Feature chat export markdown Summary

• Add chat export to markdown with embedded Mermaid SVG images
• Generate dynamic titles and filenames aligned to repo/username context
• Refactor export logic into shared helpers and add concise documentation

Changes

• Build structured markdown export with per-role turn headings
• Convert Mermaid code blocks to embedded SVG images in markdown
• Centralize export flow (chart conversion + markdown build + download)

[vercel-next.js-chat-export-2026-01-13T01-43-44-143Z.md](https://github.com/user-attachments/files/24577657/vercel-next.js-chat-export-2026-01-13T01-43-44-143Z.md)

Add copy response functionality

• Add per‑AI response copy button with a custom overlapping‑squares icon.
• Copy now supports rich text/html + text/plain, with markdown and plain‑text fallbacks.
• Convert mermaid charts to SVG data URIs before copying, and sanitize empty image src in HTML rendering.
• Before

• After

• Copy Icon

Add selection-to-ask flow for RepoMindAI

Summary

• Add “Ask RepoMindAI” floating action when selecting text inside AI responses
• Store selection as a reference and prepend it to the next query (supports submit without typed input)
• Add reference chip above the input with clear control and hover animation

Changes

• Allow empty submit when a reference is present (ChatInput.tsx)
• Selection handling, reference state, and floating button in repo and profile chats (ChatInterface.tsx, ProfileChatInterface.tsx)
• Hover animation for the floating action button