test scope schedule to requesting user

tests/Unit/ScheduledNode/UseCases/GetTodaysScheduleTest.php

@@ -184,4 +184,39 @@ class GetTodaysScheduleTest extends TestCase
 
         $this->assertEquals(1, count($result));
     }
+
+    public function test_does_not_return_other_users_scheduled_nodes(): void
+    {
+        $otherUser = $this->userRepo->create(new CreateUserDto(
+            email: new EmailAddress('other@email.com'),
+            passwordHash: 'hash',
+            isAdmin: false,
+        ));
+        $otherPlan = $this->planRepo->create(new CreatePlanDto(
+            name: 'other plan',
+            user: $otherUser,
+        ));
+        $this->scheduledNodeRepo->create(new CreateScheduledNodeDto(
+            date: new DateTimeImmutable('2025-01-02'),
+            plan: $otherPlan,
+            node: new Node(
+                id: 0,
+                title: 'other node',
+                text: new Text(id: 0, name: 'test text'),
+                parentNode: null,
+            ),
+        ));
+
+        $result = $this->useCase->execute(new GetTodaysScheduleRequest(
+            date: '2025-01-02',
+            userId: 0,
+        ));
+
+        $this->assertEquals(1, count($result));
+        $resultNode = array_values($result)[0];
+        $this->assertEquals(
+            0,
+            $resultNode->getPlan()->getUser()->getId()
+        );
+    }
 }