Feature

It is a common and simple feature to provide and use prompt templates:

• https://python.langchain.com/docs/concepts/prompt_templates/
• https://docs.llamaindex.ai/en/stable/examples/prompts/rich_prompt_template_features/
• https://learn.microsoft.com/en-us/semantic-kernel/concepts/prompts/prompt-template-syntax

Those linked solutions are quite similar, at least at first glance, and I guess we could see some use-case here already with the SimilaritySearch tool:

Open Questions

• I feel like this should live in the Platform component and sit on top of a message, like a TemplateMessage or something - not sure tho
• Should we go all in with twig here? feels like over the top 🤔