Merge branch 'feature/fold-set-tree'

backend/app/Http/Controllers/ScheduleController.php

@@ -4,6 +4,7 @@ namespace App\Http\Controllers;
 
 use App\Exceptions\BadRequestException;
 use App\Exceptions\NotFoundException;
+use App\Schedule\AssignmentForDate;
 use App\Schedule\Schedule;
 use App\Schedule\ScheduleAssignment;
 use App\Schedule\UseCases\CreateSchedule\CreateSchedule;
@@ -11,6 +12,8 @@ use App\Schedule\UseCases\CreateSchedule\CreateScheduleRequest;
 use App\Schedule\UseCases\GetSchedule\GetSchedule;
 use App\Schedule\UseCases\GetSchedule\GetScheduleRequest;
 use App\Schedule\UseCases\ListSchedules\ListSchedules;
+use App\Schedule\UseCases\ListAssignmentsForDate\ListAssignmentsForDate;
+use App\Schedule\UseCases\ListAssignmentsForDate\ListAssignmentsForDateRequest;
 use App\Shared\Http\RequestInput;
 use App\User\User;
 use Illuminate\Http\JsonResponse;
@@ -22,6 +25,7 @@ class ScheduleController extends Controller
         private CreateSchedule $createSchedule,
         private ListSchedules $listSchedules,
         private GetSchedule $getSchedule,
+        private ListAssignmentsForDate $listAssignmentsForDate,
     ) {}
 
     public function store(Request $request): JsonResponse
@@ -90,6 +94,36 @@ class ScheduleController extends Controller
         ]);
     }
 
+    public function assignments(Request $request): JsonResponse
+    {
+        $input = new RequestInput($request);
+        $date = $input->string('date');
+
+        try {
+            $assignments = $this->listAssignmentsForDate->execute(
+                new ListAssignmentsForDateRequest(
+                    user: $this->user($request),
+                    date: $date,
+                ),
+            );
+        } catch (BadRequestException $exception) {
+            return new JsonResponse(
+                ['error' => $exception->getMessage()],
+                400,
+            );
+        }
+
+        return new JsonResponse([
+            'date' => $date,
+            'assignments' => array_map(
+                function (AssignmentForDate $assignment): array {
+                    return $this->assignmentForDatePayload($assignment);
+                },
+                $assignments,
+            ),
+        ]);
+    }
+
     /**
      * @return array<string, mixed>
      */
@@ -165,6 +199,30 @@ class ScheduleController extends Controller
         ];
     }
 
+    /**
+     * @return array<string, mixed>
+     */
+    private function assignmentForDatePayload(
+        AssignmentForDate $assignmentForDate,
+    ): array {
+        $assignment = $assignmentForDate->getAssignment();
+
+        return [
+            'id' => $assignment->getId(),
+            'schedule' => [
+                'id' => $assignmentForDate->getScheduleId(),
+                'set' => [
+                    'name' => $assignmentForDate->getSetName(),
+                ],
+            ],
+            'element' => [
+                'name' => $assignment->getName(),
+                'kind' => $assignment->getKind(),
+                'path' => $assignment->getPath(),
+            ],
+        ];
+    }
+
     private function user(Request $request): User
     {
         /** @var User $user */

backend/app/Schedule/AssignmentForDate.php

@@ -0,0 +1,27 @@
+<?php
+
+namespace App\Schedule;
+
+final readonly class AssignmentForDate
+{
+    public function __construct(
+        private int $scheduleId,
+        private string $setName,
+        private ScheduleAssignment $assignment,
+    ) {}
+
+    public function getScheduleId(): int
+    {
+        return $this->scheduleId;
+    }
+
+    public function getSetName(): string
+    {
+        return $this->setName;
+    }
+
+    public function getAssignment(): ScheduleAssignment
+    {
+        return $this->assignment;
+    }
+}

backend/app/Schedule/EloquentScheduleRepository.php

@@ -61,6 +61,40 @@ class EloquentScheduleRepository implements ScheduleRepository
         return $schedules;
     }
 
+    public function findAssignmentsForUserOnDate(
+        User $user,
+        DateTimeImmutable $date,
+    ): array {
+        $assignmentModels = ScheduleAssignmentModel::query()
+            ->select('schedule_assignments.*')
+            ->join(
+                'schedules',
+                'schedules.id',
+                '=',
+                'schedule_assignments.schedule_id',
+            )
+            ->where('schedules.user_id', $user->getId())
+            ->where('schedule_assignments.scheduled_date', $date->format(
+                'Y-m-d',
+            ))
+            ->with('schedule')
+            ->orderByDesc('schedules.id')
+            ->orderBy('schedule_assignments.position')
+            ->orderBy('schedule_assignments.id')
+            ->get();
+        $assignments = [];
+
+        foreach ($assignmentModels as $assignmentModel) {
+            $assignments[] = new AssignmentForDate(
+                scheduleId: $assignmentModel->schedule->id,
+                setName: $assignmentModel->schedule->set_name,
+                assignment: $this->assignmentToDomain($assignmentModel),
+            );
+        }
+
+        return $assignments;
+    }
+
     private function toDomain(ScheduleModel $model, User $user): Schedule
     {
         $assignmentModels = ScheduleAssignmentModel::query()
@@ -71,14 +105,7 @@ class EloquentScheduleRepository implements ScheduleRepository
         $assignments = [];
 
         foreach ($assignmentModels as $assignmentModel) {
-            $assignments[] = new ScheduleAssignment(
-                id: $assignmentModel->id,
-                name: $assignmentModel->element_name,
-                kind: $assignmentModel->element_kind,
-                path: $assignmentModel->element_path,
-                scheduledDate: $this->date($assignmentModel->scheduled_date),
-                position: $assignmentModel->position,
-            );
+            $assignments[] = $this->assignmentToDomain($assignmentModel);
         }
 
         return new Schedule(
@@ -92,6 +119,19 @@ class EloquentScheduleRepository implements ScheduleRepository
         );
     }
 
