Issue numbers collided while each author read main and the open pull requests; since 2026-10-10 the tracker (ADR 0275) hands them out. The playbook and the hq-new-issue skill now open every issue there, keep a folder only for a design or governance issue, and say where its status lives until slice 3. Research 042's finding that the SDK had no compare-and-set is corrected, and to-be 53 names the module's code.