https://jayden0.com/blog A quiet notebook on code, design, and the small pleasures of making things well. en-us (Jayden) (Jayden) Wed, 01 Jul 2026 00:00:00 GMT https://jayden0.com/blog/how-to-build-your-own-agent-project/system-prompt-art https://jayden0.com/blog/how-to-build-your-own-agent-project/system-prompt-art 系统提示词不是一句角色设定，而是一个 Agent 产品的员工手册、行为准则和评估入口。真正重要的不是写出一版完美 prompt，而是建立可测试、可迭代的行为系统。 Wed, 01 Jul 2026 00:00:00 GMT (Jayden) aiagentprompt-engineering