This paper introduces YeasierAgent, an application-building paradigm based on symbiotic agents, narrative worlds, and scene-aware interaction. It challenges the conventional device-coupled model of software by redefining applications as collaborative spaces among users, agents, and worlds. We present a system architecture that achieves two primary contributions: (1) enabling the rapid, cross-platform construction of agent-native applications by utilizing platform-agnostic interactive units (agents, scenes, dialogue) rather than fixed graphical layouts; and (2) unifying the emotional companionship and practical tool execution attributes of intelligent agents within a single experiential sandbox. By integrating automated generation, user-created worlds, and spatial multi-agent collaboration, YeasierAgent formalizes the category of Symbiotic Agent-Native Applications, demonstrating a shift from isolated, tool-specific chatbots toward cohesive, socially embedded computational environments.

翻译：本文提出YeasierAgent——一种基于共生智能体、叙事世界与场景感知交互的应用构建范式。该范式通过将应用重新定义为用户、智能体与世界的协作空间，挑战了传统的设备耦合型软件模式。我们提出的系统架构主要实现两项贡献：(1) 利用平台无关的交互单元（智能体、场景、对话）而非固定图形布局，实现智能体原生应用的跨平台快速构建；(2) 在统一的体验沙盒中融合智能体的情感陪伴属性与实用工具执行属性。通过集成自动生成、用户自创世界与空间多智能体协作，YeasierAgent将"共生智能体原生应用"这一范畴形式化，展示了从孤立工具型聊天机器人向具有社会嵌入性的连贯计算环境的范式迁移。