Separate lint and test CI workflows

Move type checking and pre-commit hooks to a dedicated lint workflow
that runs once, rather than repeating pyright across the full OS/Python
test matrix. This provides faster feedback and proper enforcement.

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: wmayner

.github/workflows/lint.yml

@@ -0,0 +1,35 @@
+name: Lint
+
+on:
+  push:
+    branches: [develop, main, master]
+  pull_request:
+    branches: [develop, main, master]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out repository
+        uses: actions/checkout@v4
+
+      - name: Set up uv
+        uses: astral-sh/setup-uv@v5
+        with:
+          enable-cache: true
+          cache-dependency-glob: "uv.lock"
+
+      - name: Set up Python
+        run: uv python install 3.12
+
+      - name: Install dependencies
+        run: uv sync --python 3.12 --group dev --all-extras
+
+      - name: Run pre-commit hooks
+        uses: pre-commit/action@v3.0.1
+        env:
+          SKIP: pyright
+
+      - name: Run type checking
+        run: uv run pyright pyphi

.github/workflows/test.yml

@@ -31,10 +31,6 @@ jobs:
       - name: Install dependencies
         run: uv sync --python ${{ matrix.python-version }} --group dev --all-extras
 
-      - name: Run type checking
-        run: uv run pyright pyphi
-        continue-on-error: true
-
       - name: Run tests
         run: uv run pytest test/ --tb=short -v --ignore=test/test_parallel.py --ignore=test/test_parallel2.py
         continue-on-error: ${{ matrix.os == 'windows-latest' }}