fixed streaming messages types in tutorials

Author: martimfasantos

docs/tutorials/python/4-agent-executor.md

@@ -19,7 +19,7 @@ Let's look at `examples/helloworld/agent_executor.py`. It defines `HelloWorldAge
     This is a simple helper class that encapsulates the actual "business logic".
 
     ```python { .no-copy }
-    # examples/helloworld/agent_executor.py
+    # examples/helloworld/agent.py
     class HelloWorldAgent:
         async def invoke(self):
             return 'Hello World'
@@ -77,8 +77,8 @@ Let's look at `examples/helloworld/agent_executor.py`. It defines `HelloWorldAge
         ```python { .no-copy }
         # examples/helloworld/agent_executor.py
         async def on_message_stream( # type: ignore
-            self, request: SendMessageStreamingRequest, task: Task | None
-        ) -> AsyncGenerator[SendMessageStreamingResponse, None]:
+            self, request: SendStreamingMessageRequest, task: Task | None
+        ) -> AsyncGenerator[SendStreamingMessageResponse, None]:
             async for chunk in self.agent.stream(): # Iterates over agent's stream
                 message: Message = Message(
                     role=Role.agent,
@@ -87,8 +87,8 @@ Let's look at `examples/helloworld/agent_executor.py`. It defines `HelloWorldAge
                     final=chunk['done'], # Indicates if this is the last chunk
                 )
                 # Yields each chunk as a streaming success response
-                yield SendMessageStreamingResponse(
-                    root=SendMessageStreamingSuccessResponse(
+                yield SendStreamingMessageResponse(
+                    root=SendStreamingMessageSuccessResponse(
                         id=request.id, result=message
                     )
                 )
@@ -98,7 +98,7 @@ Let's look at `examples/helloworld/agent_executor.py`. It defines `HelloWorldAge
 
         1. It iterates through the chunks produced by `self.agent.stream()`.
         2. For each chunk, it creates an A2A `Message`. The `final` attribute of the message is important for streaming; it tells the client if more chunks are coming.
-        3. Each message is `yield`ed, wrapped in a `SendMessageStreamingSuccessResponse`. This is how SSE (Server-Sent Events) are generated by the SDK.
+        3. Each message is `yield`ed, wrapped in a `SendStreamingMessageSuccessResponse`. This is how SSE (Server-Sent Events) are generated by the SDK.
 
     - `on_cancel` and `on_resubscribe`:
         The Helloworld example marks these as `UnsupportedOperationError` because it doesn't implement task cancellation or resubscription.

docs/tutorials/python/6-interact-with-server.md

@@ -104,7 +104,7 @@ Let's look at key parts of `examples/helloworld/test_client.py`:
     ```
 
     - This method calls the agent's `message/sendStream` endpoint.
-    - It returns an `AsyncGenerator`. As the server streams SSE events, the client receives them as `SendMessageStreamingResponse` objects.
+    - It returns an `AsyncGenerator`. As the server streams SSE events, the client receives them as `SendStreamingMessageResponse` objects.
     - The Helloworld agent will stream "Hello " and then "World".
 
 ## Expected Output