Jev glossary
Core Concepts
Context rot
The accuracy loss that comes from padding state with detail unrelated to the question; filter state before sending it.
- Category
- Core Concepts
- Also known as
- None
- Reading time
- 1 min
- Related terms
- 4
- Directory entries
- 2
- Docs
- docs.typesafe.ai
- Added
- 2026-09-24
Definition
The jaggedness page lists a large state full of irrelevant detail as a failure mode: unrelated material acts as a distractor, and a big state makes it harder to tell which part of the input caused a wrong answer.
The guardrail is to retrieve and filter in code first and send only the fields a question needs. When filtering in state is not possible, a Noul can act as a relevance filter, as in the RAG passage cookbook.
Tagslimitationsstate
Related terms
Definitions that connect to this one.
StateThe content a request asks Jev to evaluate: a string, a named object, or an array of messages, shared by every question in the request.Core ConceptsJaggednessThe documented set of jev-1.13 failure modes (literal reading, counting, dates, indirection, context rot), each with a guardrail.Evaluation & TrainingRAG passage classificationScore each retrieved passage with four Noul questions, then decide in code which passages reach the answering model.PatternsDecompositionBreaking a broad judgment into one question per factor, then combining the answers with weights and rules you control in code.Core Concepts
From the Jev directory
Directory entries that go deeper on this term.
A maintained list of jev-1.13's known failure modes, literal reading, unreliable counting, dates as text, indirection, context rot, and contradictory criteria, each with a guardrail.
Jev Practices & PatternsDocs#official#docs#evaluation
Official
Score retrieved passages with four Noul questions each, then route in code: prompt injections dropped, false premises kept as conflicts, and evidence assembled separately for the generator.
Jev CookbooksDocs#official#cookbook#search
Official
From the Jev AI model community
Posts from builders shipping with Jev right now.