Add perf benches; flatten project structure #39

	name: Cross Platform

	on:
	push:
	branches: [ main, feature/pipeline-test ]
	pull_request:
	branches: [ main ]
	schedule:
	# Run weekly to catch regressions
	- cron: '0 0 * * 0'

	env:
	CARGO_TERM_COLOR: always

	jobs:
	test-cross-platform:
	name: Test on ${{ matrix.os }}
	runs-on: ${{ matrix.os }}
	strategy:
	matrix:
	os: [ubuntu-latest, windows-latest, macos-latest]

	steps:
	- name: Checkout code
	uses: actions/checkout@v6

	- name: Install Rust
	uses: dtolnay/rust-toolchain@stable

	- name: Cache dependencies
	uses: Swatinem/rust-cache@v2

	- name: Run tests
	run: cargo test --all-features --verbose

	- name: Build all targets
	run: cargo build --all-targets --all-features

	- name: REPL smoke test
	run: echo "(+ 1 2 3)" \| cargo run --example repl --all-features

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