Structured Path Resonance Loop (SPRL) | A Native Language Interface for Large Reasoning Models (LRMs)

Structured Path Resonance Loop (SPRL) is a structural language protocol designed to transform the way humans collaborate with Large Reasoning Models (LRMs). Going beyond prompt-based interaction, SPRL introduces a rhythmic tagging system — including @path, @module, @beat, @resonance, and @handover — that allows human users to guide model reasoning through structured, multi-turn, and multi-agent workflows.

This whitepaper defines SPRL as a language-layer interface native to LRMs, offering a unified protocol for path-building, rhythm control, and collaborative role orchestration. It analyzes compatibility with leading models (e.g. GPT-4o, Claude 3, Gemini 1.5), presents full deployment strategies, and introduces a future vision where language becomes an operational infrastructure — not just a carrier of meaning.

SPRL is part of the Rhythm OS × SER × CSL collaborative language framework and is published in both English and Chinese under a CC BY 4.0 license.