fix(finalmouse): hide the polling card for the Starlight X

src/app/cards/availability.test.ts

@@ -101,6 +101,27 @@ test("a driver still reading hides the settings grid but not the rest", () => {
   assert.equal(has.logitechDetails, true);
 });
 
+test("the Finalmouse Starlight X has no polling card; the Ultralight X keeps it", () => {
+  // SLX runs PerfectPolling (a fixed pipeline) and reports a rate it will not
+  // let the user change, so the selector is dropped and PerfectPollingCard
+  // stands in. Only `finalmouseIsSlx` distinguishes the two dongles.
+  const slx = cardAvailability(snapshot({ status: {
+    brand: "Finalmouse",
+    name: "Finalmouse Starlight X",
+    ui: { family: "finalmouse-slx" },
+    finalmouseIsSlx: true,
+  } as Partial<MouseStatus> }));
+  assert.equal(slx.polling, false);
+
+  const ulx = cardAvailability(snapshot({ status: {
+    brand: "Finalmouse",
+    name: "Finalmouse UltralightX",
+    ui: { family: "finalmouse-ulx" },
+    finalmouseIsSlx: false,
+  } as Partial<MouseStatus> }));
+  assert.equal(ulx.polling, true);
+});
+
 test("the sensor card goes when the mouse reports neither surface nor lift-off", () => {
   assert.equal(cardAvailability(snapshot({
     status: { supportedLiftOffDistances: [] },

src/app/cards/availability.ts

@@ -148,11 +148,15 @@ function computeCardAvailability(snapshot: ControlSnapshot): CardAvailability {
     // The Attack Shark X11's settings channel is native-only (settingsReady
     // stays false), but its polling rate is still controllable through
     // OpenMouse Bridge — see isNativeAttackSharkX11 in device/controller.ts.
-    polling: ready || (
+    //
+    // The Finalmouse Starlight X reports a polling rate but has no adjustable
+    // one: PerfectPolling runs a fixed pipeline (see PerfectPollingCard), so
+    // there is nothing to pick. Ultralight X keeps the selector.
+    polling: !isSlxStatus(status) && (ready || (
       status.brand === "Attack Shark"
       && status.name === "Attack Shark X11"
       && status.ui?.settingsReady === false
-    ),
+    )),
     sensor: sensor && ready,
     lightforce: Boolean(status.lightforceSwitchMode),
     superstrike: traits.logitech && status.analogButtonTuning?.buttons.length === 2,