feat(ui): add recentUnique to deduplicate recent commands in Dashboard

💘 Generated with Crush

Assisted-by: MiniMax-M2.7 via Crush <crush@charm.land>

web/src/components/Dashboard.jsx

@@ -109,6 +109,15 @@ export default function Dashboard({ api, refreshRef }) {
       .map(([cmd, count]) => ({ cmd, count }))
   })()
 
+  const recentUnique = (() => {
+    const seen = new Set()
+    return recentCmds.filter(c => {
+      if (seen.has(c.cmd)) return false
+      seen.add(c.cmd)
+      return true
+    })
+  })()
+
   return (
     <div className="dash-grid">
       {/* CPU */}