ChatDev/openspec/changes/fix-fullscreen-chat-scroll/specs/chat-panel/spec.md

ADDED Requirements

Requirement: Fullscreen Chat Scrolling

The chat messages area SHALL be scrollable when the chat panel is in fullscreen mode and messages exceed the visible viewport height.

Scenario: Messages overflow in fullscreen chat

• WHEN the chat panel is in fullscreen mode (viewMode === 'chat')
• AND the number of chat messages exceeds the visible area
• THEN the .chat-messages container SHALL allow vertical scrolling via overflow-y: auto

Scenario: Scroll position preserved on new message

• WHEN the user is scrolled to the bottom of the chat
• AND a new message arrives
• THEN the chat SHALL auto-scroll to show the latest message