Add GitHub Actions CI with tests, coverage, and linting

- Add ci.yml workflow that runs on push/PR to master and qwen2.5-coder
- Test on Python 3.12 with pytest and coverage reporting
- Run ruff linter (warnings only, doesn't fail build)
- Add pytest-cov to dev dependencies

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

Author: Marat Saidov

.github/workflows/ci.yml

@@ -0,0 +1,33 @@
+name: CI
+
+on:
+  push:
+    branches: [master, qwen2.5-coder]
+  pull_request:
+    branches: [master, qwen2.5-coder]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python 3.12
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+          cache: 'pip'
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -e ".[dev]"
+
+      - name: Run linter
+        run: python -m ruff check .
+        continue-on-error: true
+
+      - name: Run tests with coverage
+        run: |
+          python -m pytest tests/ -v --tb=short --cov=src --cov-report=term-missing

pyproject.toml

@@ -30,6 +30,7 @@ dependencies = [
 [project.optional-dependencies]
 dev = [
     "pytest>=7.0",
+    "pytest-cov>=4.0",
     "ruff>=0.1.0",
     "httpx>=0.24.0",
 ]