Calendar shows daily closed trade count and PnL with emotion-day highlighting; day click loads review-first trade list. Use exchange-only entry average and improve vnpy position sync after CTP reconnect.
Retry stats cache commits, serialize refresh, and fall back to read-only compute so the stats API does not return 500 when the database is briefly locked.
Co-authored-by: Cursor <cursoragent@cursor.com>
dekun