fix(ci): Use Ubuntu 22.04 for PyGObject compatibility

- Switch to ubuntu-22.04 runner for better GObject Introspection support
- Install system python3-gi package
- Install Python deps separately to avoid build issues

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

Author: anbeckham

.github/workflows/ci.yml

@@ -8,7 +8,7 @@ on:
 
 jobs:
   test:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-22.04  # Use 22.04 for better PyGObject compatibility
     strategy:
       matrix:
         python-version: ['3.10', '3.11', '3.12']
@@ -25,24 +25,24 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y \
+            python3-gi \
             python3-pyatspi \
             gir1.2-atspi-2.0 \
+            gir1.2-gtk-3.0 \
             at-spi2-core \
             libgirepository1.0-dev \
             libcairo2-dev \
             pkg-config \
-            python3-dev \
-            gobject-introspection \
-            libgtk-3-dev
+            python3-dev
 
       - name: Install Python dependencies
         run: |
           python -m pip install --upgrade pip
-          pip install -e ".[dev]"
+          pip install pytest pytest-asyncio mcp pycairo PyGObject
 
       - name: Run tests
         run: |
-          pytest tests/ -v
+          PYTHONPATH=src pytest tests/ -v
 
   lint:
     runs-on: ubuntu-latest