`create_alias`

Point an alias at a collection. Aliases are how you keep callers stable while rebuilding collections underneath.

Example

up:
  - op: create_alias
    collection: products_v2
    alias: products

Field	Type	Required	Description
`collection`	string	yes	Collection the alias should resolve to.
`alias`	string	yes	Alias name.

Auto-reversible → delete_alias.