Move local ip address resolve to CLI

Editor assessment

The subject describes a mechanical relocation: local IP address resolution moved from core to the CLI. The what is fully clear, but the why (responsibility boundaries, reuse by the dev server, or decoupling) is unstated, and for a purely structural refactor that missing motivation is the main content a body could add. Type refactor is accurate; no scope token, tolerable for a cross-cutting move. No footers. Valid and readable, teaching nothing beyond the move.