feat: enhance OllaHub with new features and UI improvements

- Introduced a comprehensive README.md detailing the application, its architecture, and key features.
- Implemented a local-first architecture with deep research capabilities, including query decomposition and parallel web scraping.
- Added a reactive UI built with React and Next.js, featuring Tailwind CSS for styling and Zustand for state management.
- Integrated a task scheduler for recurring tasks and system monitoring for real-time resource management.
- Enhanced settings page with debug mode options and improved hardware dashboard loading states.
- Updated chat interface to include debug data visualization and improved user experience during message streaming.
- Removed unused favicon and updated application icons for better branding.
- Improved navigation handling with non-blocking transitions and state management for setup completion.

hooks/use-setup-check.ts

@@ -0,0 +1,111 @@
+import { useState, useEffect } from 'react';
+import { invoke } from '@tauri-apps/api/core';
+import { useOllamaCheck, type OllamaStatus } from './use-ollama-check';
+
+export type SetupStatus = 'checking' | 'ready' | 'needs_setup' | 'needs_ollama';
+
+export function useSetupCheck() {
+  const { status: ollamaStatus, check: checkOllama } = useOllamaCheck();
+  const [setupStatus, setSetupStatus] = useState<SetupStatus>('checking');
+  const [checkingStep, setCheckingStep] = useState<string>('Verificando Ollama...');
+  const [hasModels, setHasModels] = useState(false);
+  const [modelsCount, setModelsCount] = useState(0);
+
+  const checkModels = async (): Promise<boolean> => {
+    try {
+      setCheckingStep('Verificando modelos instalados...');
+      const models = await invoke<Array<{ name: string; size: string; id: string; modified_at: string }>>('list_local_models');
+      const count = models.length;
+      setModelsCount(count);
+      const hasAny = count > 0;
+      setHasModels(hasAny);
+      return hasAny;
+    } catch (error) {
+      console.error('Failed to check models:', error);
+      // Em caso de erro, assumir que não há modelos (seguro)
+      setHasModels(false);
+      setModelsCount(0);
+      return false;
+    }
+  };
+
+  const determineSetupStatus = async (ollamaStatus: OllamaStatus): Promise<SetupStatus> => {
+    // Se Ollama não está instalado, precisa instalar
+    if (ollamaStatus === 'not_installed') {
+      return 'needs_ollama';
+    }
+
+    // Se Ollama está instalado mas parado, tentar iniciar primeiro
+    if (ollamaStatus === 'installed_stopped') {
+      try {
+        setCheckingStep('Iniciando Ollama...');
+        await invoke('auto_start_ollama');
+        // Aguardar um pouco para o servidor iniciar
+        await new Promise(resolve => setTimeout(resolve, 2000));
+        
+        // Verificar novamente se está rodando
+        const running = await invoke<boolean>('check_ollama_running');
+        if (!running) {
+          // Ainda não está rodando, precisa de intervenção do usuário
+          return 'needs_setup';
+        }
+        // Agora está rodando, verificar modelos
+        const hasAnyModels = await checkModels();
+        return hasAnyModels ? 'ready' : 'needs_setup';
+      } catch (error) {
+        console.error('Failed to auto-start Ollama:', error);
+        return 'needs_setup';
+      }
+    }
+
+    // Se Ollama está rodando, verificar modelos
+    if (ollamaStatus === 'running') {
+      const hasAnyModels = await checkModels();
+      return hasAnyModels ? 'ready' : 'needs_setup';
+    }
+
+    // Estado checking ou qualquer outro caso
+    return 'checking';
+  };
+
+  useEffect(() => {
+    const performCheck = async () => {
+      if (ollamaStatus === 'checking') {
+        setSetupStatus('checking');
+        setCheckingStep('Verificando Ollama...');
+        return;
+      }
+
+      const status = await determineSetupStatus(ollamaStatus);
+      setSetupStatus(status);
+      
+      if (status === 'ready') {
+        setCheckingStep('Tudo pronto!');
+      } else if (status === 'needs_setup') {
+        setCheckingStep('Configuração necessária');
+      } else if (status === 'needs_ollama') {
+        setCheckingStep('Ollama não instalado');
+      }
+    };
+
+    performCheck();
+    // eslint-disable-next-line react-hooks/exhaustive-deps
+  }, [ollamaStatus]);
+
+  const recheck = async () => {
+    setSetupStatus('checking');
+    setCheckingStep('Verificando Ollama...');
+    await checkOllama();
+    // O useEffect vai processar o novo status
+  };
+
+  return {
+    status: setupStatus,
+    ollamaStatus,
+    hasModels,
+    modelsCount,
+    checkingStep,
+    recheck,
+  };
+}
+