feat: Created task lists that work in categories

backend/cmd/server/main.go

@@ -135,6 +135,7 @@ func main() {
 		db.MembershipRepo,
 		db.NoteRepo,
 		db.CategoryRepo,
+		db.TaskListRepo,
 		db.UserRepo,
 		permissionService,
 	)
@@ -151,6 +152,7 @@ func main() {
 
 	categoryService := services.NewCategoryService(
 		db.CategoryRepo,
+		db.TaskListRepo,
 		db.MembershipRepo,
 		db.NoteRepo,
 		permissionService,
@@ -158,6 +160,7 @@ func main() {
 
 	taskService := services.NewTaskService(
 		db.TaskRepo,
+		db.TaskListRepo,
 		db.TaskStatusRepo,
 		db.NoteRepo,
 		db.CategoryRepo,
@@ -269,6 +272,11 @@ func main() {
 	api.HandleFunc("/spaces/{spaceId}/categories/{categoryId}/move", categoryHandler.MoveCategory).Methods("PATCH")
 
 	// Task endpoints
+	api.HandleFunc("/spaces/{spaceId}/task-lists", taskHandler.ListTaskLists).Methods("GET")
+	api.HandleFunc("/spaces/{spaceId}/task-lists", taskHandler.CreateTaskList).Methods("POST")
+	api.HandleFunc("/spaces/{spaceId}/task-lists/{taskListId}", taskHandler.UpdateTaskList).Methods("PUT")
+	api.HandleFunc("/spaces/{spaceId}/task-lists/{taskListId}", taskHandler.DeleteTaskList).Methods("DELETE")
+
 	api.HandleFunc("/spaces/{spaceId}/tasks", taskHandler.ListTasks).Methods("GET")
 	api.HandleFunc("/spaces/{spaceId}/tasks", taskHandler.CreateTask).Methods("POST")
 	api.HandleFunc("/spaces/{spaceId}/tasks/search", taskHandler.SearchTasks).Methods("GET")

backend/internal/application/dto/dto.go

@@ -430,6 +430,7 @@ type CategoryTreeDTO struct {
 	*CategoryDTO
 	Subcategories []*CategoryTreeDTO `json:"subcategories"`
 	Notes         []*NoteListItemDTO `json:"notes"`
+	TaskLists     []*TaskListDTO     `json:"task_lists"`
 }
 
 // NewCategoryDTO creates a DTO from a category entity
@@ -458,7 +459,7 @@ func NewCategoryDTO(category *entities.Category) *CategoryDTO {
 type CreateTaskRequest struct {
 	Title        string   `json:"title" validate:"required,min=1,max=255"`
 	Description  string   `json:"description" validate:"max=2000"`
-	CategoryID   *string  `json:"category_id,omitempty"`
+	TaskListID   string   `json:"task_list_id" validate:"required"`
 	StatusID     string   `json:"status_id" validate:"required"`
 	ParentTaskID *string  `json:"parent_task_id,omitempty"`
 	NoteLinks    []string `json:"note_links"`
@@ -468,7 +469,7 @@ type CreateTaskRequest struct {
 type UpdateTaskRequest struct {
 	Title        *string  `json:"title,omitempty"`
 	Description  *string  `json:"description,omitempty"`
-	CategoryID   *string  `json:"category_id,omitempty"`
+	TaskListID   *string  `json:"task_list_id,omitempty"`
 	StatusID     *string  `json:"status_id,omitempty"`
 	ParentTaskID *string  `json:"parent_task_id,omitempty"`
 	NoteLinks    []string `json:"note_links,omitempty"`
@@ -490,7 +491,7 @@ type TaskDTO struct {
 	SpaceID      string   `json:"space_id"`
 	Title        string   `json:"title"`
 	Description  string   `json:"description"`
-	CategoryID   *string  `json:"category_id,omitempty"`
+	TaskListID   string   `json:"task_list_id"`
 	StatusID     string   `json:"status_id"`
 	ParentTaskID *string  `json:"parent_task_id,omitempty"`
 	Depth        int      `json:"depth"`
@@ -538,14 +539,35 @@ type TaskStatusDTO struct {
 	UpdatedAt string `json:"updated_at"`
 }
 
