refactor: Add comprehensive type hints to backend modules #326

	name: CI for Jupyter Notebooks

	on:
	push:
	branches: [main]
	paths:
	- "**.py"
	- "**.ipynb"
	- "pyproject.toml"
	- ".github/workflows/notebook-testing.yml"
	pull_request:
	branches: [main]
	paths:
	- "**.py"
	- "**.ipynb"
	- "pyproject.toml"
	- ".github/workflows/notebook-testing.yml"

	jobs:
	test-notebooks:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout repository
	uses: actions/checkout@v5

	- name: Set up Python
	uses: actions/setup-python@v6
	with:
	python-version: "3.10"

	- name: Install dependencies
	run: \|
	python -m pip install --upgrade pip
	pip install nbconvert nbclient ipykernel
	pip install -e .

	- name: Run Jupyter Notebooks
	run: \|
	for notebook in $(find . -name '*.ipynb'); do
	echo "Executing $notebook"
	jupyter nbconvert --to notebook --execute --inplace $notebook
	done

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