e950ad5306
Add intelligent floating scroll button for long conversations that: - Only appears when scrolling down (direction-aware) - Auto-hides after 3 seconds of inactivity - Stays visible on hover to prevent accidental disappearance - Uses consistent design patterns with repo styling - Includes proper accessibility features 🤖 Generated with [opencode](https://opencode.ai) Co-Authored-By: Jeremy Osih <osih.jeremy@gmail.com> Co-Authored-By: opencode <noreply@opencode.ai>