+// CreateTaskListRequest represents task list creation input.
+type CreateTaskListRequest struct {
+	Name        string  `json:"name" validate:"required,min=1,max=120"`
+	Description string  `json:"description" validate:"max=500"`
+	CategoryID  *string `json:"category_id,omitempty"`
+}
+
+// UpdateTaskListRequest represents task list update input.
+type UpdateTaskListRequest struct {
+	Name        *string `json:"name,omitempty"`
+	Description *string `json:"description,omitempty"`
+	CategoryID  *string `json:"category_id,omitempty"`
+}
+
+// TaskListDTO represents a task list in API responses.
+type TaskListDTO struct {
+	ID          string  `json:"id"`
+	SpaceID     string  `json:"space_id"`
+	CategoryID  *string `json:"category_id,omitempty"`
+	Name        string  `json:"name"`
+	Description string  `json:"description"`
+	CreatedBy   string  `json:"created_by"`
+	UpdatedBy   string  `json:"updated_by"`
+	CreatedAt   string  `json:"created_at"`
+	UpdatedAt   string  `json:"updated_at"`
+}
+
 // NewTaskDTO creates a DTO from a task entity.
 func NewTaskDTO(task *entities.Task) *TaskDTO {
-	var categoryID *string
-	if task.CategoryID != nil {
-		id := task.CategoryID.Hex()
-		categoryID = &id
-	}
-
 	var parentTaskID *string
 	if task.ParentTaskID != nil {
 		id := task.ParentTaskID.Hex()
@@ -562,7 +584,7 @@ func NewTaskDTO(task *entities.Task) *TaskDTO {
 		SpaceID:      task.SpaceID.Hex(),
 		Title:        task.Title,
 		Description:  task.Description,
-		CategoryID:   categoryID,
+		TaskListID:   task.TaskListID.Hex(),
 		StatusID:     task.StatusID.Hex(),
 		ParentTaskID: parentTaskID,
 		Depth:        task.Depth,
@@ -574,6 +596,27 @@ func NewTaskDTO(task *entities.Task) *TaskDTO {
 	}
 }
 
+// NewTaskListDTO creates a DTO from a task list entity.
+func NewTaskListDTO(taskList *entities.TaskList) *TaskListDTO {
+	var categoryID *string
+	if taskList.CategoryID != nil {
+		id := taskList.CategoryID.Hex()
+		categoryID = &id
+	}
+
+	return &TaskListDTO{
+		ID:          taskList.ID.Hex(),
+		SpaceID:     taskList.SpaceID.Hex(),
+		CategoryID:  categoryID,
+		Name:        taskList.Name,
+		Description: taskList.Description,
+		CreatedBy:   taskList.CreatedBy.Hex(),
+		UpdatedBy:   taskList.UpdatedBy.Hex(),
+		CreatedAt:   taskList.CreatedAt.Format("2006-01-02T15:04:05Z"),
+		UpdatedAt:   taskList.UpdatedAt.Format("2006-01-02T15:04:05Z"),
+	}
+}
+
 // NewTaskStatusDTO creates a DTO from a task status entity.
 func NewTaskStatusDTO(status *entities.TaskStatus) *TaskStatusDTO {
 	return &TaskStatusDTO{

backend/internal/application/services/category_service.go

@@ -15,6 +15,7 @@ import (
 // CategoryService handles category operations
 type CategoryService struct {
 	categoryRepo      repositories.CategoryRepository
+	taskListRepo      repositories.TaskListRepository
 	membershipRepo    repositories.MembershipRepository
 	noteRepo          repositories.NoteRepository
 	permissionService *PermissionService
@@ -23,12 +24,14 @@ type CategoryService struct {
 // NewCategoryService creates a new category service
 func NewCategoryService(
 	categoryRepo repositories.CategoryRepository,
+	taskListRepo repositories.TaskListRepository,
 	membershipRepo repositories.MembershipRepository,
 	noteRepo repositories.NoteRepository,
 	permissionService *PermissionService,
 ) *CategoryService {
 	return &CategoryService{
 		categoryRepo:      categoryRepo,
+		taskListRepo:      taskListRepo,
 		membershipRepo:    membershipRepo,
 		noteRepo:          noteRepo,
 		permissionService: permissionService,
@@ -134,6 +137,14 @@ func (s *CategoryService) buildCategoryTree(ctx context.Context, category *entit
 		}
 	}
 
+	// Get task lists in this category
+	taskLists, err := s.taskListRepo.ListTaskListsByCategory(ctx, spaceID, category.ID)
+	if err == nil {
+		for _, taskList := range taskLists {
+			tree.TaskLists = append(tree.TaskLists, dto.NewTaskListDTO(taskList))
+		}
+	}
+
 	return tree, nil
 }
 

backend/internal/application/services/space_service.go

@@ -17,6 +17,7 @@ type SpaceService struct {
 	membershipRepo    repositories.MembershipRepository
 	noteRepo          repositories.NoteRepository
 	categoryRepo      repositories.CategoryRepository
+	taskListRepo      repositories.TaskListRepository
 	userRepo          repositories.UserRepository
 	permissionService *PermissionService
 }
@@ -27,6 +28,7 @@ func NewSpaceService(
 	membershipRepo repositories.MembershipRepository,
 	noteRepo repositories.NoteRepository,
 	categoryRepo repositories.CategoryRepository,
+	taskListRepo repositories.TaskListRepository,
 	userRepo repositories.UserRepository,
 	permissionService *PermissionService,
 ) *SpaceService {
@@ -35,6 +37,7 @@ func NewSpaceService(
 		membershipRepo:    membershipRepo,
 		noteRepo:          noteRepo,
 		categoryRepo:      categoryRepo,
+		taskListRepo:      taskListRepo,
 		userRepo:          userRepo,
 		permissionService: permissionService,
 	}
@@ -180,6 +183,9 @@ func (s *SpaceService) DeleteSpace(ctx context.Context, spaceID, userID bson.Obj
 	if err := s.categoryRepo.DeleteCategoriesBySpaceID(ctx, spaceID); err != nil {
 		return err
 	}
+	if err := s.taskListRepo.DeleteTaskListsBySpaceID(ctx, spaceID); err != nil {
+		return err
+	}
 	if err := s.membershipRepo.DeleteMembershipsBySpaceID(ctx, spaceID); err != nil {
 		return err
 	}

