🐛 fix: install test dependencies with --extra test flag

- Add --extra test to uv sync commands to install optional test dependencies
- Ensures pytest and pytest-cov are available in CI environment
- Fixes missing test dependencies in GitHub Actions

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <[email protected]>

Author: kenibrewer

.github/workflows/test-approval-automation.yml

@@ -30,7 +30,7 @@ jobs:
 
       - name: Install dependencies
         working-directory: .github/workflows/lib
-        run: uv sync
+        run: uv sync --extra test
 
       - name: Run tests
         working-directory: .github/workflows/lib
@@ -71,7 +71,7 @@ jobs:
 
       - name: Install dependencies
         working-directory: .github/workflows/lib
-        run: uv sync
+        run: uv sync --extra test
 
       - name: Validate approval logic
         working-directory: .github/workflows/lib