Agent 1:1 DMs and Guest Invites for remote meetings

New

• Click an agent to open a 1:1 DM and get automatic responses without slash commands
• Agents now continue responding in thread replies
• Invite external participants to remote meetings via guest links with automatic entry
• Guest badges are displayed in remote meetings with guidance on ending calls
• Select AI models per feature and track OpenRouter actual costs

Improved

• Re-invites let you continue previous DM conversations and member removals reflect in real-time
• Author names are displayed on image and file-only messages
• Mobile image viewer supports pinch zoom, fixed pin size, native comment input bar, and pin detail bottom sheet
• Workspace settings modal information updates in real-time
• Guest invite UI elements changed from purple to neutral colors

Fixed

• Switching hubs no longer causes chat to stick in the middle; it scrolls to the bottom
• Clicking agents repeatedly no longer bounces you to a different hub
• Todo and Note edit modal scrolling works correctly
• Image and file messages display properly when re-entering MarkChat