backend/internal/application/services/task_service.go

@@ -17,6 +17,7 @@ import (
 // TaskService handles task and task status operations.
 type TaskService struct {
 	taskRepo          repositories.TaskRepository
+	taskListRepo      repositories.TaskListRepository
 	taskStatusRepo    repositories.TaskStatusRepository
 	noteRepo          repositories.NoteRepository
 	categoryRepo      repositories.CategoryRepository
@@ -27,6 +28,7 @@ type TaskService struct {
 // NewTaskService creates a task service.
 func NewTaskService(
 	taskRepo repositories.TaskRepository,
+	taskListRepo repositories.TaskListRepository,
 	taskStatusRepo repositories.TaskStatusRepository,
 	noteRepo repositories.NoteRepository,
 	categoryRepo repositories.CategoryRepository,
@@ -35,6 +37,7 @@ func NewTaskService(
 ) *TaskService {
 	return &TaskService{
 		taskRepo:          taskRepo,
+		taskListRepo:      taskListRepo,
 		taskStatusRepo:    taskStatusRepo,
 		noteRepo:          noteRepo,
 		categoryRepo:      categoryRepo,
@@ -121,13 +124,10 @@ func toObjectIDs(hexIDs []string) ([]bson.ObjectID, error) {
 	return result, nil
 }
 
-func (s *TaskService) validateCategory(ctx context.Context, spaceID bson.ObjectID, categoryID *bson.ObjectID) error {
+func (s *TaskService) validateTaskList(ctx context.Context, spaceID, taskListID bson.ObjectID) error {
-	if categoryID == nil {
+	taskList, err := s.taskListRepo.GetTaskListByID(ctx, taskListID)
-		return nil
+	if err != nil || taskList.SpaceID != spaceID {
-	}
+		return errors.New("invalid task list")
-	category, err := s.categoryRepo.GetCategoryByID(ctx, *categoryID)
-	if err != nil || category.SpaceID != spaceID {
-		return errors.New("invalid category")
 	}
 	return nil
 }
@@ -209,14 +209,6 @@ func (s *TaskService) CreateTask(ctx context.Context, spaceID, userID bson.Objec
 		return nil, err
 	}
 
-	categoryID, err := toObjectIDPtr(req.CategoryID)
-	if err != nil {
-		return nil, errors.New("invalid category")
-	}
-	if err := s.validateCategory(ctx, spaceID, categoryID); err != nil {
-		return nil, err
-	}
-
 	parentTaskID, err := toObjectIDPtr(req.ParentTaskID)
 	if err != nil {
 		return nil, errors.New("invalid parent task")
@@ -226,6 +218,14 @@ func (s *TaskService) CreateTask(ctx context.Context, spaceID, userID bson.Objec
 		return nil, err
 	}
 
+	taskListID, err := bson.ObjectIDFromHex(strings.TrimSpace(req.TaskListID))
+	if err != nil {
+		return nil, errors.New("invalid task list")
+	}
+	if err := s.validateTaskList(ctx, spaceID, taskListID); err != nil {
+		return nil, err
+	}
+
 	noteLinks, err := toObjectIDs(req.NoteLinks)
 	if err != nil {
 		return nil, err
@@ -258,11 +258,19 @@ func (s *TaskService) CreateTask(ctx context.Context, spaceID, userID bson.Objec
 		statusID = parsedStatusID
 	}
 
+	if parentTaskID != nil {
+		parent, parentErr := s.taskRepo.GetTaskByID(ctx, *parentTaskID)
+		if parentErr != nil || parent.SpaceID != spaceID {
+			return nil, errors.New("invalid parent task")
+		}
+		taskListID = parent.TaskListID
+	}
+
 	task := &entities.Task{
 		SpaceID:      spaceID,
 		Title:        strings.TrimSpace(req.Title),
 		Description:  strings.TrimSpace(req.Description),
-		CategoryID:   categoryID,
+		TaskListID:   taskListID,
 		StatusID:     statusID,
 		ParentTaskID: parentTaskID,
 		Depth:        depth,
@@ -318,7 +326,7 @@ func (s *TaskService) GetTaskByID(ctx context.Context, spaceID, taskID, userID b
 func (s *TaskService) ListTasks(
 	ctx context.Context,
 	spaceID, userID bson.ObjectID,
-	categoryID, statusID, parentTaskID *string,
+	taskListID, statusID, parentTaskID *string,
 ) ([]*dto.TaskDTO, error) {
 	if err := s.requireSpaceAccess(ctx, userID, spaceID); err != nil {
 		return nil, err
@@ -328,12 +336,12 @@ func (s *TaskService) ListTasks(
 	}
 
