Rename to attack_categories

Author: manuel-alvarez-alvarez

dd-java-agent/agent-aiguard/src/main/java/com/datadog/aiguard/AIGuardInternal.java

@@ -69,7 +69,7 @@ public BadConfigurationException(final String message) {
   static final String BLOCKED_TAG = "ai_guard.blocked";
   static final String META_STRUCT_TAG = "ai_guard";
   static final String META_STRUCT_MESSAGES = "messages";
-  static final String META_STRUCT_MATCHING_RULES = "matching_rules";
+  static final String META_STRUCT_CATEGORIES = "attack_categories";
 
   public static void install() {
     final Config config = Config.get();
@@ -231,7 +231,7 @@ public Evaluation evaluate(final List<Message> messages, final Options options)
           span.setTag(REASON_TAG, reason);
         }
         if (tags != null && !tags.isEmpty()) {
-          metaStruct.put(META_STRUCT_MATCHING_RULES, tags);
+          metaStruct.put(META_STRUCT_CATEGORIES, tags);
         }
         final boolean shouldBlock =
             isBlockingEnabled(options, result.get("is_blocking_enabled")) && action != Action.ALLOW;

dd-java-agent/agent-aiguard/src/test/groovy/com/datadog/aiguard/AIGuardInternalTests.groovy

@@ -200,7 +200,7 @@ class AIGuardInternalTests extends DDSpecification {
 
     receivedMeta.messages == suite.messages
     if (suite.tags) {
-      receivedMeta.matching_rules == suite.tags
+      receivedMeta.attack_categories == suite.tags
     }
     assertRequest(request, suite.messages)
     if (throwAbortError) {