Development record

The brief at .abcd/development/brief/04-surfaces/21-update.md:9 says: this verb, with its check, is the only **command** that reaches the release origin, and only when invoked The shipped surface differs: `abcd launch --dry-run --fetch-baseline` and `abcd launch ship --fetch-baseline` also fetch from the release origin (both flags shipped: 'read the parity baseline from the tag's published plugin archive, verified against the release's checksums.txt (a network fetch ...)'); commands/update.md names them among the commands that reach the release origin. (v0.14.2 release crosscheck, false-claim, raised by opus in a16.)