ui: increase namespace detail panel width to 1000px

- Expand side panel from 800px to 1000px for better content viewing
- Version bump to 0.2.4

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Co-Authored-By: Claude <noreply@anthropic.com>
Co-Authored-By: Happy <yesreply@happy.engineering>

src/components/NamespacesListView.tsx

@@ -102,7 +102,7 @@ function NamespaceDetailPanel({ namespace, onClose }: NamespaceDetailPanelProps)
         right: 0,
         top: 0,
         bottom: 0,
-        width: '800px',
+        width: '1000px',
         backgroundColor: 'var(--background-paper, #fff)',
         boxShadow: '-2px 0 8px rgba(0,0,0,0.15)',
         overflowY: 'auto',