feature - land RFC 007 Prism LazyFrame slice (#17, most of #16) #15

	# InQL CI — Incan library package
	#
	# Builds the Incan compiler from source in CI, then runs the InQL package
	# checks against that local binary. Keeping this workflow self-contained avoids
	# a hard dependency on a remote composite action path staying in sync.

	name: CI

	on:
	push:
	branches: [main]
	pull_request:
	branches: [main]
	workflow_dispatch:

	concurrency:
	group: ci-${{ github.workflow }}-${{ github.ref }}
	cancel-in-progress: true

	env:
	CARGO_TERM_COLOR: always
	RUST_BACKTRACE: 1
	INCAN_NO_BANNER: 1

	jobs:
	inql:
	name: InQL (build + test)
	runs-on: ${{ matrix.os }}
	strategy:
	fail-fast: false
	matrix:
	os: [ubuntu-latest, macos-latest]

	steps:
	- name: Check out InQL
	uses: actions/checkout@v4

	- name: Check out Incan
	uses: actions/checkout@v4
	with:
	repository: dannys-code-corner/incan
	ref: main
	path: incan

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

	- name: Cache Incan build artifacts
	uses: Swatinem/rust-cache@v2
	with:
	workspaces: incan -> target

	- name: Build Incan compiler
	working-directory: incan
	run: cargo build --locked --bin incan

	- name: Expose local Incan binary on PATH
	run: echo "$GITHUB_WORKSPACE/incan/target/debug" >> "$GITHUB_PATH"

	- name: Show toolchain
	run: \|
	incan --version
	rustc --version

	- name: Format check (package .incn)
	run: make fmt-check

	- name: Build library
	run: make build

	- name: Run tests
	run: make test

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