mesh-controller PR 176 and mesh-catalog PR 198. Designs 27 and 18 carry the words: places,
accesses, ${access:<id>}, the default a definition still holds while the catalogue converts.
Two machines filing issues in the same hour both read main correctly and
both took "the next free number". main lags every open pull request —
seven that evening — so they collided twice. The second collision
reached main with records, cycle and index all reporting success.
cycle.py now refuses a tree where two issue folders share a leading
number, and names both. Proven by adding a duplicate and watching it
fail. The colliding records become 153 and 154, renumbered in the branch
that lands last, because renumbering a branch whose author is still
pushing only moves the race.
The check catches a collision; it does not prevent one. Taking a number
still means reading the open pull requests as well as main — issue 155
says so.