Smoke testing when updating dependencies (and doing PR's)

[hakan-persson]

A summary of what is added:

New files:

• tests/conftest.py — Sets env vars before any app imports, provides a session-scoped TestClient fixture with scoutnet_init/scoutnet_shutdown mocked
• tests/test_smoke.py — 5 smoke tests: app boots, /metrics, /app-config, /api/docs, /api/openapi.json
• .github/workflows/ci.yml — CI workflow triggered on pushes to deps/** and PRs to main

Modified files:

• pyproject.toml — Added [dependency-groups] dev = ["pytest>=8"] and [tool.pytest.ini_options]

How it fits together: create-pull-request pushes to the deps/update-uv-lock branch before creating the PR. That push triggers ci.yml (via the push: deps/** trigger), so CI results appear on the PR before you merge.

[Copilot]

Pull request overview

Adds a lightweight CI smoke-test gate for dependency update pull requests, ensuring the FastAPI app boots and key endpoints respond after lockfile upgrades.

Changes:

• Added pytest-based smoke tests with a session-scoped TestClient fixture that mocks external Scoutnet init/shutdown and disables auth.
• Introduced a new GitHub Actions CI workflow to run the smoke tests on deps/** branch pushes and PRs targeting main.
• Added a dev dependency group for pytest and updated uv.lock accordingly.

Reviewed changes

Copilot reviewed 5 out of 7 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
uv.lock	Adds dev/test tooling dependencies (pytest and its transitive deps) to the lockfile.
pyproject.toml	Defines a dev dependency group and pytest discovery settings.
tests/conftest.py	Sets env vars early and provides a mocked, session-scoped FastAPI TestClient fixture.
tests/test_smoke.py	Adds endpoint-level smoke tests for app boot and key routes.
.github/workflows/update-dependencies.yml	Updates dependency-update automation action versions and PR metadata.
.github/workflows/ci.yml	New workflow to install dev deps and run pytest smoke tests.

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