changes in json validation service

pom.xml

@@ -63,6 +63,7 @@
 
 	<build>
     <plugins>
+        <!-- Spring Boot Plugin -->
         <plugin>
             <groupId>org.springframework.boot</groupId>
             <artifactId>spring-boot-maven-plugin</artifactId>
@@ -70,4 +71,5 @@
     </plugins>
 </build>
 
+
 </project>

src/main/java/com/gcc/crslogs/service/BirthAndDeathDetailsService.java

@@ -120,6 +120,7 @@ public class BirthAndDeathDetailsService {
 
 	    // Remove illegal control characters (but keep line breaks if needed)
 	    return rawJson
+	    	.replace("\\", "\\\\")                       // Escape backslashes
 	        .replaceAll("[\\p{Cntrl}&&[^\r\n\t]]", "") // Remove non-printable control characters (except tabs/newlines)
 	        .replaceAll("\t", "")                     // Remove tab characters explicitly (common cause of error)
 	        .replaceAll("\\s*:\\s*\n\\s*\"", ":\"")   // Fix broken key-value splits