feat(workspace): Enhance theme configuration with new typography and color settings

- Added rounded radius and spacious density to theme
- Introduced grayscale and surface color settings for improved UI
- Configured typography with JetBrains Mono font, including multiple font sources

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

Author: mjunaidca

apps/web/src/app/workspace/page.tsx

@@ -132,11 +132,42 @@ const WorkspaceContent = () => {
     },
     theme: {
       colorScheme: "dark",
+      radius: 'round',
+      density: 'spacious',
+      color: {
+        grayscale: {
+          hue: 0,
+          tint: 0
+        },
+        surface: {
+          background: '#141415',
+          foreground: '#111212'
+        }
+      },
+      typography: {
+        baseSize: 18,
+        fontFamily: '\'JetBrains Mono\', monospace',
+        fontFamilyMono: '\'JetBrains Mono\', monospace',
+        fontSources: [
+          {
+            family: 'JetBrains Mono',
+            style: 'normal',
+            weight: 300,
+            display: 'swap',
+            src: 'https://fonts.gstatic.com/s/jetbrainsmono/v23/tDbV2o-flEEny0FZhsfKu5WU4xD1OwGtT0rU3BE.woff2',
+            unicodeRange: 'U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF'
+          }
+        // ...and 9 more font sources
+        ]
+      }
+  
     },
+
     composer: {
       // Keep placeholder for now as it's useful
       placeholder: "Voice System Online. Press Orb to Speak...",
     },
+
     // Simplified startScreen as per reference pattern (can be empty or minimal)
     startScreen: {
       greeting: "MISSION CONTROL ONLINE",