+    private function assignmentToDomain(
+        ScheduleAssignmentModel $model,
+    ): ScheduleAssignment {
+        return new ScheduleAssignment(
+            id: $model->id,
+            name: $model->element_name,
+            kind: $model->element_kind,
+            path: $model->element_path,
+            scheduledDate: $this->date($model->scheduled_date),
+            position: $model->position,
+        );
+    }
+
     private function date(string $value): DateTimeImmutable
     {
         return new DateTimeImmutable($value, new DateTimeZone('UTC'));

backend/app/Schedule/ScheduleAssignmentModel.php

@@ -5,6 +5,7 @@ namespace App\Schedule;
 use Illuminate\Database\Eloquent\Attributes\Fillable;
 use Illuminate\Database\Eloquent\Builder;
 use Illuminate\Database\Eloquent\Model;
+use Illuminate\Database\Eloquent\Relations\BelongsTo;
 
 /**
  * @property int $id
@@ -14,6 +15,7 @@ use Illuminate\Database\Eloquent\Model;
  * @property list<string> $element_path
  * @property string $scheduled_date
  * @property int $position
+ * @property-read ScheduleModel $schedule
  *
  * @method static Builder<static>|ScheduleAssignmentModel newModelQuery()
  * @method static Builder<static>|ScheduleAssignmentModel newQuery()
@@ -46,4 +48,12 @@ class ScheduleAssignmentModel extends Model
             'position' => 'integer',
         ];
     }
+
+    /**
+     * @return BelongsTo<ScheduleModel, $this>
+     */
+    public function schedule(): BelongsTo
+    {
+        return $this->belongsTo(ScheduleModel::class, 'schedule_id');
+    }
 }

backend/app/Schedule/ScheduleRepository.php

@@ -3,6 +3,7 @@
 namespace App\Schedule;
 
 use App\User\User;
+use DateTimeImmutable;
 
 interface ScheduleRepository
 {
@@ -14,4 +15,12 @@ interface ScheduleRepository
      * @return list<Schedule>
      */
     public function findAllForUser(User $user): array;
+
+    /**
+     * @return list<AssignmentForDate>
+     */
+    public function findAssignmentsForUserOnDate(
+        User $user,
+        DateTimeImmutable $date,
+    ): array;
 }

backend/app/Schedule/UseCases/ListAssignmentsForDate/ListAssignmentsForDate.php

@@ -0,0 +1,59 @@
+<?php
+
+namespace App\Schedule\UseCases\ListAssignmentsForDate;
+
+use App\Exceptions\BadRequestException;
+use App\Schedule\AssignmentForDate;
+use App\Schedule\ScheduleRepository;
+use DateTimeImmutable;
+use DateTimeZone;
+
+class ListAssignmentsForDate
+{
+    public function __construct(
+        private ScheduleRepository $scheduleRepository,
+    ) {}
+
+    /**
+     * @return list<AssignmentForDate>
+     * @throws BadRequestException
+     */
+    public function execute(ListAssignmentsForDateRequest $request): array
+    {
+        $date = $this->parseDate($request->date);
+
+        return $this->scheduleRepository->findAssignmentsForUserOnDate(
+            $request->user,
+            $date,
+        );
+    }
+
+    /**
+     * @throws BadRequestException
+     */
+    private function parseDate(?string $value): DateTimeImmutable
+    {
+        if ($value === null || $value === '') {
+            throw new BadRequestException('date is required');
+        }
+
+        $date = DateTimeImmutable::createFromFormat(
+            '!Y-m-d',
+            $value,
+            new DateTimeZone('UTC'),
+        );
+        $errors = DateTimeImmutable::getLastErrors();
+        if (
+            $date === false
+            || $date->format('Y-m-d') !== $value
+            || ($errors !== false
+                && ($errors['warning_count'] > 0 || $errors['error_count'] > 0))
+        ) {
+            throw new BadRequestException(
+                'date must be a valid date in YYYY-MM-DD format',
+            );
+        }
+
+        return $date;
+    }
+}

backend/app/Schedule/UseCases/ListAssignmentsForDate/ListAssignmentsForDateRequest.php

@@ -0,0 +1,13 @@
+<?php
+
+namespace App\Schedule\UseCases\ListAssignmentsForDate;
+
+use App\User\User;
+
+final readonly class ListAssignmentsForDateRequest
+{
+    public function __construct(
+        public User $user,
+        public ?string $date,
+    ) {}
+}

backend/routes/api.php

@@ -15,6 +15,7 @@ Route::middleware(AuthMiddleware::class)->group(function (): void {
     Route::get('/sets', [SetController::class, 'index']);
     Route::get('/sets/{setId}', [SetController::class, 'show'])
         ->whereNumber('setId');
+    Route::get('/assignments', [ScheduleController::class, 'assignments']);
     Route::post('/schedules', [ScheduleController::class, 'store']);
     Route::get('/schedules', [ScheduleController::class, 'index']);
     Route::get('/schedules/{scheduleId}', [ScheduleController::class, 'show'])

backend/tests/Fakes/FakeScheduleRepository.php

@@ -3,10 +3,12 @@
 namespace Tests\Fakes;
 
 use App\Schedule\CreateScheduleDto;
+use App\Schedule\AssignmentForDate;
 use App\Schedule\Schedule;
 use App\Schedule\ScheduleAssignment;
 use App\Schedule\ScheduleRepository;
 use App\User\User;
+use DateTimeImmutable;
 
 class FakeScheduleRepository implements ScheduleRepository
 {
@@ -72,6 +74,31 @@ class FakeScheduleRepository implements ScheduleRepository
         }, array_values($schedules));
     }
 
+    public function findAssignmentsForUserOnDate(
+        User $user,
+        DateTimeImmutable $date,
+    ): array {
+        $assignments = [];
+
+        foreach ($this->findAllForUser($user) as $schedule) {
+            foreach ($schedule->getAssignments() as $assignment) {
+                if ($assignment->getScheduledDate()->format('Y-m-d')
+                    !== $date->format('Y-m-d')
+                ) {
+                    continue;
+                }
+
+                $assignments[] = new AssignmentForDate(
+                    scheduleId: $schedule->getId(),
+                    setName: $schedule->getSetName(),
+                    assignment: $assignment,
+                );
+            }
+        }
+
+        return $assignments;
+    }
+
     private function copy(Schedule $schedule): Schedule
     {
         $assignments = array_map(

backend/tests/Feature/Schedule/ScheduleEndpointTest.php

@@ -221,6 +221,136 @@ class ScheduleEndpointTest extends TestCase
             ]);
     }
 
