Phase 2 complete. ARCHITECTURE.md: full rewrite covering gRPC protocol, SSH auth, updated package structure, all Garden methods, design decisions. README.md: add remote sync section, mirror/prune commands, sgardd usage. CLAUDE.md: add gRPC/proto/x-crypto deps, server/client/sgardpb packages. flake.nix: build both sgard + sgardd, updated vendorHash. goreleaser: add sgardd build target. E2e test: full push/pull cycle with SSH auth between two clients. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
GoReleaser builds static binaries for linux/darwin on amd64/arm64, injecting version via ldflags. Version command prints the embedded version (defaults to "dev" for local builds). Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
