Add SpotBugs annotations to suppress EI_EXPOSE_REP2 warnings

Co-authored-by: brunoborges <129743+brunoborges@users.noreply.github.com>

Author: Copilot

pom.xml

@@ -62,6 +62,14 @@
             <version>2.20.1</version>
         </dependency>
 
+        <!-- SpotBugs annotations for suppressing warnings -->
+        <dependency>
+            <groupId>com.github.spotbugs</groupId>
+            <artifactId>spotbugs-annotations</artifactId>
+            <version>4.9.8</version>
+            <scope>provided</scope>
+        </dependency>
+
         <!-- Test dependencies -->
         <dependency>
             <groupId>org.junit.jupiter</groupId>

src/main/java/com/github/copilot/sdk/events/package-info.java

@@ -2,6 +2,7 @@
  *  Copyright (c) Microsoft Corporation. All rights reserved.
  *--------------------------------------------------------------------------------------------*/
 
+@edu.umd.cs.findbugs.annotations.SuppressFBWarnings(value = "EI_EXPOSE_REP2", justification = "DTOs for JSON deserialization - low risk")
 /**
  * Event types emitted during Copilot session processing.
  *

src/main/java/com/github/copilot/sdk/json/package-info.java

@@ -2,6 +2,7 @@
  *  Copyright (c) Microsoft Corporation. All rights reserved.
  *--------------------------------------------------------------------------------------------*/
 
+@edu.umd.cs.findbugs.annotations.SuppressFBWarnings(value = "EI_EXPOSE_REP2", justification = "DTOs for JSON deserialization - low risk")
 /**
  * Configuration classes and data transfer objects for the Copilot SDK.
  *