Implement CI/CD with GitHub Actions and update roadmap: Add CI workflow for build, test, lint, and deploy steps. Mark CI/CD as complete in roadmap. Fix import path in test suite.

.github/workflows/ci.yml

@@ -0,0 +1,47 @@
+name: CI
+
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["master"]
+
+jobs:
+  build-test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.11"
+
+      - name: Install Poetry
+        run: python -m pip install --upgrade pip poetry
+
+      - name: Install dependencies
+        run: |
+          poetry config virtualenvs.create false
+          poetry install --with dev
+
+      - name: Install Playwright browsers
+        run: poetry run playwright install --with-deps chromium
+
+      - name: Build package
+        run: poetry build
+
+      - name: Static analysis
+        run: poetry run python -m compileall src
+
+      - name: Lint (errors only)
+        run: |
+          python -m pip install pylint
+          poetry run pylint --errors-only src/autometabuilder
+
+      - name: Unit tests
+        run: PYTHONPATH=src poetry run pytest tests/test_main.py tests/test_metadata.py tests/test_roadmap.py
+
+      - name: UI tests
+        run: PYTHONPATH=src poetry run pytest tests/ui