 	filters := map[string]any{}
-	if categoryID != nil && strings.TrimSpace(*categoryID) != "" {
+	if taskListID != nil && strings.TrimSpace(*taskListID) != "" {
-		id, err := bson.ObjectIDFromHex(*categoryID)
+		id, err := bson.ObjectIDFromHex(*taskListID)
 		if err != nil {
-			return nil, errors.New("invalid category filter")
+			return nil, errors.New("invalid task list filter")
 		}
-		filters["category_id"] = id
+		filters["task_list_id"] = id
 	}
 	if statusID != nil && strings.TrimSpace(*statusID) != "" {
 		id, err := bson.ObjectIDFromHex(*statusID)
@@ -453,19 +461,21 @@ func (s *TaskService) UpdateTask(ctx context.Context, spaceID, taskID, userID bs
 		task.Description = strings.TrimSpace(*req.Description)
 	}
 
-	if req.CategoryID != nil {
+	if req.TaskListID != nil {
-		if strings.TrimSpace(*req.CategoryID) == "" {
+		if strings.TrimSpace(*req.TaskListID) == "" {
-			task.CategoryID = nil
+			return nil, errors.New("task list is required")
-		} else {
+		}
-			categoryID, parseErr := bson.ObjectIDFromHex(*req.CategoryID)
+		taskListID, parseErr := bson.ObjectIDFromHex(*req.TaskListID)
 		if parseErr != nil {
-				return nil, errors.New("invalid category")
+			return nil, errors.New("invalid task list")
 		}
-			task.CategoryID = &categoryID
+		if task.ParentTaskID != nil {
+			return nil, errors.New("subtasks inherit task list from parent")
 		}
-		if err := s.validateCategory(ctx, spaceID, task.CategoryID); err != nil {
+		if err := s.validateTaskList(ctx, spaceID, taskListID); err != nil {
 			return nil, err
 		}
+		task.TaskListID = taskListID
 	}
 
 	if req.ParentTaskID != nil {
@@ -486,6 +496,11 @@ func (s *TaskService) UpdateTask(ctx context.Context, spaceID, taskID, userID bs
 			}
 			task.ParentTaskID = &parentID
 			task.Depth = depth
+			parentTask, parentErr := s.taskRepo.GetTaskByID(ctx, parentID)
+			if parentErr != nil || parentTask.SpaceID != spaceID {
+				return nil, errors.New("invalid parent task")
+			}
+			task.TaskListID = parentTask.TaskListID
 		}
 	}
 
@@ -670,6 +685,144 @@ func (s *TaskService) UnlinkNoteFromTask(ctx context.Context, spaceID, taskID, n
 	return dto.NewTaskDTO(task), nil
 }
 
