feat: consolidate linting workflows by replacing pylint.yml with a unified linting_and_test.yml

Co-authored-by: Copilot <copilot@github.com>

Author: tien226anh

.github/workflows/linting_and_test.yml

@@ -0,0 +1,29 @@
+name: Lint & Test
+
+on: [push]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.12", "3.14"]
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Install uv
+      uses: astral-sh/setup-uv@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: uv sync --extra dev
+
+    - name: Lint with ruff
+      run: uv run ruff check src/ tests/
+
+    - name: Typecheck with mypy
+      run: uv run mypy src/
+
+    - name: Run tests
+      run: uv run pytest tests/ -v