EVERY SIGNAL, SORTED.

Retrieval Agents, Language Models, Search Programs, Reinforcement Learning, Evidence Provenance, Context Engineering, Evaluation, Auditability and Human Review

Meta taught retrieval agents to write search programs. Save the program with the answer

Retrieval Program Learning lets a model compose dense search, lexical search, fusion, deduplication and reranking into executable code. That makes the search path more capable, and worth preserving as part of the answer receipt.