fix(ui-automation): Keep inactive tabs in next-step suggestions

Allow unselected tab elements to remain eligible as screen-changing tap examples while still filtering selected/current tabs and non-tab selected controls from generic next-step suggestions.

Add regression coverage for inactive tabs so the tab-priority path stays reachable.

Author: cameroncooke

src/mcp/tools/ui-automation/__tests__/runtime-next-steps.test.ts

@@ -105,6 +105,40 @@ describe('runtime snapshot next steps', () => {
     });
   });
 
+  it('keeps unselected tabs available as screen-changing tap suggestions', () => {
+    recordSnapshot([
+      createNode({
+        type: 'Tab',
+        role: 'AXTab',
+        AXLabel: 'Current',
+        AXValue: 'selected',
+        AXSelected: true,
+      }),
+      createNode({
+        type: 'Tab',
+        role: 'AXTab',
+        AXLabel: 'Search',
+        AXValue: 'not selected',
+        AXSelected: false,
+      }),
+    ]);
+
+    const snapshot = currentRuntimeSnapshot();
+    const searchTabRef = snapshot.elements.find((element) => element.label === 'Search')?.ref;
+
+    const steps = createRuntimeSnapshotNextSteps({
+      simulatorId,
+      runtimeSnapshot: snapshot,
+      includeRefreshAndWait: false,
+    });
+
+    expect(steps).toContainEqual({
+      label: 'Tap an elementRef',
+      tool: 'tap',
+      params: { simulatorId, elementRef: searchTabRef },
+    });
+  });
+
   it('uses hierarchy depth only as a foreground-root tie breaker', () => {
     recordSnapshot([
       nestNode(

src/mcp/tools/ui-automation/shared/runtime-next-steps.ts

@@ -84,12 +84,14 @@ function isStateChangingTapNextStepElement(element: {
   value?: string;
 }): boolean {
   const value = compactTapNextStepText(element.value).toLowerCase();
-  return (
-    element.role === 'switch' ||
+  const hasSelectionState =
     element.state?.selected === true ||
-    element.state?.selected === false ||
     value === 'selected' ||
-    value === 'not selected' ||
+    (element.role !== 'tab' && (element.state?.selected === false || value === 'not selected'));
+
+  return (
+    element.role === 'switch' ||
+    hasSelectionState ||
     value === '0' ||
     value === '1' ||
     value === 'off' ||