tiennm99 c9270764f2 feat: add fake trading module with crypto, stocks, forex and gold ...

Paper trading system with 5 commands (trade_topup, trade_buy,
trade_sell, trade_convert, trade_stats). Supports VN stocks via TCBS,
crypto via CoinGecko, forex via ER-API, and gold via PAX Gold proxy.
Per-user portfolio stored in KV with 60s price caching. 54 new tests.

2026-04-14 15:16:53 +07:00

875 B

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