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{"ts":1,"type":"gateway_event","runId":"run-happy-1","sessionKey":"agent:main:session-happy","seq":2,"state":"delta","fanout":1}
{"ts":2,"type":"history_load","sessionKey":"agent:main:session-happy","action":"start"}
{"ts":2.2,"type":"history_load","sessionKey":"agent:main:session-happy","action":"end"}
{"ts":2.5,"type":"rpc","method":"chat.send","latencyMs":180,"timeout":false}
{"ts":3.0,"type":"gateway_event","runId":"run-happy-1","sessionKey":"agent:main:session-happy","seq":3,"state":"final","fanout":1}
{"ts":3.5,"type":"message","lost":false,"orderViolation":false}
