fix: update npm scope from @fengtc to @fengtc1182482

fix: repair package metadata for scoped npm publishing

chore: prepare scoped npm package publishing docs

docs: rewrite README and PR summary in Chinese for derived multi-bot version

docs: add PR summary and multi-bot changelog

docs: add multi-bot example config and verification checklist

fix: stabilize multi-bot build and runtime defaults

fix: use configured default account for mcp transport

fix: honor configured default account in outbound sends

docs: clarify minimal multi-bot onboarding limitations

fix: scope group policy to current wecom account

feat: minimal multi-bot support for wecom plugin