Batching the billing ledger (but with less)

Batching the Billing Ledger: Small Trade-Offs with High Impact is a great article about “systems assembly”, and microbilling is part and parcel of nearly any web app today, certainly when your users call into LLM models. Gotta keep’em tokens counted! Since the start of the agentic era, I’ve been curious about “how much software” we need for workloads like this. After all, my doctrine is less stuff and this looked like a use case too perfect to pass on. Thank you, Vicente, for the pitch-perfect nerdsnipe! So, here’s bab - but I am getting ahead of myself. First, we need the parts. I am currently available for contract work. Hire meto help make your Rails app better! The work with software is sometimes similar to being a crazy village inventor in his garage. You try to mash pieces together until they fit, and - sometimes - you need to concoct your own, for nothing ready-made can fit the mold. Vicente’s system includes the following key components: Ledger mutations packaged into…