Close command palette when clicking outside the input field

Add an onBlur event handler with a setTimeout to the input element in home.tsx to close the command palette after a delay.

Replit-Commit-Author: Agent
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Author: LCSGreplit

artifacts/personal-tool-console/src/pages/home.tsx

@@ -722,6 +722,7 @@ export default function Home() {
                 value={input}
                 onChange={(e) => { setInput(e.target.value); setIsPaletteOpen(true); }}
                 onFocus={() => setIsPaletteOpen(true)}
+                onBlur={() => setTimeout(() => setIsPaletteOpen(false), 120)}
                 onKeyDown={(e) => {
                   if (e.key === 'Escape') { e.preventDefault(); setIsPaletteOpen(false); return; }
                   if (e.key === 'Enter') {