chore/refactor-ci-workflows (#6)

* ci(workflows): split CI into focused workflows and add Codecov upload

* ci(coverage): upload to codecov for same-repo PRs and main pushes

* fix(ci): upload coverage to codecov only on main pushes

.github/workflows/check.yml

@@ -0,0 +1,17 @@
+name: Rust Check
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  cargo-check:
+    name: cargo check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo check

.github/workflows/ci.yml

@@ -1,62 +0,0 @@
-name: CI
-
-on:
-  pull_request:
-  push:
-    branches:
-      - main
-
-jobs:
-  cargo-fmt:
-    name: cargo fmt --check
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-        with:
-          components: rustfmt
-      - uses: Swatinem/rust-cache@v2
-      - run: cargo fmt --check
-
-  cargo-clippy:
-    name: cargo clippy -- -D warnings
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-        with:
-          components: clippy
-      - uses: Swatinem/rust-cache@v2
-      - run: cargo clippy --all-targets -- -D warnings
-
-  cargo-check:
-    name: cargo check
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-      - uses: Swatinem/rust-cache@v2
-      - run: cargo check
-
-  cargo-test:
-    name: cargo test
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-      - uses: Swatinem/rust-cache@v2
-      - run: cargo test
-
-  cross-platform:
-    name: cross-platform default (${{ matrix.os }})
-    runs-on: ${{ matrix.os }}
-    strategy:
-      fail-fast: false
-      matrix:
-        os: [ubuntu-latest, windows-latest]
-    steps:
-      - uses: actions/checkout@v4
-      - uses: dtolnay/rust-toolchain@stable
-      - uses: Swatinem/rust-cache@v2
-      - run: cargo check
-      - run: cargo test

.github/workflows/clippy.yml

@@ -0,0 +1,19 @@
+name: Rust Clippy
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  cargo-clippy:
+    name: cargo clippy --all-targets -- -D warnings
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: clippy
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo clippy --all-targets -- -D warnings

.github/workflows/coverage.yml

@@ -0,0 +1,27 @@
+name: Coverage
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  coverage:
+    name: cargo llvm-cov + codecov
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: llvm-tools-preview
+      - uses: Swatinem/rust-cache@v2
+      - uses: taiki-e/install-action@cargo-llvm-cov
+      - run: cargo llvm-cov --workspace --all-targets --lcov --output-path lcov.info
+      - name: Upload coverage reports to Codecov
+        uses: codecov/codecov-action@v5
+        if: github.event_name == 'push' && github.ref == 'refs/heads/main'
+        with:
+          token: ${{ secrets.CODECOV_TOKEN }}
+          files: lcov.info
+          fail_ci_if_error: true

.github/workflows/cross-platform.yml

@@ -0,0 +1,24 @@
+name: Cross Platform
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  cross-platform:
+    name: cross-platform default (${{ matrix.os }})
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        os:
+          - ubuntu-latest
+          - windows-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo check
+      - run: cargo test

.github/workflows/fmt.yml

@@ -0,0 +1,19 @@
+name: Rust Format
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  cargo-fmt:
+    name: cargo fmt --check
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo fmt --check

.github/workflows/test.yml

@@ -0,0 +1,17 @@
+name: Rust Test
+
+on:
+  pull_request:
+  push:
+    branches:
+      - main
+
+jobs:
+  cargo-test:
+    name: cargo test
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: Swatinem/rust-cache@v2
+      - run: cargo test