Fix infinite loop in context-aggregator from tool-result-frames

Small updates for examples

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Make scenario manager work with system-frame-router

Better error on llm call request

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Context aggregator: Send llm-tool-call-result frames further

Add example with mute filter

Add mute filter process to mute user input based on specific strategies

Emit llm-tool-call-request frame when the LLM requests a tool call

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Add muted support for transport-in

Add 0 arity frame creation support + mute frames

Update TODOs

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