record.provider = event.provider;

record.model = event.model;

record.count = event.messageCount;

record.bytes = event.promptChars;

record.context =

event.contextTokenBudget !== undefined ? { limit: event.contextTokenBudget } : undefined;

break;

record.durationMs = event.durationMs;

assignReasonCode(record, event.errorCategory);

break;

case "context.assembled":

record.provider = event.provider;

record.model = event.model;

record.channel = event.channel;

record.count = event.messageCount;

record.bytes = event.promptChars;

break;

case "log.record":

record.level = event.level;

record.source = event.loggerName;