供应商信息管理，新增供应商信息，主要包括：产品型号，交付时间，产品价格，可交付数量，交易对手方，预付款比例等

src/main/java/com/aiassistant/model/SupplierProduct.java

@@ -1,60 +1,14 @@
 package com.aiassistant.model;
 
 import java.util.Date;
+import lombok.Data;
 
+@Data
 public class SupplierProduct {
     private String productModel;
-    private Date deliveryTime;
+    private String deliveryTime;
     private Double productPrice;
     private Integer deliverableQuantity;
     private String tradingCounterparty;
     private Double advancePaymentRatio;
-
-    public String getProductModel() {
-        return productModel;
-    }
-
-    public void setProductModel(String productModel) {
-        this.productModel = productModel;
-    }
-
-    public Date getDeliveryTime() {
-        return deliveryTime;
-    }
-
-    public void setDeliveryTime(Date deliveryTime) {
-        this.deliveryTime = deliveryTime;
-    }
-
-    public Double getProductPrice() {
-        return productPrice;
-    }
-
-    public void setProductPrice(Double productPrice) {
-        this.productPrice = productPrice;
-    }
-
-    public Integer getDeliverableQuantity() {
-        return deliverableQuantity;
-    }
-
-    public void setDeliverableQuantity(Integer deliverableQuantity) {
-        this.deliverableQuantity = deliverableQuantity;
-    }
-
-    public String getTradingCounterparty() {
-        return tradingCounterparty;
-    }
-
-    public void setTradingCounterparty(String tradingCounterparty) {
-        this.tradingCounterparty = tradingCounterparty;
-    }
-
-    public Double getAdvancePaymentRatio() {
-        return advancePaymentRatio;
-    }
-
-    public void setAdvancePaymentRatio(Double advancePaymentRatio) {
-        this.advancePaymentRatio = advancePaymentRatio;
-    }
 }