The themed banner and headless cookie list exposed only the tracker
name, description, and duration, so trackers that share a name but
differ in technology were indistinguishable to visitors.
Add the tracker type to the headless CookieItem model and render it as a
labeled "Type: <value>" detail under the tracker name, with an explicit
aria-label for assistive technology. Tracker type names are Web platform
API names (Cookie, Local storage, IndexedDB, ...), so they are kept
canonical while only the surrounding label is localized.
Signed-off-by: Émile Ré <emile@probo.com>
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