curl -X POST "http://localhost:8080/namespaces" \
  -H "Content-Type: application/json" \
  -d '{
    "namespace_name": "my-documents",
    "type": "text"
  }'

curl -X POST "http://localhost:8080/namespaces" \
  -H "Content-Type: application/json" \
  -d '{
    "namespace_name": "my-embeddings",
    "type": "vector",
    "vector_dimension": 768
  }'

{
  "status": "success",
  "message": "Namespace 'my-documents' created successfully.",
  "namespace_name": "my-documents",
  "type": "text",
  "vector_dimension": null
}

{
  "status": "success",
  "message": "Namespace 'my-embeddings' created successfully.",
  "namespace_name": "my-embeddings",
  "type": "vector",
  "vector_dimension": 768
}

{
  "status": "failure",
  "message": "Bad Request: namespace_name must contain only alphanumeric characters, hyphens, and underscores."
}

{
  "status": "failure",
  "message": "Bad Request: vector_dimension is only allowed for vector namespaces."
}

{
  "status": "failure",
  "message": "Bad Request: vector_dimension is required and must be > 0 for vector namespaces."
}

{
  "status": "failure",
  "message": "Namespace 'my-documents' already exists."
}

{
  "status": "failure",
  "message": "Internal Server Error creating namespace."
}