chore(.github/workflows): add CI workflows for commit lint, dependency audit, and install script testing

.github/workflows/dependency-audit.yml

@@ -0,0 +1,37 @@
+name: Dependency Audit
+
+on:
+  push:
+    branches: [main, dev]
+  pull_request:
+    branches: [main, dev]
+  schedule:
+    - cron: "0 8 1 * *"
+
+permissions:
+  contents: read
+  security-events: write
+
+jobs:
+  pip-audit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@v4
+
+      - name: Export requirements from uv
+        run: uv export --no-hashes -o requirements-audit.txt
+
+      - uses: pypa/gh-action-pip-audit@release/v1
+        with:
+          input: requirements-audit.txt
+
+      - name: Cleanup
+        if: always()
+        run: rm -f requirements-audit.txt