+    public function test_it_lists_the_users_assignments_for_a_date(): void
+    {
+        $user = $this->createUser('reader@example.com');
+        $otherUser = $this->createUser('other@example.com');
+        $olderSet = $this->createSet($user, 'Older course');
+        $olderLevel = $this->createLevel($olderSet, 'lesson');
+        $olderRepository = app(ElementRepository::class);
+        $olderRepository->create(new CreateElementDto(
+            name: 'First lesson',
+            level: $olderLevel,
+            parentElement: null,
+        ));
+        $olderRepository->create(new CreateElementDto(
+            name: 'Second lesson',
+            level: $olderLevel,
+            parentElement: null,
+        ));
+        $newerSet = $this->createSet($user, 'Newer course');
+        $newerLevel = $this->createLevel($newerSet, 'chapter');
+        app(ElementRepository::class)->create(new CreateElementDto(
+            name: 'Only chapter',
+            level: $newerLevel,
+            parentElement: null,
+        ));
+        $this->createSession($user, 'valid-token');
+        $this->createSession($otherUser, 'other-token');
+
+        $this->credentialedPost('/api/schedules', [
+            'setId' => $olderSet->getId(),
+            'levelId' => $olderLevel->getId(),
+            'startDate' => '2026-08-15',
+            'targetDate' => '2026-08-15',
+        ])->assertCreated();
+        $this->credentialedPost('/api/schedules', [
+            'setId' => $newerSet->getId(),
+            'levelId' => $newerLevel->getId(),
+            'startDate' => '2026-08-15',
+            'targetDate' => '2026-08-15',
+        ])->assertCreated();
+        $this->withCredentials()
+            ->withUnencryptedCookie(
+                AuthMiddleware::COOKIE_NAME,
+                'other-token',
+            )->postJson('/api/schedules', [
+                'setId' => $newerSet->getId(),
+                'levelId' => $newerLevel->getId(),
+                'startDate' => '2026-08-15',
+                'targetDate' => '2026-08-15',
+            ])->assertCreated();
+        $this->credentialedPost('/api/schedules', [
+            'setId' => $olderSet->getId(),
+            'levelId' => $olderLevel->getId(),
+            'startDate' => '2026-08-16',
+            'targetDate' => '2026-08-16',
+        ])->assertCreated();
+
+        $this->credentialedGet('/api/assignments?date=2026-08-15')
+            ->assertOk()
+            ->assertExactJson([
+                'date' => '2026-08-15',
+                'assignments' => [
+                    [
+                        'id' => 3,
+                        'schedule' => [
+                            'id' => 2,
+                            'set' => [
+                                'name' => 'Newer course',
+                            ],
+                        ],
+                        'element' => [
+                            'name' => 'Only chapter',
+                            'kind' => 'chapter',
+                            'path' => ['Only chapter'],
+                        ],
+                    ],
+                    [
+                        'id' => 1,
+                        'schedule' => [
+                            'id' => 1,
+                            'set' => [
+                                'name' => 'Older course',
+                            ],
+                        ],
+                        'element' => [
+                            'name' => 'First lesson',
+                            'kind' => 'lesson',
+                            'path' => ['First lesson'],
+                        ],
+                    ],
+                    [
+                        'id' => 2,
+                        'schedule' => [
+                            'id' => 1,
+                            'set' => [
+                                'name' => 'Older course',
+                            ],
+                        ],
+                        'element' => [
+                            'name' => 'Second lesson',
+                            'kind' => 'lesson',
+                            'path' => ['Second lesson'],
+                        ],
+                    ],
+                ],
+            ]);
+    }
+
+    public function test_it_returns_an_empty_assignment_list_for_a_date(): void
+    {
+        $user = $this->createUser('reader@example.com');
+        $this->createSession($user, 'valid-token');
+
+        $this->credentialedGet('/api/assignments?date=2026-08-15')
+            ->assertOk()
+            ->assertExactJson([
+                'date' => '2026-08-15',
+                'assignments' => [],
+            ]);
+    }
+
+    public function test_it_rejects_invalid_assignment_dates(): void
+    {
+        $user = $this->createUser('reader@example.com');
+        $this->createSession($user, 'valid-token');
+
+        $this->credentialedGet('/api/assignments')
+            ->assertBadRequest()
+            ->assertExactJson(['error' => 'date is required']);
+    }
+
     public function test_it_is_stable_after_sources_change_or_are_deleted(): void
     {
         $user = $this->createUser('reader@example.com');
@@ -323,6 +453,8 @@ class ScheduleEndpointTest extends TestCase
 
     public function test_schedule_endpoints_require_authentication(): void
     {
+        $this->getJson('/api/assignments?date=2026-08-15')
+            ->assertStatus(401);
         $this->getJson('/api/schedules')->assertStatus(401);
         $this->getJson('/api/schedules/1')->assertStatus(401);
         $this->postJson('/api/schedules', [])->assertStatus(401);

