Finish long-running agent parity

src/server/response.rs

@@ -749,6 +749,7 @@ fn stream_response_with_keepalive(
                     "The model runtime returned an unexpected compaction event.".into(),
                 ));
             }
+            GenerationEvent::Activity(_) | GenerationEvent::Measured(_) => {}
             GenerationEvent::Loading => {}
             GenerationEvent::Context {
                 tokens_per_second, ..