Origens de negociação

📄️List deal sources

Where deals come from, as a bare array ordered by name. This is the list the

📄️Create a deal source

Create a deal source

📄️Get a deal source

Get a deal source

📄️Update a deal source

Renaming a source updates it in place, so the deals already pointing at it follow.

📄️Delete a deal source

Deals that pointed here are not deleted: their `source_id` is set to null and