The pre-send guard: deciding reuse, rewrite, or send before a prompt costs you anything
How Agent Terminal's pre-send guard decides whether to reuse a prior answer, rewrite a prompt, or send it as-is before it ever reaches an LLM.
By Agent Software
Scheduled article
This post is scheduled to publish in full on November 9, 2026. The final URL is already live so social previews, search crawlers, and future readers all resolve to the same article.
The cheapest LLM call is the one you never make — Terminal checks for that possibility before every prompt goes out.
- Final publish date: November 9, 2026
- Primary categories: Engineering
- Tags: #suite #agent-terminal #architecture
In the meantime, the related posts below cover the adjacent product and engineering context this article builds on.
