Update CI workflow with robust configuration

.gitea/workflows/ci.yml

@@ -7,6 +7,20 @@ on:
     branches: [ main, master ]
 
 jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.11'
+          cache: 'pip'
+      - name: Install flake8
+        run: pip install flake8
+      - name: Run flake8
+        run: flake8 src/ tests/ --max-line-length=100 --ignore=E501,W503
+
   test:
     runs-on: ubuntu-latest
     strategy:
@@ -18,18 +32,13 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: ${{ matrix.python-version }}
+          cache: 'pip'
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -e .[dev]
+          pip install pytest click requests ghapi rich pyyaml diskcache
-      - name: Lint with flake8
-        run: |
-          pip install flake8
-          flake8 src/ tests/ --max-line-length=100 --ignore=E501,W503
       - name: Run tests
-        run: |
+        run: pytest tests/ -v --tb=short
-          pip install pytest pytest-cov
-          pytest tests/ -v --tb=short
 
   build:
     runs-on: ubuntu-latest
@@ -40,13 +49,14 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: '3.11'
-      - name: Install dependencies
+          cache: 'pip'
+      - name: Install build dependencies
         run: |
           python -m pip install --upgrade pip
           pip install build
-          python -m build
+      - name: Build package
+        run: python -m build
       - name: Verify build
         run: |
           pip install dist/*.whl
-          pip install requests ghapi
           python -c "import code_pattern_search_cli; print('Build successful')"