feat: Airwallex 发卡管理后台完整实现

- 后端: FastAPI + SQLAlchemy + SQLite, JWT认证, 代理支持的AirwallexClient
- 前端: React 18 + Vite + Ant Design 5, 中文界面
- 功能: 卡片管理, 持卡人管理, 交易记录, API令牌, 系统设置, 审计日志
- 第三方API: X-API-Key认证, 权限控制
- Docker部署: docker-compose编排前后端

airwallex-sdk/airwallex/models/fx.py

@@ -0,0 +1,58 @@
+"""
+Models for the Airwallex FX API.
+"""
+from typing import Optional, List, Dict, Any
+from datetime import datetime
+from pydantic import Field
+from .base import AirwallexModel
+
+
+class ExchangeRate(AirwallexModel):
+    """Model for exchange rate information."""
+    source_currency: str = Field(..., description="Source currency code (ISO 4217)")
+    target_currency: str = Field(..., description="Target currency code (ISO 4217)")
+    rate: float = Field(..., description="Exchange rate")
+    timestamp: datetime = Field(..., description="Timestamp when the rate was fetched")
+
+
+class FXQuote(AirwallexModel):
+    """Model for FX quote."""
+    id: str = Field(..., description="Quote ID")
+    source_currency: str = Field(..., description="Source currency code (ISO 4217)")
+    target_currency: str = Field(..., description="Target currency code (ISO 4217)")
+    source_amount: Optional[float] = Field(None, description="Source amount")
+    target_amount: Optional[float] = Field(None, description="Target amount")
+    rate: float = Field(..., description="Exchange rate")
+    fee: Optional[Dict[str, Any]] = Field(None, description="Fee details")
+    expires_at: datetime = Field(..., description="Quote expiration timestamp")
+    created_at: datetime = Field(..., description="Quote creation timestamp")
+
+
+class FXConversion(AirwallexModel):
+    """Model for an FX conversion."""
+    resource_name: str = "fx/conversions"
+    
+    id: str = Field(..., description="Conversion ID")
+    request_id: str = Field(..., description="Client-generated request ID")
+    source_currency: str = Field(..., description="Source currency code (ISO 4217)")
+    target_currency: str = Field(..., description="Target currency code (ISO 4217)")
+    source_amount: float = Field(..., description="Source amount")
+    target_amount: float = Field(..., description="Target amount")
+    rate: float = Field(..., description="Exchange rate")
+    status: str = Field(..., description="Conversion status")
+    created_at: datetime = Field(..., description="Conversion creation timestamp")
+    updated_at: Optional[datetime] = Field(None, description="Conversion last update timestamp")
+    account_id: str = Field(..., description="Source account ID")
+    settlement_date: Optional[datetime] = Field(None, description="Settlement date")
+    quote_id: Optional[str] = Field(None, description="Quote ID used for this conversion")
+
+
+class FXConversionCreateRequest(AirwallexModel):
+    """Model for FX conversion creation request."""
+    request_id: str = Field(..., description="Client-generated unique ID for the request")
+    source_currency: str = Field(..., description="Source currency code (ISO 4217)")
+    target_currency: str = Field(..., description="Target currency code (ISO 4217)")
+    source_amount: Optional[float] = Field(None, description="Source amount (required if target_amount is not provided)")
+    target_amount: Optional[float] = Field(None, description="Target amount (required if source_amount is not provided)")
+    account_id: str = Field(..., description="Source account ID")
+    quote_id: Optional[str] = Field(None, description="Quote ID to use for this conversion")