backend/tests/Unit/Schedule/UseCases/ListAssignmentsForDateTest.php

@@ -0,0 +1,143 @@
+<?php
+
+namespace Tests\Unit\Schedule\UseCases;
+
+use App\Exceptions\BadRequestException;
+use App\Schedule\CreateScheduleAssignmentDto;
+use App\Schedule\CreateScheduleDto;
+use App\Schedule\ScheduleAssignment;
+use App\Schedule\UseCases\ListAssignmentsForDate\ListAssignmentsForDate;
+use App\Schedule\UseCases\ListAssignmentsForDate\ListAssignmentsForDateRequest;
+use App\Shared\ValueObject\EmailAddress;
+use App\User\User;
+use DateTimeImmutable;
+use DateTimeZone;
+use PHPUnit\Framework\TestCase;
+use Tests\Fakes\FakeScheduleRepository;
+
+class ListAssignmentsForDateTest extends TestCase
+{
+    public function test_it_lists_the_users_assignments_for_the_date(): void
+    {
+        $user = $this->user(1, 'reader@example.com');
+        $otherUser = $this->user(2, 'other@example.com');
+        $repository = new FakeScheduleRepository;
+        $repository->create($this->schedule(
+            user: $user,
+            setName: 'Older plan',
+            date: '2026-08-15',
+            assignmentNames: ['First', 'Second'],
+        ));
+        $repository->create($this->schedule(
+            user: $user,
+            setName: 'Newer plan',
+            date: '2026-08-15',
+            assignmentNames: ['Third'],
+        ));
+        $repository->create($this->schedule(
+            user: $otherUser,
+            setName: 'Private plan',
+            date: '2026-08-15',
+            assignmentNames: ['Hidden'],
+        ));
+        $repository->create($this->schedule(
+            user: $user,
+            setName: 'Tomorrow plan',
+            date: '2026-08-16',
+            assignmentNames: ['Later'],
+        ));
+
+        $assignments = (new ListAssignmentsForDate($repository))->execute(
+            new ListAssignmentsForDateRequest(
+                user: $user,
+                date: '2026-08-15',
+            ),
+        );
+
+        $this->assertSame(
+            ['Newer plan', 'Older plan', 'Older plan'],
+            array_map(function ($assignment): string {
+                return $assignment->getSetName();
+            }, $assignments),
+        );
+        $this->assertSame(
+            ['Third', 'First', 'Second'],
+            array_map(function ($assignment): string {
+                return $assignment->getAssignment()->getName();
+            }, $assignments),
+        );
+        $this->assertSame(2, $assignments[0]->getScheduleId());
+    }
+
+    public function test_it_rejects_a_missing_date(): void
+    {
+        $this->expectException(BadRequestException::class);
+        $this->expectExceptionMessage('date is required');
+
+        (new ListAssignmentsForDate(new FakeScheduleRepository))->execute(
+            new ListAssignmentsForDateRequest(
+                user: $this->user(1, 'reader@example.com'),
+                date: null,
+            ),
+        );
+    }
+
+    public function test_it_rejects_an_invalid_date(): void
+    {
+        $this->expectException(BadRequestException::class);
+        $this->expectExceptionMessage(
+            'date must be a valid date in YYYY-MM-DD format',
+        );
+
+        (new ListAssignmentsForDate(new FakeScheduleRepository))->execute(
+            new ListAssignmentsForDateRequest(
+                user: $this->user(1, 'reader@example.com'),
+                date: '2026-02-30',
+            ),
+        );
+    }
+
+    private function user(int $id, string $email): User
+    {
+        return new User(
+            id: $id,
+            email: new EmailAddress($email),
+            passwordHash: 'hashed-password',
+        );
+    }
+
+    /**
+     * @param list<string> $assignmentNames
+     */
+    private function schedule(
+        User $user,
+        string $setName,
+        string $date,
+        array $assignmentNames,
+    ): CreateScheduleDto {
+        $scheduledDate = new DateTimeImmutable(
+            $date,
+            new DateTimeZone('UTC'),
+        );
+        $assignments = [];
+
+        foreach ($assignmentNames as $index => $name) {
+            $assignments[] = new CreateScheduleAssignmentDto(
+                name: $name,
+                kind: 'lesson',
+                path: [$setName, $name],
+                scheduledDate: $scheduledDate,
+                position: $index + 1,
+            );
+        }
+
+        return new CreateScheduleDto(
+            user: $user,
+            setName: $setName,
+            elementKind: 'lesson',
+            startDate: $scheduledDate,
+            targetDate: $scheduledDate,
+            assignments: $assignments,
+        );
+    }
+}

frontend/website/cypress/e2e/confirm-email.cy.ts

@@ -17,6 +17,12 @@ describe('email confirmation', () => {
       statusCode: 200,
       body: { schedules: [] },
     })
+    cy.intercept('GET', '**/api/assignments?date=*', (request) => {
+      request.reply({
+        statusCode: 200,
+        body: { date: request.query.date, assignments: [] },
+      })
+    })
   })
 
   it('chooses a password, confirms the account, and opens the dashboard', () => {
@@ -39,7 +45,7 @@ describe('email confirmation', () => {
     cy.wait('@confirmEmail')
 
     cy.location('pathname').should('equal', '/dashboard')
-    cy.get('h1').should('have.text', 'Available sets')
+    cy.get('#sets-heading').should('have.text', 'Available sets')
   })
 
   it('validates password length and confirmation before submitting', () => {

frontend/website/cypress/e2e/session-auth.cy.ts

@@ -47,6 +47,12 @@ describe('session authentication', () => {
       statusCode: 200,
       body: { schedules: [] },
     })
+    cy.intercept('GET', '**/api/assignments?date=*', (request) => {
+      request.reply({
+        statusCode: 200,
+        body: { date: request.query.date, assignments: [] },
+      })
+    })
   })
 
   it('restores an authenticated session on a protected route', () => {
@@ -59,7 +65,7 @@ describe('session authentication', () => {
     cy.wait('@me')
 
     cy.location('pathname').should('equal', '/dashboard')
-    cy.get('h1').should('have.text', 'Available sets')
+    cy.get('#sets-heading').should('have.text', 'Available sets')
   })
 
   it('redirects an unauthenticated protected route to login', () => {

frontend/website/cypress/e2e/set-layout.cy.ts

@@ -51,7 +51,7 @@ describe('set element layout', () => {
     interceptAuthenticatedUser()
   })
 
-  it('opens a set from the dashboard and shows its full hierarchy', () => {
+  it('opens a set with a foldable element hierarchy', () => {
     cy.intercept('GET', '**/api/sets', {
       statusCode: 200,
       body: { sets: [{ id: 41, name: 'Bible' }] },
@@ -79,13 +79,35 @@ describe('set element layout', () => {
     cy.get('[data-element-id="1"] > .element-node__card')
       .should('contain.text', 'Genesis')
       .and('contain.text', 'book')
+      .and('have.attr', 'aria-expanded', 'false')
+      .and('have.attr', 'aria-controls', 'element-children-1')
+    cy.get('[data-element-id="2"] > .element-node__card').should(
+      'not.match',
+      'button',
+    )
+    cy.get('[data-element-id="3"]').should('not.exist')
+
+    cy.get('[data-element-id="1"] > button.element-node__card').click()
+    cy.get('[data-element-id="1"] > .element-node__card').should(
+      'have.attr',
+      'aria-expanded',
+      'true',
+    )
     cy.get('[data-element-id="1"] > ol > li').then(($nodes) => {
       expect([...$nodes].map((node) => node.dataset.elementId)).to.deep.equal([
         '3',
         '5',
       ])
     })
-    cy.get('[data-element-id="3"] > ol > li')
+    cy.get('[data-element-id="4"]').should('not.exist')
+
+    cy.get('[data-element-id="3"] > button.element-node__card').click()
+    cy.get('[data-element-id="3"] > .element-node__card').should(
+      'have.attr',
+      'aria-expanded',
+      'true',
+    )
+    cy.get('#element-children-3 > li')
       .should('have.length', 1)
       .and('have.attr', 'data-element-id', '4')
     cy.contains('.element-node__card', 'Chapter 1')
@@ -93,6 +115,15 @@ describe('set element layout', () => {
       .find('.element-node__kind')
       .should('have.text', 'Chapter_sections-v2')
       .and('have.css', 'text-transform', 'none')
+
+    cy.get('[data-element-id="1"] > button.element-node__card').click()
+    cy.get('[data-element-id="3"]').should('not.exist')
+
+    cy.get('[data-element-id="1"] > button.element-node__card').click()
+    cy.get('[data-element-id="4"] > .element-node__card').should(
+      'contain.text',
+      'Chapter 1',
+    )
   })
 
   it('shows loading and empty layout states', () => {
@@ -183,6 +214,8 @@ describe('set element layout', () => {
     cy.wait('@me')
     cy.wait('@layout')
 
