Tidying up gateway dependencies

[lucaspar]

• New pre-commit action that runs deptry on the gateway side to track missing and unused dependencies.
  • Added rule exceptions to packages that Django calls dynamically and are not explicitly imported.
• New pre-commit action to prevent large files in git history.
• Updated django doc URLs to open the docs of the current v4.2 in use.
• Removed deprecated requirements/* files.

[semanticdiff-com]

Review changes with  

Changed Files

File	Status
gateway/config/settings/base.py	34% smaller
gateway/package-lock.json	26% smaller
gateway/config/settings/production.py	1% smaller
.pre-commit-config.yaml	0% smaller
gateway/.envs/example/django.prod-example.env	Unsupported file format
gateway/config/asgi.py	0% smaller
gateway/config/settings/local.py	0% smaller
gateway/config/settings/test.py	0% smaller
gateway/docs/changelog.md	Unsupported file format
gateway/justfile	Unsupported file format
gateway/pyproject.toml	Unsupported file format
gateway/requirements/base.txt	Unsupported file format
gateway/requirements/local.txt	Unsupported file format
gateway/requirements/production.txt	Unsupported file format
gateway/sds_gateway/users/models.py	0% smaller
gateway/uv.lock	Unsupported file format
sdk/src/spectrumx/errors.py	0% smaller

[Copilot]

Pull request overview

This PR modernizes the Python dependency management for the gateway project by introducing automated dependency tracking with deptry, updating documentation URLs to match the Django 4.2 version in use, and removing deprecated requirements files in favor of the uv-based workflow.

Changes:

• Adds deptry pre-commit hook and configuration to track missing and unused dependencies
• Updates all Django documentation URLs from /en/dev/ to /en/4.2/ to match the project's Django version
• Removes deprecated gateway/requirements/*.txt files (base.txt, local.txt, production.txt)

Reviewed changes

Copilot reviewed 9 out of 11 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
sdk/src/spectrumx/errors.py	Improves type hint for Unset singleton by using Self instead of string literal
gateway/uv.lock	Updates multiple dependencies including boto3, coverage, django-allauth, gunicorn, and others
gateway/requirements/*	Removes deprecated requirements files now superseded by pyproject.toml
gateway/pyproject.toml	Adds deptry configuration with DEP002/DEP003 ignore rules, updates fido2 version, adds requests dependency
gateway/config/settings/base.py	Updates Django documentation URLs to v4.2 and adds clarifying comments
.pre-commit-config.yaml	Adds check-added-large-files hook and deptry pre-commit hook
gateway/justfile	Adds deptry command for manual dependency checking
gateway/docs/changelog.md	Reformats text to improve line wrapping
gateway/package-lock.json	Updates npm dependencies including parcel/watcher, memfs, and others

Files not reviewed (1)

• gateway/package-lock.json: Language not supported

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