Regenerated protobuf stubs and bumped google.golang.org/protobuf from
v1.36.10 to v1.36.11 to match protoc-gen-go v1.36.11. The version
mismatch caused a panic in filedesc.unmarshalSeed during init().
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Vendor dependencies and expose control program binaries via
nix build. Uses nixpkgs-unstable for Go 1.26 support.
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>