[rishavvrajj]

Summary

This PR enhances the Virtual Classroom POC (/classroom_poc) with UX improvements, keyboard navigation, and UI cleanups.

Changes

• Toast Notification Removal: Removed the redundant connection toast on WebSocket open / auto-join; the persistent header connection status remains the source of truth.
• Keyboard Shortcuts:
  • T: Toggle thumbs-up reaction (👍)
  • R: Toggle raised hand (✋)
  • Guarded against input fields (isTypingInInput) and browser modifier keys (Ctrl + R / Cmd + R refresh).
  • Added <kbd>T</kbd> and <kbd>R</kbd> visual hints to the control buttons.
• Button Highlight Cleanup: Removed active-state background/border color toggling when reactions or raised hands are enabled.

Screen Recording

Recording.2026-10-16.200332.mp4

Testing

• Joined and auto-joined a classroom; no redundant toast appears.
• Pressed T and R to trigger thumbs-up and raise-hand reactions.
• Verified that Ctrl + R / Cmd + R still refreshes the page.
• Confirmed that typing in inputs does not trigger shortcuts.
• Checked that the header connection status still updates correctly.

Close #124 Assisted by AI using automatic multi-model routing, primarily Ollama.

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