fix(desktop): allow skipping harness setup onboarding (#2360)

Signed-off-by: Taksh <takshkothari09@gmail.com>

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

@@ -215,7 +215,14 @@ export function MachineOnboardingFlow({
                 back: () =>
                   setPage(identityWasImported ? "key-import" : "backup"),
                 next: (runtimeIds) => {
-                  setReadyRuntimeIds(Array.from(runtimeIds));
+                  const ids = Array.from(runtimeIds);
+                  setReadyRuntimeIds(ids);
+                  // Harness install can fail (Windows/PATH/network). Don't soft-lock
+                  // onboarding — users can finish setup later in Settings → Agents.
+                  if (ids.length === 0) {
+                    complete(selectedPubkey ?? undefined);
+                    return;
+                  }
                   setPage("config");
                 },
               }}

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

@@ -687,6 +687,16 @@ function SetupStepContent({
           Next
         </Button>
 
+        <Button
+          className="h-9 rounded-full bg-foreground/10 px-6 text-sm hover:bg-foreground/15"
+          data-testid="onboarding-setup-skip"
+          onClick={() => actions.next([])}
+          type="button"
+          variant="ghost"
+        >
+          Skip for now
+        </Button>
+
         <Button
           className="h-9 rounded-full bg-foreground/10 px-6 text-sm hover:bg-foreground/15"
           data-testid="onboarding-back"