Return plain dict instead of Pydantic models to avoid validation

Bypass Pydantic validation to avoid datetime parse errors

Load data directly from CSV using pandas

Use mock data to show UI effect

Use raw SQL to bypass SQLAlchemy datetime conversion

Fix datetime handling in trade.py to handle both datetime objects and strings

Enhances platform with robust monitoring and notifications

feat: 新增贸易查询筛选条件并完善巴西贸易数据解析

Initial commit for Hugging Face Space