Function onIteration

packages/ai-event-client/src/devtools-middleware.ts:293–330

(ctx: DevtoolsMiddlewareContext, info: DevtoolsIterationInfo)

    },

    onIteration(ctx: DevtoolsMiddlewareContext, info: DevtoolsIterationInfo) {
      const now = Date.now()

      // Emit completed for previous iteration (it ended with tool_calls if we got here)
      if (currentIteration >= 0) {
        safeEmit('text:iteration:completed', {
          ...buildEventContext(ctx),
          iteration: currentIteration,
          messageId: localMessageId || undefined,
          duration: now - iterationStartTime,
          finishReason: 'tool_calls',
          timestamp: now,
        })
      }

      // Track new iteration
      currentIteration = info.iteration
      iterationStartTime = now
      localMessageId = info.messageId
      localAccumulatedContent = ''

      // Emit iteration:started with config snapshot
      safeEmit('text:iteration:started', {
        ...buildEventContext(ctx),
        iteration: info.iteration,
        messageId: info.messageId,
        timestamp: now,
      })

      // Emit assistant message placeholder
      safeEmit('text:message:created', {
        ...buildEventContext(ctx),
        messageId: info.messageId,
        role: 'assistant' as const,
        content: '',
        timestamp: now,
      })
    },

    onChunk(ctx, rawChunk) {
      if (!isKnownChunk(rawChunk)) return