event: message_start
data: {"type":"message_start","message":{"model":"claude-haiku-4-5-20251001","id":"msg_011CggCT9sYojXKZ1fsQoZkF","type":"message","role":"assistant","content":[],"container":null,"stop_reason":null,"stop_sequence":null,"stop_details":null,"usage":{"input_tokens":15,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"cache_creation":{"ephemeral_5m_input_tokens":0,"ephemeral_1h_input_tokens":0},"output_tokens":1,"service_tier":"standard","inference_geo":"not_available","speed":"standard"},"diagnostics":null}      }

event: content_block_start
data: {"type":"content_block_start","index":0,"content_block":{"type":"text","text":""}  }

event: ping
data: {"type": "ping"}

event: content_block_delta
data: {"type":"content_block_delta","index":0,"delta":{"type":"text_delta","text":"ok"}            }

event: content_block_stop
data: {"type":"content_block_stop","index":0               }

event: message_delta
data: {"type":"message_delta","delta":{"stop_reason":"end_turn","stop_sequence":null,"stop_details":null,"container":null},"usage":{"input_tokens":15,"cache_creation_input_tokens":0,"cache_read_input_tokens":0,"output_tokens":4}              }

event: message_stop
data: {"type":"message_stop" }

