# DGR-002 — exact commands, in order. Run from the repository root.
# Interpreter: <repo>/.venv/bin/python (CPython 3.14.6). Deterministic, GPU-free,
# no model download, no API credits.

# --- toolchain (this machine had no protoc, no cmake, no protobuf C++ headers)
.venv/bin/python -m pip install grpcio-tools==1.82.1 grpcio==1.82.1 cmake==4.4.0
scripts/bootstrap_native_toolchain.sh /tmp/pbsrc/install   # protobuf C++ 33.1 + abseil 20250814.1

# --- schema generation (Python stubs; committed)
.venv/bin/python scripts/generate_native_protocol.py
.venv/bin/python scripts/generate_native_protocol.py --check     # -> "generated stubs are up to date"

# --- cross-language conformance vectors (committed)
.venv/bin/python scripts/generate_protocol_goldens.py
.venv/bin/python scripts/generate_protocol_goldens.py --check    # -> "conformance vectors are up to date"

# --- C++ generation, build and conformance test
cmake -S packages/node/native -B build/native -DCMAKE_PREFIX_PATH=/tmp/pbsrc/install
cmake --build build/native -j"$(nproc)"
ctest --test-dir build/native --output-on-failure                # -> 1/1 Passed
cmp build/native/cpp_roundtrip.binpb packages/node/native/testdata/session_request_golden.binpb

# --- Python tests
.venv/bin/python -m pytest -q tests/test_native_shard_protocol.py   # -> 29 passed
.venv/bin/python -m pytest -q                                        # full suite

# --- repository gates
.venv/bin/python -m compileall -q packages tests
git diff --check