improve simulator #10

	name: Continuous Integration

	on:
	push:
	branches:
	- main
	- feature/** # allow testing

	pull_request:
	branches:
	- main
	workflow_dispatch:

	jobs:
	ci:
	runs-on: ubuntu-latest

	steps:
	- name: Checkout code
	uses: actions/checkout@v4

	- name: Set up Python
	uses: actions/setup-python@v5
	with:
	python-version: '3.12.10'

	# ✅ Cache pip dependencies
	- name: Cache pip dependencies
	uses: actions/cache@v4
	with:
	path: ~/.cache/pip
	key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
	restore-keys: \|
	${{ runner.os }}-pip-

	- name: Install dependencies
	run: pip install -r requirements.txt

	# ✅ Cache model files (to avoid repeated S3 downloads)
	- name: Cache model files
	uses: actions/cache@v4
	with:
	path: ./models
	key: models-${{ runner.os }}-${{ hashFiles('app/utils.py') }}
	restore-keys: \|
	models-${{ runner.os }}-

	# ✅ Configure AWS credentials (only needed for first-time model download)
	- name: Configure AWS credentials
	uses: aws-actions/configure-aws-credentials@v4
	with:
	aws-access-key-id: ${{ secrets.AWS_ACCESS_KEY_ID }}
	aws-secret-access-key: ${{ secrets.AWS_SECRET_ACCESS_KEY }}
	aws-region: ${{ secrets.AWS_REGION }}

	- name: Run tests
	env:
	MODEL_CACHE_DIR: ./models
	run: make test

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