dev: Refactor CI and other stuff

.github/workflows/ci.yml: 

.gitignore: 
AGENTS.md: 
Justfile: 
Makefile: 
crates/codetracer-python-recorder/Cargo.lock: 
flake.nix: 
pyproject.toml: 
src/codetracer_pure_python_recorder/__init__.py: 
src/codetracer_pure_python_recorder/cli.py: 

Signed-off-by: Tzanko Matev <[email protected]>

Author: tzanko-matev

.github/workflows/ci.yml

@@ -15,15 +15,12 @@ jobs:
         os: [ubuntu-latest, macos-latest, windows-latest]
     steps:
       - uses: actions/checkout@v4
-      - name: Install make on Windows
-        if: runner.os == 'Windows'
-        run: choco install make -y
       - uses: actions/setup-python@v5
         with:
           python-version: '3.x'
       - name: Run tests
         shell: bash
-        run: make test
+        run: python -m unittest discover -v
 
   nix-tests:
     runs-on: ubuntu-latest
@@ -35,4 +32,24 @@ jobs:
           extra_nix_config: |
             experimental-features = nix-command flakes
       - name: Run tests via Nix
-        run: nix develop --command make test
+        run: nix develop --command just test
+
+  rust-smoke:
+    name: Rust module smoke test on ${{ matrix.os }}
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest, windows-latest]
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.x'
+      - uses: messense/maturin-action@v1
+        with:
+          command: build
+          args: -m crates/codetracer-python-recorder/Cargo.toml --release
+      - name: Install built wheel
+        run: python -m pip install --upgrade pip && python -m pip install target/wheels/*.whl
+      - name: Import smoke test
+        run: python -c "import codetracer_python_recorder as m; print(m.hello())"

.gitignore

@@ -1,3 +1,5 @@
 .direnv/
 **/__pycache__/
 .aider*
+.venv/
+**/target/

AGENTS.md

@@ -8,14 +8,16 @@ This repository contains two related projects:
 To run the Python test suite for the pure-Python tracer, execute:
 
 ```
-make test
+just test
 ```
 
 The tester executes a number of sample programs in `tests/programs` and compares their outputs to the fixtures in `tests/fixtures`.
 
 To build and locally develop-install the Rust-backed module:
 
 ```
+just build-rust
+# or:
 maturin develop -m crates/codetracer-python-recorder/Cargo.toml
 ```
 

Justfile

@@ -0,0 +1,26 @@
+# Development helpers for the monorepo
+
+# Print toolchain versions to verify the dev environment
+env:
+    python3 --version
+    cargo --version
+    rustc --version
+    maturin --version
+
+# Create a local virtualenv for Python tooling
+venv:
+    test -d .venv || python3 -m venv .venv
+    .venv/bin/python -m pip install -U pip
+
+# Build and develop-install the Rust-backed Python module
+build-rust:
+    test -d .venv || python3 -m venv .venv
+    VIRTUAL_ENV=.venv maturin develop -m crates/codetracer-python-recorder/Cargo.toml
+
+# Smoke test the Rust module after build
+smoke-rust:
+    .venv/bin/python -c "import codetracer_python_recorder as m; print(m.hello())"
+
+# Run the Python test suite for the pure-Python recorder
+test:
+    python3 -m unittest discover -v

Makefile

@@ -1,4 +1,4 @@
+# This Makefile is deprecated. Use 'just test' instead.
 .PHONY: test
-
 test:
-	python3 -m unittest discover -v
+	@echo "Deprecated: Use 'just test' instead." && false