Bug fixes

A round of fixes across chat, projects, and connectors.

Chat

• Tables now stay contained within message bubble
• Whitespace between inline elements in lists is preserved
• Dialogs now animate cleanly when closing
• Fixed mention menu's connector list getting out of sync

Imagine

• Video extension start time now clamped to minimum of two seconds
• Fixed displayed reference image for image-to-video on post page
• Fixed disabled states on Imagine action buttons

Skills

• Fixed Skills page failing to load

Projects

• Projects now show spinner instead of "0" while source counts load
• Anonymous users no longer trigger share-links request
• Added touch support for reordering agent customizations on mobile

Connectors

• MCP connectors stay available when OAuth token expires with clearer auth errors