+    cy.get('[data-element-id="1"] > button.element-node__card').click()
+    cy.get('[data-element-id="3"] > button.element-node__card').click()
     cy.contains('.element-node__card', 'Chapter 1').should('be.visible')
     cy.document().then((document) => {
       expect(document.documentElement.scrollWidth).to.be.at.most(

frontend/website/cypress/e2e/set-scheduling.cy.ts

@@ -250,6 +250,12 @@ describe('set scheduling', () => {
         },
       })
     }).as('schedules')
+    cy.intercept('GET', '**/api/assignments?date=*', (request) => {
+      request.reply({
+        statusCode: 200,
+        body: { date: request.query.date, assignments: [] },
+      })
+    })
 
     cy.visit('/dashboard')
     cy.wait('@me')

frontend/website/cypress/e2e/sets-dashboard.cy.ts

@@ -17,6 +17,12 @@ describe('sets dashboard', () => {
       statusCode: 200,
       body: { schedules: [] },
     })
+    cy.intercept('GET', '**/api/assignments?date=*', (request) => {
+      request.reply({
+        statusCode: 200,
+        body: { date: request.query.date, assignments: [] },
+      })
+    })
   })
 
   it('shows every available set as a detail link', () => {
@@ -38,7 +44,7 @@ describe('sets dashboard', () => {
     cy.wait('@me')
     cy.wait('@sets')
 
-    cy.get('h1').should('have.text', 'Available sets')
+    cy.get('#sets-heading').should('have.text', 'Available sets')
     cy.get('ul[aria-label="Available sets"] h2').then(($headings) => {
       expect([...$headings].map((heading) => heading.textContent)).to.deep.equal([
         'Bible',

frontend/website/cypress/e2e/today-assignments.cy.ts

@@ -0,0 +1,157 @@
+const authenticatedUser = {
+  id: 7,
+  email: 'user@example.com',
+}
+
+const browserToday = '2026-08-15'
+
+function interceptDashboardRequests(): void {
+  cy.intercept('GET', '**/api/me', {
+    statusCode: 200,
+    body: { user: authenticatedUser },
+  }).as('me')
+  cy.intercept('GET', '**/api/sets', {
+    statusCode: 200,
+    body: { sets: [] },
+  }).as('sets')
+  cy.intercept('GET', '**/api/schedules', {
+    statusCode: 200,
+    body: { schedules: [] },
+  }).as('schedules')
+}
+
+describe("today's assignments", () => {
+  beforeEach(() => {
+    cy.clock(new Date(2026, 7, 15, 0, 30).getTime())
+    interceptDashboardRequests()
+  })
+
+  it('uses the browser date and links every assignment to its schedule', () => {
+    cy.intercept('GET', `**/api/assignments?date=${browserToday}`, (request) => {
+      expect(request.headers.accept).to.equal('application/json')
+      request.reply({
+        statusCode: 200,
+        body: {
+          date: browserToday,
+          assignments: [
+            {
+              id: 12,
+              schedule: {
+                id: 73,
+                set: { name: 'Bible' },
+              },
+              element: {
+                name: 'Chapter 1',
+                kind: 'Chapter_sections-v2',
+                path: ['Genesis', 'Creation', 'Chapter 1'],
+              },
+            },
+            {
+              id: 13,
+              schedule: {
+                id: 81,
+                set: { name: 'Course' },
+              },
+              element: {
+                name: 'Introduction',
+                kind: 'lesson',
+                path: ['Introduction'],
+              },
+            },
+          ],
+        },
+      })
+    }).as('todayAssignments')
+
+    cy.visit('/dashboard')
+    cy.wait('@me')
+    cy.wait('@todayAssignments')
+
+    cy.get('#today-heading').should('have.text', 'Today')
+    cy.get('[data-today-date]').should(
+      'have.attr',
+      'data-today-date',
+      browserToday,
+    )
+    cy.get('ul[aria-label="Today\'s assignments"] > li').should(
+      'have.length',
+      2,
+    )
+    cy.contains('a', 'Genesis / Creation / Chapter 1')
+      .should('contain.text', 'Bible')
+      .and('have.attr', 'href', '/schedules/73')
+    cy.contains('a', 'Introduction')
+      .should('contain.text', 'Course')
+      .and('have.attr', 'href', '/schedules/81')
+    cy.get('.today-assignment__kind')
+      .first()
+      .should('have.text', 'Chapter_sections-v2')
+      .and('have.css', 'text-transform', 'none')
+  })
+
+  it('shows loading and empty states', () => {
+    cy.intercept('GET', `**/api/assignments?date=${browserToday}`, {
+      delay: 2500,
+      statusCode: 200,
+      body: {
+        date: browserToday,
+        assignments: [],
+      },
+    }).as('todayAssignments')
+
+    cy.visit('/dashboard')
+    cy.wait('@me')
+    cy.get('.today-assignments [role="status"]').should(
+      'contain.text',
+      "Loading today's assignments...",
+    )
+    cy.wait('@todayAssignments')
+
+    cy.get('.today-assignments [role="status"]').should(
+      'contain.text',
+      'Nothing is assigned for today.',
+    )
+  })
+
+  it('retries independently after the request fails', () => {
+    let requestCount = 0
+    cy.intercept(
+      'GET',
+      `**/api/assignments?date=${browserToday}`,
+      (request) => {
+        requestCount += 1
+        request.alias = `todayAssignments${requestCount}`
+
+        if (requestCount === 1) {
+          request.reply({ statusCode: 500 })
+          return
+        }
+
+        request.reply({
+          statusCode: 200,
+          body: {
+            date: browserToday,
+            assignments: [],
+          },
+        })
+      },
+    )
+
+    cy.visit('/dashboard')
+    cy.wait('@me')
+    cy.wait('@todayAssignments1')
+
+    cy.get('.today-assignments [role="alert"]')
+      .should('contain.text', "We couldn't load today's assignments.")
+      .within(() => {
+        cy.contains('button', 'Try again').click()
+      })
+    cy.get('#schedules-heading').should('have.text', 'Your schedules')
+    cy.wait('@todayAssignments2')
+
+    cy.get('.today-assignments [role="status"]').should(
+      'contain.text',
+      'Nothing is assigned for today.',
+    )
+  })
+})

frontend/website/src/components/ElementTree.vue

@@ -1,10 +1,23 @@
 <script setup lang="ts">
 import type { SetElementNode } from '@/stores/setLayout'
 
