Q(ueue) 1.2.1

Fixed

• Provider subprocess cleanup after cancellation.
• Done then Undo resuming pending or failed work.
• Separate handling for pasted URL and local-path lists.
• Structured provider output fallback and malformed-card rejection.
• Accurate Limited status after native source reads.
• Hidden HTML fallbacks and page chrome no longer become card content.

See CHANGELOG.md for the complete list.