feat: add emoji-regex and remove-accents dependencies; enhance chat and setup pages

- Added `emoji-regex` and `remove-accents` packages to improve text processing capabilities.
- Implemented automatic Ollama startup in the chat page for better user experience.
- Enhanced setup page to include GPU selection based on hardware specifications.
- Updated chat input to support real-time validation and improved user feedback.
- Refactored message handling in chat to incorporate new processing features.

components/chat/streaming-indicator.tsx

@@ -0,0 +1,43 @@
+'use client';
+
+import { Loader2, Sparkles } from 'lucide-react';
+import { cn } from '@/lib/utils';
+import { useEffect, useState } from 'react';
+
+interface StreamingIndicatorProps {
+  isStreaming: boolean;
+  className?: string;
+}
+
+export function StreamingIndicator({ isStreaming, className }: StreamingIndicatorProps) {
+  const [dots, setDots] = useState('');
+
+  useEffect(() => {
+    if (!isStreaming) {
+      setDots('');
+      return;
+    }
+
+    const interval = setInterval(() => {
+      setDots(prev => {
+        if (prev === '...') return '';
+        return prev + '.';
+      });
+    }, 500);
+
+    return () => clearInterval(interval);
+  }, [isStreaming]);
+
+  if (!isStreaming) return null;
+
+  return (
+    <div className={cn("flex items-center gap-2 text-xs text-muted-foreground px-6 py-2", className)}>
+      <div className="relative">
+        <Sparkles className="w-3 h-3 text-primary animate-pulse" />
+        <div className="absolute inset-0 bg-primary/20 rounded-full animate-ping" />
+      </div>
+      <span>Streaming{dots}</span>
+    </div>
+  );
+}
+