-defineProps<{
+const props = defineProps<{
   nodes: SetElementNode[]
+  expandedElementIds: ReadonlySet<number>
   label?: string
 }>()
+
+defineEmits<{
+  'toggle-element': [elementId: number]
+}>()
+
+function childListId(elementId: number): string {
+  return `element-children-${elementId}`
+}
+
+function isExpanded(elementId: number): boolean {
+  return props.expandedElementIds.has(elementId)
+}
 </script>
 
 <template>
@@ -14,12 +27,39 @@ defineProps<{
     :aria-label="label"
   >
     <li v-for="node in nodes" :key="node.id" class="element-tree__item" :data-element-id="node.id">
-      <div class="element-node__card">
+      <button
+        v-if="node.children.length > 0"
+        type="button"
+        class="element-node__card element-node__card--toggle"
+        :aria-expanded="isExpanded(node.id)"
+        :aria-controls="childListId(node.id)"
+        @click="$emit('toggle-element', node.id)"
+      >
         <span class="element-node__name">{{ node.name }}</span>
-        <span class="element-node__kind">{{ node.kind }}</span>
+        <span class="element-node__metadata">
+          <span class="element-node__kind">{{ node.kind }}</span>
+          <span
+            class="element-node__chevron"
+            :class="{ 'element-node__chevron--expanded': isExpanded(node.id) }"
+            aria-hidden="true"
+          ></span>
+        </span>
+      </button>
+
+      <div v-else class="element-node__card">
+        <span class="element-node__name">{{ node.name }}</span>
+        <span class="element-node__metadata">
+          <span class="element-node__kind">{{ node.kind }}</span>
+        </span>
       </div>
 
-      <ElementTree v-if="node.children.length > 0" :nodes="node.children" />
+      <ElementTree
+        v-if="node.children.length > 0 && isExpanded(node.id)"
+        :id="childListId(node.id)"
+        :nodes="node.children"
+        :expanded-element-ids="expandedElementIds"
+        @toggle-element="$emit('toggle-element', $event)"
+      />
     </li>
   </ol>
 </template>
@@ -69,6 +109,23 @@ defineProps<{
   box-shadow: 0 0.55rem 1.5rem rgb(40 62 52 / 6%);
 }
 
+.element-node__card--toggle {
+  width: 100%;
+  color: inherit;
+  text-align: left;
+  cursor: pointer;
+}
+
+.element-node__card--toggle:hover {
+  border-color: rgb(40 92 78 / 34%);
+  background: #fffdf7;
+}
+
+.element-node__card--toggle:focus-visible {
+  outline: 3px solid rgb(86 127 112 / 34%);
+  outline-offset: 0.2rem;
+}
+
 .element-node__name {
   min-width: 0;
   color: #183029;
@@ -78,6 +135,13 @@ defineProps<{
   overflow-wrap: anywhere;
 }
 
+.element-node__metadata {
+  display: flex;
+  flex: 0 0 auto;
+  align-items: center;
+  gap: 0.8rem;
+}
+
 .element-node__kind {
   flex: 0 0 auto;
   padding: 0.35rem 0.55rem;
@@ -90,6 +154,18 @@ defineProps<{
   text-transform: none;
 }
 
+.element-node__chevron {
+  width: 0.55rem;
+  height: 0.55rem;
+  border-right: 2px solid #5e7067;
+  border-bottom: 2px solid #5e7067;
+  transform: rotate(-45deg);
+}
+
+.element-node__chevron--expanded {
+  transform: rotate(45deg);
+}
+
 @media (max-width: 37.5rem) {
   .element-tree {
     margin-left: 0.45rem;
@@ -106,6 +182,10 @@ defineProps<{
     padding: 0.75rem 0.7rem;
   }
 
+  .element-node__metadata {
+    gap: 0.6rem;
+  }
+
   .element-node__kind {
     padding-inline: 0.42rem;
     font-size: 0.56rem;

frontend/website/src/stores/schedules.ts

@@ -26,6 +26,15 @@ const scheduleAssignmentSchema = z.object({
   }),
 })
 
+export const assignmentForDateSchema = scheduleAssignmentSchema.extend({
+  schedule: z.object({
+    id: z.number().int().positive(),
+    set: z.object({
+      name: z.string().min(1),
+    }),
+  }),
+})
+
 export const scheduleDetailSchema = scheduleSummarySchema.extend({
   days: z.array(
     z.object({
@@ -43,12 +52,18 @@ const scheduleResponseSchema = z.object({
   schedule: scheduleDetailSchema,
 })
 
+const assignmentsForDateResponseSchema = z.object({
+  date: isoDateSchema,
+  assignments: z.array(assignmentForDateSchema),
+})
+
 const errorResponseSchema = z.object({
   error: z.string().min(1),
 })
 
 export type ScheduleSummary = z.infer<typeof scheduleSummarySchema>
 export type ScheduleDetail = z.infer<typeof scheduleDetailSchema>
+export type AssignmentForDate = z.infer<typeof assignmentForDateSchema>
 export type CreateScheduleInput = {
   setId: number
   levelId: number
@@ -59,6 +74,7 @@ export type CreateScheduleInput = {
 const LIST_ERROR = "We couldn't load your schedules."
 const DETAIL_ERROR = "We couldn't load this schedule."
 const CREATE_ERROR = "We couldn't create this schedule."
+const ASSIGNMENTS_ERROR = "We couldn't load today's assignments."
 
