event: response.created
data: {"type":"response.created","response":{"id":"resp_test_utf8","object":"response","status":"in_progress","output":[],"model":"o3-mini"}}

event: response.output_item.added
data: {"type":"response.output_item.added","output_index":0,"item":{"id":"msg_test_utf8","type":"message","role":"assistant","content":[],"status":"in_progress"}}

event: response.content_part.added
data: {"type":"response.content_part.added","output_index":0,"content_index":0,"part":{"type":"output_text","text":"","annotations":[]}}

event: response.output_text.delta
data: {"type":"response.output_text.delta","output_index":0,"content_index":0,"delta":"[encoded data, 7532 characters]日本語のテスト (UTF-8 test)"}

event: response.content_part.done
data: {"type":"response.content_part.done","output_index":0,"content_index":0,"part":{"type":"output_text","text":"[encoded data, 7532 characters]日本語のテスト (UTF-8 test)","annotations":[]}}

event: response.output_item.done
data: {"type":"response.output_item.done","output_index":0,"item":{"id":"msg_test_utf8","type":"message","role":"assistant","content":[{"type":"output_text","text":"[encoded data, 7532 characters]日本語のテスト (UTF-8 test)","annotations":[]}],"status":"completed"}}

event: response.completed
data: {"type":"response.completed","response":{"id":"resp_test_utf8","object":"response","status":"completed","model":"o3-mini","output":[{"id":"msg_test_utf8","type":"message","role":"assistant","content":[{"type":"output_text","text":"[encoded data, 7532 characters]日本語のテスト (UTF-8 test)","annotations":[]}],"status":"completed"}],"usage":{"input_tokens":10,"output_tokens":50,"total_tokens":60,"output_tokens_details":{"reasoning_tokens":0}}}}