+func (s *TaskService) ListTaskLists(ctx context.Context, spaceID, userID bson.ObjectID) ([]*dto.TaskListDTO, error) {
+	if err := s.requireSpaceAccess(ctx, userID, spaceID); err != nil {
+		return nil, err
+	}
+	lists, err := s.taskListRepo.ListTaskLists(ctx, spaceID)
+	if err != nil {
+		return nil, err
+	}
+	result := make([]*dto.TaskListDTO, 0, len(lists))
+	for _, list := range lists {
+		result = append(result, dto.NewTaskListDTO(list))
+	}
+	return result, nil
+}
+
+func (s *TaskService) CreateTaskList(ctx context.Context, spaceID, userID bson.ObjectID, req *dto.CreateTaskListRequest) (*dto.TaskListDTO, error) {
+	if err := s.requireSpaceAccess(ctx, userID, spaceID); err != nil {
+		return nil, err
+	}
+	hasPermission, err := s.hasTaskPermission(ctx, userID, spaceID, "tasks.create")
+	if err != nil {
+		return nil, err
+	}
+	if !hasPermission {
+		return nil, errors.New("insufficient permissions")
+	}
+
+	name := strings.TrimSpace(req.Name)
+	if name == "" {
+		return nil, errors.New("task list name is required")
+	}
+
+	var categoryID *bson.ObjectID
+	if req.CategoryID != nil && strings.TrimSpace(*req.CategoryID) != "" {
+		id, parseErr := bson.ObjectIDFromHex(*req.CategoryID)
+		if parseErr != nil {
+			return nil, errors.New("invalid category")
+		}
+		category, categoryErr := s.categoryRepo.GetCategoryByID(ctx, id)
+		if categoryErr != nil || category.SpaceID != spaceID {
+			return nil, errors.New("invalid category")
+		}
+		categoryID = &id
+	}
+
+	list := &entities.TaskList{
+		SpaceID:     spaceID,
+		CategoryID:  categoryID,
+		Name:        name,
+		Description: strings.TrimSpace(req.Description),
+		CreatedBy:   userID,
+		UpdatedBy:   userID,
+	}
+
+	if err := s.taskListRepo.CreateTaskList(ctx, list); err != nil {
+		return nil, err
+	}
+	return dto.NewTaskListDTO(list), nil
+}
+
+func (s *TaskService) UpdateTaskList(ctx context.Context, spaceID, taskListID, userID bson.ObjectID, req *dto.UpdateTaskListRequest) (*dto.TaskListDTO, error) {
+	if err := s.requireSpaceAccess(ctx, userID, spaceID); err != nil {
+		return nil, err
+	}
+	hasPermission, err := s.hasTaskPermission(ctx, userID, spaceID, "tasks.edit")
+	if err != nil {
+		return nil, err
+	}
+	if !hasPermission {
+		return nil, errors.New("insufficient permissions")
+	}
+
+	list, err := s.taskListRepo.GetTaskListByID(ctx, taskListID)
+	if err != nil || list.SpaceID != spaceID {
+		return nil, errors.New("task list not found")
+	}
+
+	if req.Name != nil {
+		name := strings.TrimSpace(*req.Name)
+		if name == "" {
+			return nil, errors.New("task list name is required")
+		}
+		list.Name = name
+	}
+	if req.Description != nil {
+		list.Description = strings.TrimSpace(*req.Description)
+	}
+	if req.CategoryID != nil {
+		if strings.TrimSpace(*req.CategoryID) == "" {
+			list.CategoryID = nil
+		} else {
+			categoryID, parseErr := bson.ObjectIDFromHex(*req.CategoryID)
+			if parseErr != nil {
+				return nil, errors.New("invalid category")
+			}
+			category, categoryErr := s.categoryRepo.GetCategoryByID(ctx, categoryID)
+			if categoryErr != nil || category.SpaceID != spaceID {
+				return nil, errors.New("invalid category")
+			}
+			list.CategoryID = &categoryID
+		}
+	}
+
+	list.UpdatedBy = userID
+	if err := s.taskListRepo.UpdateTaskList(ctx, list); err != nil {
+		return nil, err
+	}
+	return dto.NewTaskListDTO(list), nil
+}
+
+func (s *TaskService) DeleteTaskList(ctx context.Context, spaceID, taskListID, userID bson.ObjectID) error {
+	if err := s.requireSpaceAccess(ctx, userID, spaceID); err != nil {
+		return err
+	}
+	hasPermission, err := s.hasTaskPermission(ctx, userID, spaceID, "tasks.delete")
+	if err != nil {
+		return err
+	}
+	if !hasPermission {
+		return errors.New("insufficient permissions")
+	}
+
+	list, err := s.taskListRepo.GetTaskListByID(ctx, taskListID)
+	if err != nil || list.SpaceID != spaceID {
+		return errors.New("task list not found")
+	}
+
+	tasks, err := s.taskRepo.ListTasks(ctx, spaceID, map[string]any{"task_list_id": taskListID})
+	if err != nil {
+		return err
+	}
+	if len(tasks) > 0 {
+		return errors.New("cannot delete task list with tasks")
+	}
+
+	return s.taskListRepo.DeleteTaskList(ctx, taskListID)
+}
+
 func (s *TaskService) ListStatuses(ctx context.Context, spaceID, userID bson.ObjectID) ([]*dto.TaskStatusDTO, error) {
 	if err := s.requireSpaceAccess(ctx, userID, spaceID); err != nil {
 		return nil, err

backend/internal/domain/entities/task.go

@@ -14,7 +14,7 @@ type Task struct {
 	SpaceID      bson.ObjectID   `bson:"space_id"`
 	Title        string          `bson:"title"`
 	Description  string          `bson:"description"`
-	CategoryID   *bson.ObjectID  `bson:"category_id,omitempty"`
+	TaskListID   bson.ObjectID   `bson:"task_list_id"`
 	StatusID     bson.ObjectID   `bson:"status_id"`
 	ParentTaskID *bson.ObjectID  `bson:"parent_task_id,omitempty"`
 	Depth        int             `bson:"depth"`
@@ -35,3 +35,16 @@ type TaskStatus struct {
 	CreatedAt time.Time     `bson:"created_at"`
 	UpdatedAt time.Time     `bson:"updated_at"`
 }
+
+// TaskList groups tasks under a named list that can be attached to a category.
+type TaskList struct {
+	ID          bson.ObjectID  `bson:"_id,omitempty"`
+	SpaceID     bson.ObjectID  `bson:"space_id"`
+	CategoryID  *bson.ObjectID `bson:"category_id,omitempty"`
+	Name        string         `bson:"name"`
+	Description string         `bson:"description,omitempty"`
+	CreatedBy   bson.ObjectID  `bson:"created_by"`
+	UpdatedBy   bson.ObjectID  `bson:"updated_by"`
+	CreatedAt   time.Time      `bson:"created_at"`
+	UpdatedAt   time.Time      `bson:"updated_at"`
+}

backend/internal/domain/repositories/interfaces.go

@@ -229,6 +229,17 @@ type TaskRepository interface {
 	CountChildren(ctx context.Context, parentTaskID bson.ObjectID) (int64, error)
 }
 
