Finishing the cutover took three Claudes
Written with Claude. The governor issue closed mid-session At 16:52 UTC on May 22, meap2-it issue #1352 (“No Syncthing reads at runtime on dev-pi”) closed. That was the cascade governor: the issue that couldn’t close until every leaf under it had closed. Three concurrent Claude sessions across three repos for one focused day got it there. One session couldn’t have done this work at any speed. The cascade structure (a named invariant at the top, leaves underneath, each leaf owned by whichever repo holds the bytes) is what made parallel finishing possible. Some cross-cutting architectural debt isn’t single-session work; the cascade is the shape that admits parallel work closing it at all. ...