{
  "version": "v0.8.1",
  "date": "2026-09-22",
  "title": "the cost ABP gets its article, with six figures captured from the v0.8.0 tag",
  "summary": "One article per release, so the release that added the cost walkthrough gets one. It covers why cost is a property of every call rather than a capability, why the section is written over the runtime universe and says so on every page, why the fifth cost line is the reason the section exists, why a behaviour policy is what a skill runs inside rather than another skill, and why a limit over a number the agent cannot see is an expectation twice over. Six screenshots from a checkout of the v0.8.0 tag on the day it shipped.",
  "commit": null,
  "commit_resolves_by": "git rev-list -n 1 v0.8.1",
  "commit_note": "The tag is the record. CI derives v0.8.1 from admin/build/version.txt and creates it on the commit whose subject carries `site v0.8.1:`, so `git rev-list -n 1 v0.8.1` resolves it for anybody from then on. The hash is not written into this file because a release commit cannot contain its own hash, and reading it back from the tag at build time made the build produce different bytes on a checkout with tags than on one without.",
  "vault": null,
  "reconstructed": false,
  "changes": [
    "An article for v0.8.0, the twelfth in the section, with six screenshots and the two figures the walkthrough carries. It ends on what the release did not settle: nothing measured, placeholder numbers, no meter for a person's hour, no case running the prompts, and cost never becoming a node."
  ],
  "basis": [
    "The v0.8.0 tag, checked out into a detached worktree and served locally, the same method as every other article's figures."
  ]
}