Fixes and improvements

• We added AI-powered summaries, giving you quick TL;DR overviews of cases and items attached to them.
• We improved the UI for asking questions about cases and individual emails, making it easier to jump into chat and get focused TL;DR summaries.
• On the Case page, Conversations has been renamed to AI history.
• We fixed an issue where the case description would slightly change height when you clicked to edit it.
• Email statuses have been simplified from four to two: unactioned and actioned, making it clearer when something needs your attention.
• On the Constituent page, you can now add multiple email addresses and phone numbers, and set one as the primary.
• We removed the active / inactive badge from the constituent list, as it was redundant and only reflected whether someone had previously been in touch.
• We updated the move constituent button on the Case page to make its purpose much clearer.
• We fixed a bug with the leave a comment input on the Case page that limited its height and the amount of text you could enter.
• We updated the constituent list search to behave like an inline “find” tool, so you can quickly jump to a constituent without leaving your flow.