Function write_agent_config_files 

pub(super) fn write_agent_config_files(
    mstore: &Store,
    id_store: &Store,
    identity_store: &Store,
    agent: &AgentDefinition,
    agent_slug: &str,
    work_dir: &str,
) -> Result<(), String>

Write agent config files (CLAUDE.md, .mcp.json, etc.) to the working directory.