feat: HITL - Revert the "Boolean confirmation" changes, we'll fix it differently

PiperOrigin-RevId: 859186246

Author: google-genai-bot

core/src/main/java/com/google/adk/flows/llmflows/RequestConfirmationLlmRequestProcessor.java

@@ -42,7 +42,6 @@
 import io.reactivex.rxjava3.core.Single;
 import java.util.Collection;
 import java.util.HashMap;
-import java.util.List;
 import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
@@ -110,8 +109,8 @@ public Single<RequestProcessor.RequestProcessingResult> processRequest(
         continue;
       }
 
-      final Map<String, ToolConfirmation> toolsToResumeWithConfirmation = new HashMap<>();
-      final Map<String, FunctionCall> toolsToResumeWithArgs = new HashMap<>();
+      Map<String, ToolConfirmation> toolsToResumeWithConfirmation = new HashMap<>();
+      Map<String, FunctionCall> toolsToResumeWithArgs = new HashMap<>();
 
       event.functionCalls().stream()
           .filter(
@@ -164,16 +163,6 @@ public Single<RequestProcessor.RequestProcessingResult> processRequest(
                 // Create an updated LlmRequest including the new event's content
                 ImmutableList.Builder<Content> updatedContentsBuilder =
                     ImmutableList.<Content>builder().addAll(llmRequest.contents());
-
-                final List<Part> functionCalls =
-                    toolsToResumeWithArgs.values().stream()
-                        .map(functionCall -> Part.builder().functionCall(functionCall).build())
-                        .collect(toImmutableList());
-                Content functionCallContent =
-                    Content.builder().role("model").parts(functionCalls).build();
-                // add function call
-                updatedContentsBuilder.add(functionCallContent);
-                // add function response
                 assembledEvent.content().ifPresent(updatedContentsBuilder::add);
 
                 LlmRequest updatedLlmRequest =

core/src/test/java/com/google/adk/flows/llmflows/RequestConfirmationLlmRequestProcessorTest.java

@@ -97,48 +97,11 @@ public class RequestConfirmationLlmRequestProcessorTest {
                       .build()))
           .build();
 
-  private static final Event FUNCTION_CALL_EVENT =
-      Event.builder()
-          .author("model")
-          .content(
-              Content.builder()
-                  .role("model")
-                  .parts(
-                      Part.builder()
-                          .functionCall(
-                              FunctionCall.builder()
-                                  .id(ORIGINAL_FUNCTION_CALL_ID)
-                                  .name(ECHO_TOOL_NAME)
-                                  .args(ImmutableMap.of("say", "hello"))
-                                  .build())
-                          .build())
-                  .build())
-          .build();
-
-  private static final Event FUNCTION_RESPONSE_EVENT =
-      Event.builder()
-          .author("user")
-          .content(
-              Content.builder()
-                  .role("user")
-                  .parts(
-                      Part.builder()
-                          .functionResponse(
-                              FunctionResponse.builder()
-                                  .id(ORIGINAL_FUNCTION_CALL_ID)
-                                  .name(ECHO_TOOL_NAME)
-                                  .response(
-                                      ImmutableMap.of("result", ImmutableMap.of("say", "hello")))
-                                  .build())
-                          .build())
-                  .build())
-          .build();
-
   private static final RequestConfirmationLlmRequestProcessor processor =
       new RequestConfirmationLlmRequestProcessor();
 
   @Test
-  public void runAsync_withConfirmation_callsOriginalFunctionAndAppendsToUpdatedRequest() {
+  public void runAsync_withConfirmation_callsOriginalFunction() {
     LlmAgent agent = createAgentWithEchoTool();
     Session session =
         Session.builder("session_id")
@@ -158,14 +121,6 @@ public void runAsync_withConfirmation_callsOriginalFunctionAndAppendsToUpdatedRe
     assertThat(fr.id()).hasValue(ORIGINAL_FUNCTION_CALL_ID);
     assertThat(fr.name()).hasValue(ECHO_TOOL_NAME);
     assertThat(fr.response()).hasValue(ImmutableMap.of("result", ORIGINAL_FUNCTION_CALL_ARGS));
-    assertThat(result.updatedRequest())
-        .isEqualTo(
-            LlmRequest.builder()
-                .contents(
-                    ImmutableList.of(
-                        FUNCTION_CALL_EVENT.content().get(),
-                        FUNCTION_RESPONSE_EVENT.content().get()))
-                .build());
   }
 
   @Test