Add GitHub Actions steps for Rust linting and fish shell install #48

	---
	name: "Copilot Setup Steps"

	on:
	pull_request:
	paths:
	- .github/workflows/copilot-setup-steps.yml

	concurrency:
	group: ${{ github.workflow }}-${{ github.head_ref \|\| github.ref }}-copilot-setup-steps
	cancel-in-progress: true

	env:
	GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
	CARGO_TERM_COLOR: always

	jobs:
	copilot-setup-steps:
	runs-on: ubuntu-latest
	permissions:
	contents: write
	actions: write
	packages: write
	pull-requests: write
	issues: write
	checks: write
	deployments: write
	steps:
	- name: Checkout code
	uses: actions/checkout@v5

	- name: Setup Rust nightly toolchain
	uses: actions-rust-lang/setup-rust-toolchain@v1
	with:
	toolchain: nightly
	components: rustfmt, clippy

	- name: Cache Rust dependencies
	uses: Swatinem/rust-cache@v2
	with:
	cache-on-failure: true

	- name: Install fish shell (for integration tests)
	run: sudo apt-get update && sudo apt-get install -y fish

	- name: Verify formatting compliance
	run: cargo fmt --check

	- name: Run clippy to catch issues early
	run: cargo clippy --all-targets --all-features -- -D warnings

	- name: Run tests to validate codebase
	run: cargo test --quiet

	- name: Install git-ai binary
	run: cargo install --path . --debug

	- name: Setup git-ai configuration
	run: \|
	git ai hook install
	git ai config set openai-api-key ${{ secrets.OPENAI_API_KEY }}
	git ai config set model gpt-4.1

	- name: Verify installation
	run: git ai --version

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