datasette-llm-usage. I released the first alpha of a Datasette plugin to help track LLM usage by other plugins, with the goal of supporting token allowances - both for things like free public apps that stop working after a daily allowance, plus free previews of AI features for paid-account-based projects such as Datasette Cloud.
It's using the usage features I added in LLM 0.19.
The alpha doesn't do much yet - it will start getting interesting once I upgrade other plugins to depend on it.
Design notes so far in issue #1.
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