 export const useSchedulesStore = defineStore('schedules', () => {
   const schedules = ref<ScheduleSummary[]>([])
@@ -70,7 +86,11 @@ export const useSchedulesStore = defineStore('schedules', () => {
   const detailNotFound = ref(false)
   const creating = ref(false)
   const createError = ref<string | null>(null)
+  const assignmentsForDate = ref<AssignmentForDate[]>([])
+  const assignmentsLoading = ref(false)
+  const assignmentsError = ref<string | null>(null)
   let activeDetailRequestId = 0
+  let assignmentsRequestId = 0
 
   async function fetchSchedules(): Promise<boolean> {
     listLoading.value = true
@@ -202,6 +222,58 @@ export const useSchedulesStore = defineStore('schedules', () => {
     }
   }
 
+  async function fetchAssignmentsForDate(date: string): Promise<boolean> {
+    const requestId = ++assignmentsRequestId
+    assignmentsForDate.value = []
+    assignmentsLoading.value = true
+    assignmentsError.value = null
+
+    try {
+      const query = new URLSearchParams({ date })
+      const response = await fetch(`${API_BASE}/api/assignments?${query.toString()}`, {
+        method: 'GET',
+        credentials: 'include',
+        headers: {
+          Accept: 'application/json',
+        },
+      })
+
+      if (requestId !== assignmentsRequestId) {
+        return false
+      }
+
+      if (response.status !== 200) {
+        assignmentsError.value = ASSIGNMENTS_ERROR
+
+        return false
+      }
+
+      const responseBody: unknown = await response.json()
+      if (requestId !== assignmentsRequestId) {
+        return false
+      }
+
+      const parsedResponse = assignmentsForDateResponseSchema.parse(responseBody)
+      if (parsedResponse.date !== date) {
+        throw new Error('assignment response did not match requested date')
+      }
+      assignmentsForDate.value = parsedResponse.assignments
+
+      return true
+    } catch {
+      if (requestId === assignmentsRequestId) {
+        assignmentsForDate.value = []
+        assignmentsError.value = ASSIGNMENTS_ERROR
+      }
+
+      return false
+    } finally {
+      if (requestId === assignmentsRequestId) {
+        assignmentsLoading.value = false
+      }
+    }
+  }
+
   return {
     schedules,
     listLoading,
@@ -212,8 +284,12 @@ export const useSchedulesStore = defineStore('schedules', () => {
     detailNotFound,
     creating,
     createError,
+    assignmentsForDate,
+    assignmentsLoading,
+    assignmentsError,
     fetchSchedules,
     fetchSchedule,
     createSchedule,
+    fetchAssignmentsForDate,
   }
 })

frontend/website/src/views/DashboardView.vue

@@ -1,6 +1,6 @@
 <script setup lang="ts">
 import { storeToRefs } from 'pinia'
-import { onMounted } from 'vue'
+import { onMounted, ref } from 'vue'
 
 import AuthenticatedHeader from '@/components/AuthenticatedHeader.vue'
 import { useSchedulesStore } from '@/stores/schedules'
@@ -10,11 +10,25 @@ const setsStore = useSetsStore()
 const schedulesStore = useSchedulesStore()
 const { sets, loading, error } = storeToRefs(setsStore)
 const { schedules, listLoading, listError } = storeToRefs(schedulesStore)
+const { assignmentsForDate, assignmentsLoading, assignmentsError } = storeToRefs(schedulesStore)
+const todayDate = ref(browserDate(new Date()))
 
 onMounted(async () => {
-  await Promise.all([setsStore.fetchSets(), schedulesStore.fetchSchedules()])
+  await Promise.all([
+    setsStore.fetchSets(),
+    schedulesStore.fetchSchedules(),
+    schedulesStore.fetchAssignmentsForDate(todayDate.value),
+  ])
 })
 
+function browserDate(date: Date): string {
+  const year = String(date.getFullYear()).padStart(4, '0')
+  const month = String(date.getMonth() + 1).padStart(2, '0')
+  const day = String(date.getDate()).padStart(2, '0')
+
+  return `${year}-${month}-${day}`
+}
+
 function formatDate(value: string): string {
   return new Intl.DateTimeFormat('en', {
     dateStyle: 'medium',
@@ -27,6 +41,67 @@ function formatDate(value: string): string {
   <main class="dashboard-page">
     <AuthenticatedHeader />
 
+    <section class="today-assignments" aria-labelledby="today-heading">
+      <header class="today-assignments__introduction">
+        <div>
+          <p class="sets-catalog__eyebrow">Today's work</p>
+          <h1 id="today-heading">Today</h1>
+        </div>
+        <time :datetime="todayDate" :data-today-date="todayDate">
+          {{ formatDate(todayDate) }}
+        </time>
+      </header>
+
+      <p v-if="assignmentsLoading" class="today-state" role="status">
+        Loading today's assignments...
+      </p>
+
+      <div
+        v-else-if="assignmentsError !== null"
+        class="today-state today-state--error"
+        role="alert"
+      >
+        <p>{{ assignmentsError }}</p>
+        <button
+          type="button"
+          class="retry-button"
+          @click="schedulesStore.fetchAssignmentsForDate(todayDate)"
+        >
+          Try again
+        </button>
+      </div>
+
+      <p v-else-if="assignmentsForDate.length === 0" class="today-state" role="status">
+        Nothing is assigned for today.
+      </p>
+
+      <ul v-else class="today-assignment-list" aria-label="Today's assignments">
+        <li v-for="assignment in assignmentsForDate" :key="assignment.id">
+          <RouterLink
+            class="today-assignment-link"
+            :to="{
+              name: 'schedule-detail',
+              params: { scheduleId: assignment.schedule.id },
+            }"
+          >
+            <article class="today-assignment">
+              <div class="today-assignment__heading">
+                <p>{{ assignment.schedule.set.name }}</p>
+                <span class="today-assignment__kind">{{ assignment.element.kind }}</span>
+              </div>
+              <p class="today-assignment__path">
+                {{ assignment.element.path.join(' / ') }}
+              </p>
+              <span class="today-assignment__action">
+                Open schedule
+                <span aria-hidden="true">→</span>
+              </span>
+            </article>
+          </RouterLink>
+        </li>
+      </ul>
+    </section>
+
     <section class="schedules-catalog" aria-labelledby="schedules-heading">
       <div class="schedules-catalog__heading">
         <div>
@@ -83,7 +158,7 @@ function formatDate(value: string): string {
     <section class="sets-catalog" aria-labelledby="sets-heading">
       <div class="sets-catalog__introduction">
         <p class="sets-catalog__eyebrow">Your library</p>
-        <h1 id="sets-heading">Available sets</h1>
+        <h2 id="sets-heading">Available sets</h2>
         <p class="sets-catalog__description">
           Browse every set available in Attainly and find the collection that fits your next goal.
         </p>
@@ -135,11 +210,29 @@ function formatDate(value: string): string {
   margin: clamp(4.5rem, 10vh, 7rem) auto 0;
 }
 
