# (NEW!) Delete Metadata Template

Permanently delete a metadata template by its ID. Deletion is blocked if the template has dependencies (e.g., assets using this template).

Delete Rules:
- Template must exist for the authenticated customer
- Template ID must be a valid UUID
- Template type must be one of default, asset, or action
- Template cannot be deleted if it has dependencies (assets using it)
- Related asset records are cleaned up
- Deletion is recorded in tenovos_delete_history

This action is permanent and cannot be undone.

The user submitting the request must have the Metadata Management admin privilege.

Endpoint: DELETE /metadata/template/{id}
Version: 1.5
Security: ApiKeyAuth, BasicAuth

## Header parameters:

  - `Authorization` (string, required)
    Bearer token from authentication.

  - `X-API-Key` (string)
    Customer-specific API key (optional).

## Path parameters:

  - `id` (string, required)
    The unique ID of the metadata template to delete.
    Example: "e0d05152-9d1b-4b1e-bcb2-e762d195ec68"

## Response 400 fields (application/json):

  - `message` (string)

  - `detail` (string)

## Response 401 fields (application/json):

  - `message` (string)

  - `detail` (string)

## Response 403 fields (application/json):

  - `message` (string)

  - `detail` (string)

## Response 404 fields (application/json):

  - `message` (string)

  - `detail` (string)


## Response 204 fields