+// TaskListRepository defines task list operations.
+type TaskListRepository interface {
+	CreateTaskList(ctx context.Context, list *entities.TaskList) error
+	GetTaskListByID(ctx context.Context, id bson.ObjectID) (*entities.TaskList, error)
+	ListTaskLists(ctx context.Context, spaceID bson.ObjectID) ([]*entities.TaskList, error)
+	ListTaskListsByCategory(ctx context.Context, spaceID bson.ObjectID, categoryID bson.ObjectID) ([]*entities.TaskList, error)
+	UpdateTaskList(ctx context.Context, list *entities.TaskList) error
+	DeleteTaskList(ctx context.Context, id bson.ObjectID) error
+	DeleteTaskListsBySpaceID(ctx context.Context, spaceID bson.ObjectID) error
+}
+
 // TaskStatusRepository defines task status operations
 type TaskStatusRepository interface {
 	CreateStatus(ctx context.Context, status *entities.TaskStatus) error

backend/internal/infrastructure/database/database.go

@@ -16,6 +16,7 @@ type Database struct {
 	MembershipRepo  *MembershipRepository
 	NoteRepo        *NoteRepository
 	CategoryRepo    *CategoryRepository
+	TaskListRepo    *TaskListRepository
 	TaskRepo        *TaskRepository
 	TaskStatusRepo  *TaskStatusRepository
 	RevisionRepo    *NoteRevisionRepository
@@ -49,6 +50,7 @@ func NewDatabase(ctx context.Context, mongoURL string) (*Database, error) {
 		MembershipRepo:  NewMembershipRepository(db),
 		NoteRepo:        NewNoteRepository(db),
 		CategoryRepo:    NewCategoryRepository(db),
+		TaskListRepo:    NewTaskListRepository(db),
 		TaskRepo:        NewTaskRepository(db),
 		TaskStatusRepo:  NewTaskStatusRepository(db),
 		RevisionRepo:    NewNoteRevisionRepository(db),
@@ -87,6 +89,9 @@ func (d *Database) EnsureIndexes(ctx context.Context) error {
 	if err := d.TaskRepo.EnsureIndexes(ctx); err != nil {
 		return err
 	}
+	if err := d.TaskListRepo.EnsureIndexes(ctx); err != nil {
+		return err
+	}
 	if err := d.TaskStatusRepo.EnsureIndexes(ctx); err != nil {
 		return err
 	}

backend/internal/infrastructure/database/task_repository.go

@@ -108,13 +108,95 @@ func (r *TaskRepository) EnsureIndexes(ctx context.Context) error {
 	_, err := r.collection.Indexes().CreateMany(ctx, []mongo.IndexModel{
 		{Keys: bson.D{{Key: "space_id", Value: 1}, {Key: "updated_at", Value: -1}}},
 		{Keys: bson.D{{Key: "space_id", Value: 1}, {Key: "status_id", Value: 1}}},
-		{Keys: bson.D{{Key: "space_id", Value: 1}, {Key: "category_id", Value: 1}}},
+		{Keys: bson.D{{Key: "space_id", Value: 1}, {Key: "task_list_id", Value: 1}}},
 		{Keys: bson.D{{Key: "space_id", Value: 1}, {Key: "parent_task_id", Value: 1}}},
 		{Keys: bson.D{{Key: "space_id", Value: 1}, {Key: "note_links", Value: 1}}},
 	})
 	return err
 }
 
+// TaskListRepository implements task list data access.
+type TaskListRepository struct {
+	collection *mongo.Collection
+}
+
+// NewTaskListRepository creates a new task list repository.
+func NewTaskListRepository(db *mongo.Database) *TaskListRepository {
+	return &TaskListRepository{collection: db.Collection("task_lists")}
+}
+
+func (r *TaskListRepository) CreateTaskList(ctx context.Context, list *entities.TaskList) error {
+	list.ID = bson.NewObjectID()
+	list.CreatedAt = time.Now()
+	list.UpdatedAt = time.Now()
+	_, err := r.collection.InsertOne(ctx, list)
+	return err
+}
+
+func (r *TaskListRepository) GetTaskListByID(ctx context.Context, id bson.ObjectID) (*entities.TaskList, error) {
+	var list entities.TaskList
+	err := r.collection.FindOne(ctx, bson.M{"_id": id}).Decode(&list)
+	if err != nil {
+		if err == mongo.ErrNoDocuments {
+			return nil, errors.New("task list not found")
+		}
+		return nil, err
+	}
+	return &list, nil
+}
+
+func (r *TaskListRepository) ListTaskLists(ctx context.Context, spaceID bson.ObjectID) ([]*entities.TaskList, error) {
+	cursor, err := r.collection.Find(ctx, bson.M{"space_id": spaceID}, options.Find().SetSort(bson.D{{Key: "name", Value: 1}}))
+	if err != nil {
+		return nil, err
+	}
+	defer cursor.Close(ctx)
+
+	var lists []*entities.TaskList
+	if err := cursor.All(ctx, &lists); err != nil {
+		return nil, err
+	}
+	return lists, nil
+}
+
+func (r *TaskListRepository) ListTaskListsByCategory(ctx context.Context, spaceID bson.ObjectID, categoryID bson.ObjectID) ([]*entities.TaskList, error) {
+	cursor, err := r.collection.Find(ctx, bson.M{"space_id": spaceID, "category_id": categoryID}, options.Find().SetSort(bson.D{{Key: "name", Value: 1}}))
+	if err != nil {
+		return nil, err
+	}
+	defer cursor.Close(ctx)
+
+	var lists []*entities.TaskList
+	if err := cursor.All(ctx, &lists); err != nil {
+		return nil, err
+	}
+	return lists, nil
+}
+
+func (r *TaskListRepository) UpdateTaskList(ctx context.Context, list *entities.TaskList) error {
+	list.UpdatedAt = time.Now()
+	_, err := r.collection.ReplaceOne(ctx, bson.M{"_id": list.ID}, list)
+	return err
+}
+
+func (r *TaskListRepository) DeleteTaskList(ctx context.Context, id bson.ObjectID) error {
+	_, err := r.collection.DeleteOne(ctx, bson.M{"_id": id})
+	return err
+}
+
+func (r *TaskListRepository) DeleteTaskListsBySpaceID(ctx context.Context, spaceID bson.ObjectID) error {
+	_, err := r.collection.DeleteMany(ctx, bson.M{"space_id": spaceID})
+	return err
+}
+
+func (r *TaskListRepository) EnsureIndexes(ctx context.Context) error {
+	_, err := r.collection.Indexes().CreateMany(ctx, []mongo.IndexModel{
+		{Keys: bson.D{{Key: "space_id", Value: 1}, {Key: "name", Value: 1}}, Options: options.Index().SetUnique(true)},
+		{Keys: bson.D{{Key: "space_id", Value: 1}, {Key: "category_id", Value: 1}}},
+	})
+	return err
+}
+
 // TaskStatusRepository implements task status data access.
 type TaskStatusRepository struct {
 	collection *mongo.Collection

