Feature: add interactive Mermaid diagram rendering with pan-zoom #261
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…m support - Add MermaidRenderer component with fullscreen dialog viewer - Integrate @panzoom/panzoom for smooth pan and zoom interactions - Replace auto-rendering with on-demand code block buttons (copy + render) - Add intelligent height fitting and vertical centering for optimal viewing - Support copy feedback with visual indicators - Add accessibility compliance with proper DialogTitle - Maintain performance with caching and intersection observer optimization
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Need Help：
Currently unable to render Mermaid diagrams directly within the MessageList due to virtual scrolling implementation. The virtual scrolling causes components to repeatedly unmount/mount during scroll operations, resulting in constant flickering and re-rendering of Mermaid SVGs. This approach with on-demand dialog rendering solves the performance issue, but if anyone has experience with stable Mermaid rendering in virtualized lists, feedback would be appreciated.
Issue Resolution
This change potentially provides a temporary workaround solution for Issue #249, which likely relates to Mermaid diagram rendering problems in the message interface