What it does: Re-grades a completed job of yours under a candidate profile (or your current one when profile is omitted) and reports every room whose score or band would move. It is arithmetic on the checks the job stored: no model call, nothing is changed, and it does not show what the model would have picked differently.

Only rooms whose outcome the score decided are counted (graded); exact matches, kept mappings and guard rejections are reported as notDecidedByScore since no profile moves them. A job that is not completed, or one scored before profiles existed, is 400.

Available to accounts with their own isolated room-mapping cache; others receive 409. Details: Implementation Workflow (doc page: implementation-workflow).