gui: title "RealSense D435i - Head Camera" (was "react" / "Nuwa HP60C")

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

src/frontend/react/index.html

@@ -4,7 +4,7 @@
     <meta charset="UTF-8" />
     <link rel="icon" type="image/svg+xml" href="/favicon.svg" />
     <meta name="viewport" content="width=device-width, initial-scale=1.0" />
-    <title>react</title>
+    <title>RealSense D435i - Head Camera</title>
   </head>
   <body>
     <div id="root"></div>

src/frontend/react/src/components/Header.jsx

@@ -12,7 +12,7 @@ export function Header() {
       padding: '0 16px',
       gap: '16px',
     }}>
-      <h1 style={{ fontSize: '15px', fontWeight: 600 }}>Nuwa HP60C</h1>
+      <h1 style={{ fontSize: '15px', fontWeight: 600 }}>RealSense D435i - Head Camera</h1>
       <div style={{ display: 'flex', gap: '12px', marginLeft: 'auto', fontSize: '12px' }}>
         <Indicator label="SDK" active={connected} />
         <Indicator label="Camera" active={cameraOpen} />