Add retries and queue fields to result_extended (#513)

[jheld]

Fixes #513.

Support all fields in result_extended that celery's native database backend exposes. worker was already stored; this adds retries and queue.

• Add queue and retries columns to TaskResult model (+ migration)
• Populate them from the task request (request.retries, request.delivery_info['routing_key'])
• Surface them in the admin
• Tests

[Copilot]

Pull request overview

This PR extends django-celery-results’ database backend “result_extended” support to include Celery’s queue and retries fields (in addition to the existing worker field), aligning stored task metadata with Celery’s native DB backend.

Changes:

• Add queue and retries columns to TaskResult (plus migration) and expose them via TaskResult.as_dict().
• Populate retries and queue from the task request in the database backend extended properties.
• Surface queue/retries in the Django admin and add/adjust unit tests.

Reviewed changes

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

Show a summary per file

File	Description
t/unit/backends/test_database.py	Adds assertions and a new test covering persistence/metadata for queue and retries.
django_celery_results/models.py	Adds queue/retries fields to TaskResult and includes them in as_dict().
django_celery_results/migrations/0015_taskresult_retries_queue.py	Introduces the schema migration for the new columns.
django_celery_results/managers.py	Extends store_result() to accept/store queue and retries.
django_celery_results/backends/database.py	Reads request.retries and request.delivery_info['routing_key'] into extended properties.
django_celery_results/admin.py	Adds queue/retries to admin list display/filter/fieldsets.

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