Squashed 'braid/' changes from 6fa14e1..20ed263
20ed263 Release capability reference after RPC call completes
642dc98 Fix RPC server cwd issue and improve error handling
0d3b7bc Add two-stage build and remove --dry-run flag
git-subtree-dir: braid
git-subtree-split: 20ed263a5ebfee5c67d2241980c3e68b26857ddc