Sources

Sources define where skills are fetched from.

Field	Required	Default	Description
`name`	No	—	Unique identifier (alphanumeric, `-`, `_`, `/`); supports `user/repo` format. When empty or invalid, the URL is used as the name
`type`	No	`"git"`	Source type: `git` or `api`
`url`	Yes	—	Repository URL (must start with `http://` or `https://`)