gsxdsm b6c15fe470 FN-5855: fix frozen dashboard spinners ...

Restore shared spinner animation behavior for dashboard AI activity indicators.

- switch BackgroundTasksIndicator loaders to the shared animate-spin utility class
- anchor shared spin utilities on SVG centers with transform-origin and transform-box rules
- add CSS regression tests covering global spin keyframes and spinner utility styles

Files changed:
 .../app/__tests__/spinner-animation.css.test.ts    | 50 ++++++++++++++++++++++
 .../app/components/BackgroundTasksIndicator.tsx    |  9 ++--
 packages/dashboard/app/styles.css                  |  7 +++
 3 files changed, 60 insertions(+), 6 deletions(-)

Fusion-Task-Id: FN-5855

Fusion-Task-Lineage: b94d4333-2e78-4c4b-a304-5a13b797bbc6

2026-06-01 23:29:21 -07:00

82 KiB

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