feat: integrate TitleBar component across chat, settings, and tasks pages

- Added a new TitleBar component to enhance the UI consistency across chat, settings, and tasks pages.
- Updated layout structure to support responsive design and improve user experience.
- Adjusted container styles to ensure proper overflow handling and visual appeal.
- Enhanced Tauri configuration for improved window dimensions and capabilities.

components/titlebar.tsx

@@ -0,0 +1,123 @@
+'use client';
+
+import { useEffect, useState } from 'react';
+import { getCurrentWindow } from '@tauri-apps/api/window';
+import { Minus, Square, X } from 'lucide-react';
+import { cn } from '@/lib/utils';
+
+export function TitleBar() {
+  const [isMaximized, setIsMaximized] = useState(false);
+
+  useEffect(() => {
+    let isMounted = true;
+    
+    const checkMaximized = async () => {
+      try {
+        const appWindow = getCurrentWindow();
+        const maximized = await appWindow.isMaximized();
+        if (isMounted) {
+          setIsMaximized(maximized);
+        }
+      } catch (error) {
+        console.error('Failed to check window state:', error);
+      }
+    };
+    
+    checkMaximized();
+    
+    // Listener para mudanças de estado
+    const setupListener = async () => {
+      try {
+        const appWindow = getCurrentWindow();
+        const unlisten = await appWindow.onResized(async () => {
+          if (isMounted) {
+            const maximized = await appWindow.isMaximized();
+            setIsMaximized(maximized);
+          }
+        });
+        
+        return unlisten;
+      } catch (error) {
+        console.error('Failed to setup resize listener:', error);
+        return null;
+      }
+    };
+    
+    let unlistenFn: (() => void) | null = null;
+    setupListener().then(fn => {
+      unlistenFn = fn;
+    });
+
+    return () => {
+      isMounted = false;
+      if (unlistenFn) {
+        unlistenFn();
+      }
+    };
+  }, []);
+
+  const handleMinimize = async () => {
+    const appWindow = getCurrentWindow();
+    await appWindow.minimize();
+  };
+
+  const handleMaximize = async () => {
+    const appWindow = getCurrentWindow();
+    if (isMaximized) {
+      await appWindow.unmaximize();
+    } else {
+      await appWindow.maximize();
+    }
+  };
+
+  const handleClose = async () => {
+    const appWindow = getCurrentWindow();
+    await appWindow.close();
+  };
+
+  return (
+    <div 
+      className="h-8 bg-sidebar border-b border-sidebar-border flex items-center justify-between select-none z-50 shrink-0"
+      data-tauri-drag-region
+    >
+      {/* Área de arrasto com logo/título */}
+      <div 
+        className="flex items-center gap-2 px-4 h-full flex-1"
+        data-tauri-drag-region
+      >
+        <span className="text-sm font-medium text-sidebar-foreground">
+          OllaHub
+        </span>
+      </div>
+
+      {/* Controles de janela */}
+      <div className="flex items-center h-full">
+        <button
+          onClick={handleMinimize}
+          className="h-full w-12 flex items-center justify-center hover:bg-sidebar-accent transition-colors"
+          title="Minimizar"
+        >
+          <Minus className="w-4 h-4 text-sidebar-foreground" />
+        </button>
+        <button
+          onClick={handleMaximize}
+          className="h-full w-12 flex items-center justify-center hover:bg-sidebar-accent transition-colors"
+          title={isMaximized ? "Restaurar" : "Maximizar"}
+        >
+          <Square className={cn(
+            "w-3.5 h-3.5 text-sidebar-foreground",
+            isMaximized && "opacity-60"
+          )} />
+        </button>
+        <button
+          onClick={handleClose}
+          className="h-full w-12 flex items-center justify-center hover:bg-destructive transition-colors"
+          title="Fechar"
+        >
+          <X className="w-4 h-4 text-sidebar-foreground" />
+        </button>
+      </div>
+    </div>
+  );
+}
+