Case Study: A Token Ledger and Concurrency Lock for a Free-Tier Changelog Bot
This story is from 2026-10-19. It is preserved in the archive; the latest stories are on the live feed.
The model call is the easy half of shipping a free-tier tool; the hard half is a ledger that tells you, before you call anything, whether you can still afford to. This case study walks through one small internal job end to end: a changelog drafter that turns merged pull request titles into release…
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- 2026-10-19 08:38 · DEV Community — AI
Case Study: A Token Ledger and Concurrency Lock for a Free-Tier Changelog Bot