Add camera device endpoint

[A-Artemis]

Summary

Adds an endpoint which displays the available camera devices

How to test

GET /api/system/devices/camera

Checklist

• The PR title and description are clear and descriptive
• I have manually tested the changes
• All changes are covered by automated tests
• All related issues are linked to this PR (if applicable)
• Documentation has been updated (if applicable)

[Copilot]

Pull request overview

This PR adds a new endpoint to retrieve available camera devices on the system. The implementation includes a new CameraInfo schema, service method to enumerate cameras, and API endpoint at /api/system/devices/camera.

Key changes:

• Added get_camera_devices() method to SystemService that uses the cv2-enumerate-cameras library
• Created new CameraInfo schema with index and name fields
• Added GET endpoint /api/system/devices/camera to the system router

Reviewed changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 1 comment.

Show a summary per file

File	Description
application/backend/pyproject.toml	Added cv2-enumerate-cameras dependency version 1.3.1
application/backend/app/schemas/system.py	Defined CameraInfo schema for camera device information
application/backend/app/services/system_service.py	Implemented get_camera_devices() method using enumerate_cameras library
application/backend/app/api/routers/system.py	Added GET /api/system/devices/camera endpoint
application/backend/tests/unit/services/test_system_service.py	Added test coverage for get_camera_devices() method
application/backend/tests/unit/routers/test_system.py	Added test coverage for camera devices endpoint

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[github-actions]

📊 Test coverage report

Metric	Coverage
Lines	40.2%
Functions	34.9%
Branches	84.8%
Statements	40.2%

[github-actions]

Docker Image Sizes

CPU

Image	Size
geti-tune-cpu:pr-5101	2.85G
geti-tune-cpu:sha-f17857f	2.85G

GPU

Image	Size
geti-tune-gpu:pr-5101	10.61G
geti-tune-gpu:sha-f17857f	10.61G

XPU

Image	Size
geti-tune-xpu:pr-5101	8.69G
geti-tune-xpu:sha-f17857f	8.69G