class CaiJiechao:
    def __init__(self):
        self.username = 'computersniper'
        self.name = 'Cai Jiechao'
        self.position = 'AI & LLM Engineer / Agent Developer'
        self.web = 'https://www.caijiechao.com'
        
        self.ai_native_developer = {
            'tools': ['Claude Code', 'Codex', 'DeepSeek', 'Cursor', 'Trae', 'Antigravity'],
            'daily_tokens': 'Millions',
            'expertise': ['Prompt Engineering', 'LLM Production Code Paradigms']
        }
        
        self.agent_and_llm_engineering = {
            'core': ['Context Engineering', 'RAG Architectures', 'MCP (Model Context Protocol)'],
            'focus': ['LLM Capability Boundaries', 'Skill Development', 'Multi-Agent Systems']
        }
        
        self.core_tech_stack = {
            'languages': ['Python (Expert)', 'Java', 'TypeScript', 'Kotlin'],
            'frameworks': ['FastAPI', 'Next.js', 'Hono', 'React'],
            'databases': ['PostgreSQL', 'SQLite'],
            'infrastructure': ['Docker', 'Asyncio', 'Playwright'],
            'foundations': ['Data Structures', 'Networking']
        }

    def __str__(self):
        return f"{self.name} | {self.position} | I build things for the world."

if __name__ == '__main__':
    me = CaiJiechao()
    print(me)