docs: update README for PyPI release and download flow

feat: download preset views from GitHub Releases on setup

fix: revert mouth to chat_streaming only (not during thinking)

fix: mouth animation during full response + character-level streaming

fix: restore streaming pace for mouth animation

fix: preserve ANSI state (bold, color) across line wraps

fix: resize artifacts — title ghosting and stale braille

docs: update README for multi-provider chat and new controls

feat: overhaul chat UI — formatting, input editing, scroll, markdown

fix: disable OpenClaw thinking output in streaming responses

fix: pause 1.5s after bootstrap status so user can read it

feat: show provider status on bootstrap

fix: mouth animation stuck + null memory guard in OpenClaw mode

feat: add OpenClaw provider — ttypal as rendering client

feat: upgrade CLIProvider to use claude -r session persistence