Update READMEs with config file setup (Option A/B), tool section,
set_search_key command, and touch-before-build note. Update
ARCHITECTURE.md with ReAct data flow, tools module map, non-streaming
API protocol, and config priority. Mark tool use items done in TODO.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
- Add README_CN.md with proxy setup guide for users in China
- Add language switcher to both READMEs
- Add set_proxy/clear_proxy to More Commands section
- Update default model to claude-opus-4-6
- Add Nanobot to acknowledgments
- Update ARCHITECTURE.md: proxy module, stack sizes, NVS config
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>