how to send reasoning or tool call event?

```
data: {"type":"RUN_STARTED","threadId":"7b6928a1-5bbf-405a-aeb8-0a8106ed2534","runId":"4447e661-e4fb-4fda-9fdf-8df2f9693bc8","input":{"threadId":"7b6928a1-5bbf-405a-aeb8-0a8106ed2534","runId":"4447e661-e4fb-4fda-9fdf-8df2f9693bc8","state":{},"messages":[{"id":"e6e78126-0583-4933-a4db-7a3f9c884215","role":"user","content":"profile"}],"tools":[],"context":[],"forwardedProps":{}}}

data: {"type":"RAW","event":{"contextId":"7b6928a1-5bbf-405a-aeb8-0a8106ed2534","history":[{"contextId":"7b6928a1-5bbf-405a-aeb8-0a8106ed2534","kind":"message","messageId":"e6e78126-0583-4933-a4db-7a3f9c884215","parts":[{"kind":"text","text":"profile"}],"role":"user","taskId":"747f3d2c-83c6-4f96-9879-821516f110f7"}],"id":"747f3d2c-83c6-4f96-9879-821516f110f7","kind":"task","status":{"state":"submitted"}},"source":"a2a"}

data: {"type":"TEXT_MESSAGE_START","messageId":"49da8187-c907-47a8-8f27-4d1d15f26fa8","role":"assistant"}

data: {"type":"TEXT_MESSAGE_CONTENT","messageId":"49da8187-c907-47a8-8f27-4d1d15f26fa8","delta":"Right，I can help you mark user info。"}

data: {"type":"ACTIVITY_SNAPSHOT","messageId":"edit-form-1701389476","activityType":"a2ui-surface","content":{"operations":[]},"replace":false}

data: {"type":"ACTIVITY_DELTA","messageId":"edit-form-1701389476","activityType":"a2ui-surface","patch":[{"op":"add","path":"/operations/-","value":{"beginRendering":{"surfaceId":"edit-form-1701389476","root":"root","styles":{"primaryColor":"#3b82f6"}}}}]}

data: {"type":"ACTIVITY_DELTA","messageId":"edit-form-1701389476","activityType":"a2ui-surface","patch":[{"op":"add","path":"/operations/-","value":{"surfaceUpdate":{"surfaceId":"edit-form-1701389476","components":[{"id":"root","component":{"Card":{"child":"content"}}},{"id":"content","component":{"Column":{"children":{"explicitList":["title","divider1","fields","divider2","btn"]}}}},{"id":"title","component":{"Text":{"usageHint":"h2","text":{"literalString":"✏️ User Info Mark"}}}},{"id":"divider1","component":{"Divider":{}}},{"id":"fields","component":{"Column":{"children":{"explicitList":["f1","f2","f3"]}}}},{"id":"f1","component":{"TextField":{"label":{"literalString":"name"},"text":{"path":"name"}}}},{"id":"f2","component":{"TextField":{"label":{"literalString":"IdNo"},"text":{"path":"idNumber"}}}},{"id":"f3","component":{"TextField":{"label":{"literalString":"phone"},"text":{"path":"phone"}}}},{"id":"divider2","component":{"Divider":{}}},{"id":"btn","component":{"Button":{"child":"btn-text","primary":true,"action":{"name":"submit","context":[{"key":"name","value":{"path":"name"}},{"key":"idNumber","value":{"path":"idNumber"}},{"key":"phone","value":{"path":"phone"}}]}}}},{"id":"btn-text","component":{"Text":{"text":{"literalString":"submit"}}}}]}}}]}

data: {"type":"ACTIVITY_DELTA","messageId":"edit-form-1701389476","activityType":"a2ui-surface","patch":[{"op":"add","path":"/operations/-","value":{"dataModelUpdate":{"surfaceId":"edit-form-1701389476","path":"/","contents":[{"key":"name","valueString":""},{"key":"idNumber","valueString":""},{"key":"phone","valueString":""}]}}}]}

data: {"type":"TEXT_MESSAGE_END","messageId":"49da8187-c907-47a8-8f27-4d1d15f26fa8"}

data: {"type":"RUN_FINISHED","threadId":"7b6928a1-5bbf-405a-aeb8-0a8106ed2534","runId":"4447e661-e4fb-4fda-9fdf-8df2f9693bc8"}

```
---

This is my agent sse response，from llm translate to a2ui， but in my agent, there are many tool will be called, an some reasoning info I want to show, how can I send those type message?

It seems just support Part, TextPart, FilePart, DataPart in A2UI, send it with DataPart?