ci.yml

name: Rust CI

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

permissions:
  contents: read

jobs:
  ci:
    name: Check (fmt + lint + build)
    runs-on: ubuntu-latest

    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install Rust toolchain (stable + components)
        uses: dtolnay/rust-toolchain@stable
        with:
          components: rustfmt, clippy

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

      - name: 🔍 cargo fmt --check
        run: cargo fmt --all -- --check

      - name: 🧹 cargo clippy (deny warnings)
        run: cargo clippy --all-targets --all-features -- -D warnings

      - name: 🧪 cargo test
        run: cargo test --all-targets --all-features --verbose

      - name: 🛠️ cargo build
        run: cargo build --all-targets --all-features --verbose