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.

hooks/use-operating-system.ts

@@ -0,0 +1,56 @@
+import { useState, useEffect } from 'react';
+import { invoke } from '@tauri-apps/api/core';
+import type { OS } from '@/lib/download-utils';
+
+export function useOperatingSystem() {
+  const [os, setOs] = useState<OS | null>(null);
+  const [loading, setLoading] = useState(true);
+
+  useEffect(() => {
+    const detectOS = async () => {
+      try {
+        const detectedOS = await invoke<string>('get_operating_system');
+        // Mapear para o tipo OS
+        if (detectedOS === 'windows' || detectedOS === 'mac' || detectedOS === 'linux') {
+          setOs(detectedOS as OS);
+        } else {
+          // Fallback: tentar detectar via user agent
+          const userAgent = navigator.userAgent.toLowerCase();
+          if (userAgent.includes('win')) {
+            setOs('windows');
+          } else if (userAgent.includes('mac')) {
+            setOs('mac');
+          } else if (userAgent.includes('linux')) {
+            setOs('linux');
+          } else {
+            setOs('windows'); // Default fallback
+          }
+        }
+      } catch (error) {
+        console.error('Failed to detect OS:', error);
+        // Fallback: detectar via user agent
+        const userAgent = navigator.userAgent.toLowerCase();
+        if (userAgent.includes('win')) {
+          setOs('windows');
+        } else if (userAgent.includes('mac')) {
+          setOs('mac');
+        } else if (userAgent.includes('linux')) {
+          setOs('linux');
+        } else {
+          setOs('windows'); // Default fallback
+        }
+      } finally {
+        setLoading(false);
+      }
+    };
+
+    detectOS();
+  }, []);
+
+  return { os, loading };
+}
+
+
+
+
+