* feat(library): add Clear Pending action to transfer queue
Adds a "Clear Pending" button to the transfer queue panel that removes
only pending (including retry-pending) transfers, leaving in-progress,
completed, failed, and cancelled items intact. Wired through the store,
manager (with queue persistence), and useTransferQueue hook.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
* i18n: translate Clear Pending and reading-statistics strings across locales
Adds translations for "Clear Pending" (transfer queue) and the two
reading-statistics sync-category strings ("Reading statistics" and its
description) across all 33 locales.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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Co-authored-by: Claude Opus 4.8 (1M context) <noreply@anthropic.com>