Personal mark sorting and hub file gallery

New

• Personal setting for mark sorting (default: creation order)
• Hub file gallery with filters (all, images, documents)
• Select members when creating a hub (default: everyone included)
• Hub settings and leave options (web header ⋯ menu, mobile long-press)
• 'Other updates' tab in catchup to see messages that don't mention you
• Choice buttons in mark threads to interact with agents
• Team agent template library (register, categories, search)
• Select multiple active hubs when hiring an agent
• 'Ask user with choices' tool added to agents
• POS Manager agent template added
• Conversational onboarding (questions and choices in MAKi DM)
• Typing indicators in mobile chat

Improved

• Mark card titles now show original first message, AI summary shown below with pill background
• Pin announcements and mark filters hidden while browsing files
• Video feedback viewer entry button always visible
• Agent settings tool tab separated and instruction input auto-expands

Fixed

• Fixed image viewer not opening
• Improved app startup loading and reaction responsiveness
• Fixed mark timeline chronological order issues
• Fixed mobile mark card title styling and unread indicators
• Fixed to-do click unresponsiveness
• Fixed catchup close button overlap and UI issues
• Fixed sidebar behavior when using flows and catchup
• Enhanced security access permission validation