The question and the permitted endings

XV-E XVE performed a source recovery pass and found the data defining the full joint characteristic operation incomplete at its gate E0. XV-F asks:

Does the recoverable source material define the frozen six-branch operation well enough to construct its preliminary lift and test descent under the actual reconstruction map?

Exactly one of three endings is permitted for the graph-level problem: Lift defined and descended; Obstructed in the frozen class, with the class proved exhaustive; or Unresolved at a named gate. Source incompleteness is not an analytic obstruction. Descent would not be quantum admission.