Long time execute and Long Output Example

How can I implement something like Manus — first making a plan, then executing it, but with a long output duration and especially lengthy content, such as generating a long novel? This would require multiple outputs. Do we have such an example?

Look for existing examples in the repository that demonstrate multi-step planning or long-form content generation using the A2A protocol. Check the README and any example directories for patterns like 'Manus' or sequential execution. The goal is to understand the current capabilities and propose a new sample that shows how to handle lengthy, multi-output tasks.

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