backend/internal/interfaces/handlers/task_handler.go

@@ -64,15 +64,15 @@ func (h *TaskHandler) ListTasks(w http.ResponseWriter, r *http.Request) {
 		return
 	}
 
-	categoryID := strings.TrimSpace(r.URL.Query().Get("categoryId"))
+	taskListID := strings.TrimSpace(r.URL.Query().Get("taskListId"))
 	statusID := strings.TrimSpace(r.URL.Query().Get("statusId"))
 	parentTaskID := strings.TrimSpace(r.URL.Query().Get("parentTaskId"))
 
-	categoryFilter := &categoryID
+	taskListFilter := &taskListID
 	statusFilter := &statusID
 	parentFilter := &parentTaskID
-	if categoryID == "" {
+	if taskListID == "" {
-		categoryFilter = nil
+		taskListFilter = nil
 	}
 	if statusID == "" {
 		statusFilter = nil
@@ -81,7 +81,7 @@ func (h *TaskHandler) ListTasks(w http.ResponseWriter, r *http.Request) {
 		parentFilter = nil
 	}
 
-	tasks, err := h.taskService.ListTasks(r.Context(), spaceID, userID, categoryFilter, statusFilter, parentFilter)
+	tasks, err := h.taskService.ListTasks(r.Context(), spaceID, userID, taskListFilter, statusFilter, parentFilter)
 	if err != nil {
 		http.Error(w, err.Error(), http.StatusBadRequest)
 		return
@@ -91,6 +91,94 @@ func (h *TaskHandler) ListTasks(w http.ResponseWriter, r *http.Request) {
 	json.NewEncoder(w).Encode(tasks)
 }
 
+func (h *TaskHandler) ListTaskLists(w http.ResponseWriter, r *http.Request) {
+	userID, spaceID, err := parseIDsFromRequest(r)
+	if err != nil {
+		http.Error(w, "invalid request", http.StatusBadRequest)
+		return
+	}
+
+	lists, err := h.taskService.ListTaskLists(r.Context(), spaceID, userID)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(lists)
+}
+
+func (h *TaskHandler) CreateTaskList(w http.ResponseWriter, r *http.Request) {
+	userID, spaceID, err := parseIDsFromRequest(r)
+	if err != nil {
+		http.Error(w, "invalid request", http.StatusBadRequest)
+		return
+	}
+
+	var req dto.CreateTaskListRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		http.Error(w, "invalid request body", http.StatusBadRequest)
+		return
+	}
+
+	list, err := h.taskService.CreateTaskList(r.Context(), spaceID, userID, &req)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	w.WriteHeader(http.StatusCreated)
+	json.NewEncoder(w).Encode(list)
+}
+
+func (h *TaskHandler) UpdateTaskList(w http.ResponseWriter, r *http.Request) {
+	userID, spaceID, err := parseIDsFromRequest(r)
+	if err != nil {
+		http.Error(w, "invalid request", http.StatusBadRequest)
+		return
+	}
+	taskListID, err := bson.ObjectIDFromHex(mux.Vars(r)["taskListId"])
+	if err != nil {
+		http.Error(w, "invalid task list id", http.StatusBadRequest)
+		return
+	}
+
+	var req dto.UpdateTaskListRequest
+	if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
+		http.Error(w, "invalid request body", http.StatusBadRequest)
+		return
+	}
+
+	list, err := h.taskService.UpdateTaskList(r.Context(), spaceID, taskListID, userID, &req)
+	if err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+
+	w.Header().Set("Content-Type", "application/json")
+	json.NewEncoder(w).Encode(list)
+}
+
+func (h *TaskHandler) DeleteTaskList(w http.ResponseWriter, r *http.Request) {
+	userID, spaceID, err := parseIDsFromRequest(r)
+	if err != nil {
+		http.Error(w, "invalid request", http.StatusBadRequest)
+		return
+	}
+	taskListID, err := bson.ObjectIDFromHex(mux.Vars(r)["taskListId"])
+	if err != nil {
+		http.Error(w, "invalid task list id", http.StatusBadRequest)
+		return
+	}
+
+	if err := h.taskService.DeleteTaskList(r.Context(), spaceID, taskListID, userID); err != nil {
+		http.Error(w, err.Error(), http.StatusBadRequest)
+		return
+	}
+	w.WriteHeader(http.StatusNoContent)
+}
+
 func (h *TaskHandler) SearchTasks(w http.ResponseWriter, r *http.Request) {
 	userID, spaceID, err := parseIDsFromRequest(r)
 	if err != nil {

