Integrated dice roller

[ringo380]

Description

Add a built-in dice roller accessible from both DM and player views. Support standard D&D dice notation with modifiers, advantage/disadvantage, and roll history.

Requirements

• Standard dice notation (2d6+3, 1d20, etc.)
• Advantage/disadvantage rolls
• Roll history log
• Visual dice animation (optional)
• Shareable rolls between DM and players
• Quick-roll buttons for common checks

Acceptance Criteria

• Dice roller is accessible from both views
• Supports standard D&D dice notation
• Roll history is maintained per session
• Rolls can be shared between DM and players