Add ui.py — complete Gradio UI with 6 tabs

Add llm_client.py — unified multi-provider LLM client

Add agent.py — core agent with router, planner, executor, memory, safety

Add config.py — model registry, prompts, tools

Add multeclaw package __init__.py

Add app.py entry point

Add requirements.txt

Initial commit: Multeclaw multi-model AI agent system

initial commit