-.schedules-catalog {
+.today-assignments {
   width: min(100%, 72rem);
   margin: clamp(4.5rem, 10vh, 7rem) auto 0;
 }
 
+.today-assignments__introduction {
+  display: flex;
+  align-items: end;
+  justify-content: space-between;
+  gap: 2rem;
+}
+
+.today-assignments__introduction time {
+  color: #68776f;
+  font-size: 0.82rem;
+  font-weight: 700;
+}
+
+.schedules-catalog {
+  width: min(100%, 72rem);
+  margin: clamp(3.5rem, 8vh, 5.5rem) auto 0;
+}
+
 .schedules-catalog__heading {
   display: flex;
   align-items: end;
@@ -176,7 +269,8 @@ function formatDate(value: string): string {
   text-transform: uppercase;
 }
 
-h1 {
+.today-assignments h1,
+.sets-catalog__introduction h2 {
   margin: 0;
   font-family: Georgia, 'Times New Roman', serif;
   font-size: clamp(3rem, 7vw, 5.25rem);
@@ -185,6 +279,104 @@ h1 {
   letter-spacing: -0.055em;
 }
 
+.today-state {
+  width: 100%;
+  min-height: 7rem;
+  display: grid;
+  place-items: center;
+  margin: 2rem 0 0;
+  padding: 1.5rem;
+  border: 1px solid rgb(24 48 41 / 12%);
+  border-radius: 1rem;
+  color: #68776f;
+  background: rgb(255 253 247 / 72%);
+  text-align: center;
+}
+
+.today-state--error {
+  align-content: center;
+  gap: 1rem;
+}
+
+.today-state--error p {
+  margin: 0;
+}
+
+.today-assignment-list {
+  display: grid;
+  grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr));
+  gap: 1rem;
+  margin: 2rem 0 0;
+  padding: 0;
+  list-style: none;
+}
+
+.today-assignment-link {
+  display: block;
+  height: 100%;
+  border-radius: 1rem;
+  text-decoration: none;
+}
+
+.today-assignment {
+  height: 100%;
+  padding: 1.4rem;
+  border: 1px solid rgb(24 48 41 / 12%);
+  border-radius: 1rem;
+  background: linear-gradient(135deg, rgb(255 253 247 / 98%), rgb(244 238 225 / 86%));
+  box-shadow: 0 0.75rem 2rem rgb(40 62 52 / 7%);
+  transition:
+    border-color 160ms ease,
+    transform 160ms ease;
+}
+
+.today-assignment-link:hover .today-assignment {
+  border-color: rgb(40 92 78 / 35%);
+  transform: translateY(-2px);
+}
+
+.today-assignment-link:focus-visible {
+  outline: 3px solid rgb(86 127 112 / 38%);
+  outline-offset: 0.25rem;
+}
+
+.today-assignment__heading {
+  display: flex;
+  justify-content: space-between;
+  gap: 1rem;
+  color: #926044;
+  font-size: 0.7rem;
+  font-weight: 800;
+  letter-spacing: 0.08em;
+  text-transform: uppercase;
+}
+
+.today-assignment__heading p {
+  margin: 0;
+}
+
+.today-assignment__kind {
+  text-transform: none;
+}
+
+.today-assignment__path {
+  margin: 1.75rem 0 0;
+  color: #183029;
+  font-family: Georgia, 'Times New Roman', serif;
+  font-size: 1.45rem;
+  line-height: 1.2;
+}
+
+.today-assignment__action {
+  display: inline-flex;
+  align-items: center;
+  gap: 0.35rem;
+  margin-top: 1.25rem;
+  color: #567064;
+  font-size: 0.76rem;
+  font-weight: 750;
+}
+
 .sets-catalog__description {
   max-width: 38rem;
   margin: 1.5rem 0 0;
@@ -393,6 +585,15 @@ h1 {
     margin-top: 3.75rem;
   }
 
+  .today-assignments {
+    margin-top: 3.75rem;
+  }
+
+  .today-assignments__introduction {
+    display: grid;
+    gap: 1rem;
+  }
+
   .schedules-catalog {
     margin-top: 3.75rem;
   }

frontend/website/src/views/SetLayoutView.vue

@@ -11,6 +11,7 @@ const route = useRoute()
 const setLayoutStore = useSetLayoutStore()
 const { layout, loading, error, notFound } = storeToRefs(setLayoutStore)
 const currentSetId = ref<number | null>(null)
+const expandedElementIds = ref(new Set<number>())
 const EMPTY_MESSAGE = 'This set does not have any elements yet.'
 
 watch(
@@ -19,6 +20,7 @@ watch(
     const rawSetId = Array.isArray(setIdParameter) ? setIdParameter[0] : setIdParameter
     const setId = Number(rawSetId)
     currentSetId.value = setId
+    expandedElementIds.value = new Set<number>()
     await setLayoutStore.fetchSetLayout(setId)
   },
   { immediate: true },
@@ -29,8 +31,21 @@ async function retry(): Promise<void> {
     return
   }
 
+  expandedElementIds.value = new Set<number>()
   await setLayoutStore.fetchSetLayout(currentSetId.value)
 }
+
+function toggleElement(elementId: number): void {
+  const nextExpandedElementIds = new Set(expandedElementIds.value)
+
+  if (nextExpandedElementIds.has(elementId)) {
+    nextExpandedElementIds.delete(elementId)
+  } else {
+    nextExpandedElementIds.add(elementId)
+  }
+
+  expandedElementIds.value = nextExpandedElementIds
+}
 </script>
 
 <template>
@@ -81,7 +96,12 @@ async function retry(): Promise<void> {
         ></p>
 
         <div v-else class="layout-outline">
-          <ElementTree :nodes="layout.elements" :label="`${layout.set.name} element layout`" />
+          <ElementTree
+            :nodes="layout.elements"
+            :expanded-element-ids="expandedElementIds"
+            :label="`${layout.set.name} element layout`"
+            @toggle-element="toggleElement"
+          />
         </div>
       </template>
     </section>