v2.0.0

Release summary — changes since 1.1

Backup & Restore

• New Backup & Restore page (opened from the header gear, or via about:addons → Preferences).
• Export all saved sessions to a dated JSON file.
• Import sessions from a file — merges into existing ones, never overwrites, skips duplicates
  (same name + same tabs).

Session actions (new per-row ⋮ menu)

• Add all tabs — add the window's open tabs (or your selected tabs) to a session, skipping ones
  already saved.
• Add current tab — add just the active tab.
• Overwrite — replace a session's tabs with the current window's, with Undo.
• Delete — now in the menu, also with Undo (Delete already had it).

Usability & polish

• Clicking a session now brings it to the top of the list.
• Whole-row hover highlight for clearer targeting.
• Delete moved from a text button → red trash icon → into the ⋮ actions menu (danger actions
  grouped in red under a divider).
• Tooltips on all row actions.