Add GitHub Actions lint and test workflows, coverage file, and test suite

- Add .coverage file for coverage tracking
- Add GitHub Actions lint.yml and tests.yml workflows
- Update pyproject.toml with flake8 dev dependency
- Generate package metadata in src/ab_cli.egg-info
- Add comprehensive test suite for auto‑commit, pr‑description, prompt, rewrite‑history, config, and utils

Author: allanbatista

.coverage

@@ -0,0 +1,45 @@
+name: Lint
+
+on:
+  push:
+    branches: ['**']
+  pull_request:
+    branches: ['**']
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: '3.12'
+
+      - name: Install dependencies
+        run: pip install flake8
+
+      - name: Run flake8
+        run: |
+          # Run strict lint on tests (must pass)
+          flake8 tests/ --max-line-length=120 --exclude=__pycache__
+          # Run lint on src with exit-zero (report only, doesn't fail build)
+          # TODO: Fix existing src/ issues and remove --exit-zero
+          flake8 src/ --max-line-length=120 --exclude=__pycache__ --exit-zero
+
+  shellcheck:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Run ShellCheck on bin scripts
+        uses: ludeeus/action-shellcheck@master
+        with:
+          scandir: './bin'
+          severity: warning
+
+      - name: Run ShellCheck on scripts
+        uses: ludeeus/action-shellcheck@master
+        with:
+          scandir: './scripts'
+          severity: warning

.github/workflows/lint.yml

@@ -0,0 +1,46 @@
+name: Tests
+
+on:
+  push:
+    branches: ['**']
+  pull_request:
+    branches: ['**']
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -e ".[dev]"
+
+      - name: Configure git for tests
+        run: |
+          git config --global user.email "test@example.com"
+          git config --global user.name "Test User"
+          git config --global init.defaultBranch master
+
+      - name: Run tests with coverage
+        run: |
+          pytest --cov=src/ab_cli --cov-report=xml --cov-report=term -v
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        if: matrix.python-version == '3.12'
+        with:
+          files: ./coverage.xml
+          fail_ci_if_error: false
+          token: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/tests.yml

@@ -40,6 +40,7 @@ dependencies = [
 dev = [
     "pytest>=7.0.0",
     "pytest-cov>=4.0.0",
+    "flake8>=6.0.0",
 ]
 
 [project.urls]