CLEF-Screen: JointSchemaHead redo FT (seed1, 3 epochs) from jev-retrain MI355X run 2026-11-04
2b605e8 verified | """Named refusals of the clef-flash host. | |
| Every refusal is a `RequestError`, itself a `ValueError`: code that catches the ValueError the checkpoint's own | |
| `systemone()` raises catches these too, and the first six carry the author's message word for word. The last two are | |
| the host's own: it reads one picture at a fixed tile and runs row graphs of at most 4,096 tokens.""" | |
| from __future__ import annotations | |
| class RequestError(ValueError): | |
| """The request cannot be answered as given.""" | |
| class MissingModelOrState(RequestError): | |
| """`model` is not a string or `state` is absent ("model and state are required").""" | |
| class NoQuestions(RequestError): | |
| """`questions` is not a non-empty object ("at least one question is required").""" | |
| class BadQuestionType(RequestError): | |
| """A question's `type` is not noul, choice or score ("<id>: type must be noul, choice, or score").""" | |
| class EmptyCriteria(RequestError): | |
| """A choice or score question without criteria ("<id>: criteria must not be empty").""" | |
| class SchemaTooLong(RequestError): | |
| """The prefix, picture, schema and suffix alone exceed max_length (encode_record: "schema requires N tokens | |
| before state; maximum is M").""" | |
| class EmptyRecord(RequestError): | |
| """The record gives no ids or no questions (encode_record: "record produced no model input or questions").""" | |
| class UnsupportedMedia(RequestError): | |
| """Host only: more than one picture, `videos`, `media_kwargs`, a picture the host cannot open, or a tile other | |
| than 256 / 448 (the two tower graphs).""" | |
| class RequestTooLong(RequestError): | |
| """Host only: the record is longer than the largest row graph (4,096 tokens). It is refused, never truncated.""" | |