feat: add signed PostgreSQL release updates

oa-backend/src/main/java/com/kaidi/oa/domain/PmtLoanScheme.java

@@ -41,7 +41,7 @@ public class PmtLoanScheme {
     private BigDecimal amount = BigDecimal.ZERO;
 
     /** 年化利率（百分比，如 4.35 表示 4.35%）。 */
-    private Double annualRate;
+    private BigDecimal annualRate;
 
     /** 期限（月）。 */
     private Integer termMonths;
@@ -56,7 +56,7 @@ public class PmtLoanScheme {
     private String guaranteeType;
 
     /** 担保费率（年化，百分比）。 */
-    private Double guaranteeRate;
+    private BigDecimal guaranteeRate;
 
     /** 提款条件（文字描述）。 */
     private String drawdownConditions;
@@ -65,7 +65,7 @@ public class PmtLoanScheme {
      * 系统自动计算的综合成本率（利息+费用+担保成本之和/本金，IRR 简化口径，百分比）。
      * 创建/更新时服务端根据 rate+费用+担保自动回填。
      */
-    private Double effectiveCostRate;
+    private BigDecimal effectiveCostRate;
 
     /** 综合排名（越小越优，由 /rank 端点服务端按综合成本排序后写入）。 */
     private Integer rank;
@@ -104,8 +104,8 @@ public class PmtLoanScheme {
     public BigDecimal getAmount() { return amount; }
     public void setAmount(BigDecimal amount) { this.amount = amount; }
 
-    public Double getAnnualRate() { return annualRate; }
-    public void setAnnualRate(Double annualRate) { this.annualRate = annualRate; }
+    public BigDecimal getAnnualRate() { return annualRate; }
+    public void setAnnualRate(BigDecimal annualRate) { this.annualRate = annualRate; }
 
     public Integer getTermMonths() { return termMonths; }
     public void setTermMonths(Integer termMonths) { this.termMonths = termMonths; }
@@ -119,14 +119,14 @@ public class PmtLoanScheme {
     public String getGuaranteeType() { return guaranteeType; }
     public void setGuaranteeType(String guaranteeType) { this.guaranteeType = guaranteeType; }
 
-    public Double getGuaranteeRate() { return guaranteeRate; }
-    public void setGuaranteeRate(Double guaranteeRate) { this.guaranteeRate = guaranteeRate; }
+    public BigDecimal getGuaranteeRate() { return guaranteeRate; }
+    public void setGuaranteeRate(BigDecimal guaranteeRate) { this.guaranteeRate = guaranteeRate; }
 
     public String getDrawdownConditions() { return drawdownConditions; }
     public void setDrawdownConditions(String drawdownConditions) { this.drawdownConditions = drawdownConditions; }
 
-    public Double getEffectiveCostRate() { return effectiveCostRate; }
-    public void setEffectiveCostRate(Double effectiveCostRate) { this.effectiveCostRate = effectiveCostRate; }
+    public BigDecimal getEffectiveCostRate() { return effectiveCostRate; }
+    public void setEffectiveCostRate(BigDecimal effectiveCostRate) { this.effectiveCostRate = effectiveCostRate; }
 
     public Integer getRank() { return rank; }
     public void setRank(Integer rank) { this.rank = rank; }