refactor: extract UI from ImageShowTool into separate component

fix: integrate Jimp/ink-picture in ImageShowTool and apply sixel patch

fix: patch sixel upng.js missing var declaration for bundled ESM

refactor: integrate ink-picture as source directory

feat: VAD

feat: VAD but just case choose

feat: grop free stt

feat: friend text tts ok but websearch tts not ok

feat: feishu

feat: feishu connect

feat: voice mode asr

feat: add new free provider opencode

feat: tls make web_search ok

fix: web search and fetch

feat: zero-search

fix: WebSearch API error

init: verspercode v0.1.0