET  /containers       - List all active containers

Route Management:
  GET    /routes         - List configured routes
  POST   /routes         - Add a new route
  PUT    /routes         - Update an existing route
  DELETE /routes         - Remove a route