Get Disavow File

Generate and download a Google Search Console disavow file.

Built from disavow_candidates() — the same filtered, scored list the backlink profile shows — so every domain: line here corresponds to a link the user can see (with its reasons) under suspect in GET /backlinks. Flagged domains (score >= threshold) are formatted as Google's plain-text disavow format (domain:example.com lines).

Returns a text/plain file attachment. This never triggers a DataForSEO call, even on a cache miss — unlike get_backlink_profile(force_refresh=False), which falls back to a live (paid) fetch when no snapshot exists yet. That fallback is appropriate for the /backlinks endpoint, but not for a read-only export that a client could hit repeatedly.