feat(loan-products): add product master table and GL account seeding for loan interest rate registe

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanRateRegisterProduct.java

@@ -0,0 +1,52 @@
+/**
+ * Copyright since 2025 Mifos Initiative
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+package org.apache.fineract.portfolio.loanproduct.domain;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.Table;
+import java.time.LocalDateTime;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+/**
+ * A "particular" (loan type) row of the Loan Interest Rate Register chart. The GL account is a
+ * property of the particular, so it lives here rather than on each rate-register version. Kept as a
+ * plain {@code gl_account_id} column (no relation) to avoid pulling the accounting module's entity
+ * graph into the loan module.
+ */
+@Entity
+@Table(name = "m_loan_rate_register_product")
+@Getter
+@Setter
+@NoArgsConstructor
+public class LoanRateRegisterProduct {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @Column(name = "sr_no", nullable = false)
+    private Integer srNo;
+
+    @Column(name = "name", length = 200, nullable = false)
+    private String name;
+
+    @Column(name = "gl_account_id")
+    private Long glAccountId;
+
+    @Column(name = "is_active", nullable = false)
+    private Boolean isActive;
+
+    @Column(name = "created_date")
+    private LocalDateTime createdDate;
+}

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanRateRegisterProductRepository.java

@@ -0,0 +1,17 @@
+/**
+ * Copyright since 2025 Mifos Initiative
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ */
+package org.apache.fineract.portfolio.loanproduct.domain;
+
+import java.util.List;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface LoanRateRegisterProductRepository extends JpaRepository<LoanRateRegisterProduct, Long> {
+
+    /** Active particulars in chart order. */
+    List<LoanRateRegisterProduct> findByIsActiveTrueOrderBySrNoAsc();
+}

fineract-loan/src/main/java/org/apache/fineract/portfolio/loanproduct/domain/LoanRateRegisterSlabHistory.java

@@ -41,6 +41,10 @@ public class LoanRateRegisterSlabHistory {
     private Long effectiveId;
 
     // ---- product dimension ----------------------------------------------
+    /** Stable link to the master particular (and its GL). Null only for rows written before the master existed. */
+    @Column(name = "product_id")
+    private Long productId;
+
     @Column(name = "product_sr_no", nullable = false)
     private Integer productSrNo;
 
@@ -73,11 +77,12 @@ public class LoanRateRegisterSlabHistory {
     @Column(name = "created_date")
     private LocalDateTime createdDate;
 
-    public static LoanRateRegisterSlabHistory create(final Long effectiveId, final Integer productSrNo, final String productName,
-            final Integer slabOrder, final String slabLabel, final BigDecimal amountUpto, final BigDecimal rateValue,
-            final String rateFormula, final boolean isFormula, final boolean isNa) {
+    public static LoanRateRegisterSlabHistory create(final Long effectiveId, final Long productId, final Integer productSrNo,
+            final String productName, final Integer slabOrder, final String slabLabel, final BigDecimal amountUpto,
+            final BigDecimal rateValue, final String rateFormula, final boolean isFormula, final boolean isNa) {
         final LoanRateRegisterSlabHistory s = new LoanRateRegisterSlabHistory();
         s.effectiveId = effectiveId;
+        s.productId = productId;
         s.productSrNo = productSrNo;
         s.productName = productName;
         s.slabOrder = slabOrder;