fix(desktop): sentence-case runtime descriptions in onboarding setup (#1944)

Signed-off-by: Matt Toohey <contact@matttoohey.com>
Co-authored-by: Claude Fable 5 <noreply@anthropic.com>

desktop/src/features/onboarding/ui/SetupStep.tsx

@@ -325,10 +325,14 @@ function RuntimeDetails({ runtime }: { runtime: AcpRuntimeCatalogEntry }) {
     runtime.command &&
     runtime.binaryPath
   ) {
+    const description = describeResolvedCommand(
+      runtime.command,
+      runtime.binaryPath,
+    );
     return (
       <>
         <p className="mt-2 text-sm leading-5 text-muted-foreground">
-          {describeResolvedCommand(runtime.command, runtime.binaryPath)}
+          {description.charAt(0).toUpperCase() + description.slice(1)}
         </p>
         {runtime.defaultArgs.length > 0 ? (
           <p className="mt-1 text-xs text-muted-foreground/80">