Download model weights

[A-Artemis]

Summary

Added endpoint to download model weights as a zip archive

How to test

"GET /api/projects/9d6af8e8-6017-4ebe-9126-33aae739c5fa/models/977eeb18-eaac-449d-bc80-e340fbe052ad/binary HTTP/1.0" 200

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 functionality to download trained model weights as a zip archive through a new API endpoint. The endpoint retrieves OpenVINO model files (model.xml and model.bin) and packages them into a downloadable zip file with FP16 precision naming.

Key changes:

• New /api/projects/{project_id}/models/{model_id}/binary endpoint for downloading model weights
• Service method to retrieve and validate model file paths
• Comprehensive test coverage for success, not found, and invalid ID scenarios

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 2 comments.

File	Description
application/backend/app/api/routers/models.py	Implements the new download endpoint with zip file creation and streaming response
application/backend/app/services/model_service.py	Adds get_model_files_path method to locate and validate model files
application/backend/tests/unit/routers/test_models.py	Adds three test cases covering successful download, not found error, and invalid ID scenarios
application/backend/app/db_seeder.py	Changes pipeline's is_running status from True to False

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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-5059	2.80G
geti-tune-cpu:sha-39d9912	2.80G

GPU

Image	Size
geti-tune-gpu:pr-5059	10.61G
geti-tune-gpu:sha-39d9912	10.61G

XPU

Image	Size
geti-tune-xpu:pr-5059	8.63G
geti-tune-xpu:sha-39d9912	8.63G