diff --git a/actions/setup/js/add_labels.test.cjs b/actions/setup/js/add_labels.test.cjs
index 3a233e043d7..c1f0e5bde2e 100644
--- a/actions/setup/js/add_labels.test.cjs
+++ b/actions/setup/js/add_labels.test.cjs
@@ -569,5 +569,86 @@ describe("add_labels", () => {
       expect(result.number).toBe(99);
       expect(addLabelsCalls[0].issue_number).toBe(99);
     });
+
+    it("should preview labels in staged mode without calling API", async () => {
+      const handler = await main({ max: 10, staged: true });
+      const addLabelsCalls = [];
+
+      mockGithub.rest.issues.addLabels = async params => {
+        addLabelsCalls.push(params);
+        return {};
+      };
+
+      const result = await handler(
+        {
+          item_number: 100,
+          labels: ["bug", "enhancement"],
+        },
+        {}
+      );
+
+      expect(result.success).toBe(true);
+      expect(result.staged).toBe(true);
+      expect(result.previewInfo).toBeDefined();
+      expect(result.previewInfo.number).toBe(100);
+      expect(result.previewInfo.labels).toEqual(["bug", "enhancement"]);
+      expect(addLabelsCalls.length).toBe(0);
+    });
+
+    it("should count staged calls toward processedCount", async () => {
+      const handler = await main({ max: 1, staged: true });
+
+      const result1 = await handler({ item_number: 1, labels: ["bug"] }, {});
+      expect(result1.success).toBe(true);
+      expect(result1.staged).toBe(true);
+
+      const result2 = await handler({ item_number: 2, labels: ["enhancement"] }, {});
+      expect(result2.success).toBe(false);
+      expect(result2.error).toContain("Max count");
+    });
+
+    it("should filter out labels matching blocked patterns", async () => {
+      const handler = await main({
+        max: 10,
+        blocked: ["internal-*", "~*"],
+      });
+      const addLabelsCalls = [];
+
+      mockGithub.rest.issues.addLabels = async params => {
+        addLabelsCalls.push(params);
+        return {};
+      };
+
+      const result = await handler(
+        {
+          item_number: 100,
+          labels: ["bug", "internal-only", "~secret", "enhancement"],
+        },
+        {}
+      );
+
+      expect(result.success).toBe(true);
+      expect(result.labelsAdded).toEqual(["bug", "enhancement"]);
+      expect(addLabelsCalls[0].labels).toEqual(["bug", "enhancement"]);
+    });
+
+    it("should succeed with empty labelsAdded when all labels filtered by allowed list", async () => {
+      const handler = await main({
+        max: 10,
+        allowed: ["bug", "enhancement"],
+      });
+
+      const result = await handler(
+        {
+          item_number: 100,
+          labels: ["documentation", "invalid-label"],
+        },
+        {}
+      );
+
+      expect(result.success).toBe(true);
+      expect(result.labelsAdded).toEqual([]);
+      expect(result.message).toContain("No valid labels");
+    });
   });
 });
diff --git a/pkg/workflow/label_trigger_integration_test.go b/pkg/workflow/label_trigger_integration_test.go
index cadb73df47d..549a0d2c6d6 100644
--- a/pkg/workflow/label_trigger_integration_test.go
+++ b/pkg/workflow/label_trigger_integration_test.go
@@ -88,8 +88,8 @@ func TestLabelTriggerIntegrationSimple(t *testing.T) {
 	}
 
 	required, ok := itemNumber["required"].(bool)
-	if !ok || !required {
-		t.Errorf("item_number.required = %v, want true", required)
+	if !ok || required {
+		t.Errorf("item_number.required = %v, want false", required)
 	}
 }