Previously, failed downloads showed only an alert icon and a dismiss (X)
button — the user had no way to retry or reach the resource page without
manually re-adding the download and finding the source URL elsewhere.
This commit adds:
- POST /api/downloads/jobs/:jobId/retry endpoint (controller + service)
- retryDownloadJob() API method on the frontend
- Failed-state UI in ActiveDownloads.tsx now shows:
- Retry button (re-dispatches the original download job)
- 'Download page' external link (when the download URL is an HTTP(S) URL)
- Loading state on the retry button while the request is in-flight
- Screenshots documenting before/after UI
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