frontend/src/App.vue

@@ -44,7 +44,7 @@
 
                     <!-- Search -->
                     <div class="search-box nav-search" v-if="!isAdminRoute">
-                        <input type="text" class="form-control" placeholder="Search notes..." v-model="searchQuery" @keyup.enter="performSearch" />
+                        <input type="text" class="form-control" placeholder="Search notes & task lists..." v-model="searchQuery" @keyup.enter="performSearch" />
                     </div>
 
                     <!-- Theme Toggle -->
@@ -98,6 +98,7 @@
                         :on-add-subcategory="openCreateSubcategoryModal"
                         :on-edit-category="openEditCategoryModal"
                         :on-delete-category="removeCategory"
+                        :on-select-task-list="selectTaskList"
                         :can-create-categories="canCreateCategories"
                         :can-edit-categories="canEditCategories"
                         :can-delete-categories="canDeleteCategories"
@@ -128,9 +129,36 @@
                             </h5>
                         </div>
                         <div class="col-auto d-flex align-items-center">
-                            <div class="btn-group me-2" role="group" aria-label="Workspace mode">
+                            <div
-                                <button type="button" class="btn action-button" :class="activeView === 'notes' ? 'btn-secondary' : 'btn-outline-secondary'" @click="activeView = 'notes'">Notes</button>
+                                v-if="(activeView === 'notes' || activeView === 'tasks') && (canCreateNotes || canCreateTasks)"
-                                <button type="button" class="btn action-button" :class="activeView === 'tasks' ? 'btn-secondary' : 'btn-outline-secondary'" @click="activeView = 'tasks'">Tasks</button>
+                                ref="createDropdownRef"
+                                class="dropdown me-2"
+                                @mouseleave="showCreateMenu = false"
+                            >
+                                <button class="btn btn-primary dropdown-toggle action-button" type="button" aria-label="Create" title="Create" @click="toggleCreateMenu">
+                                    <i class="mdi mdi-plus-circle-outline me-1" aria-hidden="true"></i>
+                                    <span class="action-label">Create</span>
+                                </button>
+                                <ul class="dropdown-menu dropdown-menu-end" :class="{ show: showCreateMenu }">
+                                    <li v-if="activeView === 'notes' && canCreateNotes">
+                                        <button class="dropdown-item" type="button" @click="openCreateNoteModalFromMenu">
+                                            <i class="mdi mdi-note-plus-outline me-1" aria-hidden="true"></i>
+                                            New Note
+                                        </button>
+                                    </li>
+                                    <li v-if="activeView === 'notes' && canCreateTasks">
+                                        <button class="dropdown-item" type="button" @click="openCreateTaskListModalFromMenu">
+                                            <i class="mdi mdi-format-list-checkbox me-1" aria-hidden="true"></i>
+                                            New Task List
+                                        </button>
+                                    </li>
+                                    <li v-if="activeView === 'tasks' && canCreateTasks">
+                                        <button class="dropdown-item" type="button" @click="openTaskCreateModal">
+                                            <i class="mdi mdi-checkbox-marked-circle-plus-outline me-1" aria-hidden="true"></i>
+                                            New Task
+                                        </button>
+                                    </li>
+                                </ul>
                             </div>
                             <div v-if="activeView === 'notes' && (!selectedNote || isSearchRoute)" class="btn-group me-2 d-none d-md-flex" role="group" aria-label="View mode">
                                 <button
@@ -174,14 +202,6 @@
                                 <i class="mdi mdi-share-variant-outline me-1" aria-hidden="true"></i>
                                 <span class="action-label">{{ shareCopied ? "Copied" : "Share" }}</span>
                             </button>
-                            <button v-if="activeView === 'notes' && canCreateNotes" class="btn btn-primary action-button" aria-label="New note" title="New note" @click="showCreateNoteModal = true">
-                                <i class="mdi mdi-note-plus-outline me-1" aria-hidden="true"></i>
-                                <span class="action-label">New Note</span>
-                            </button>
-                            <button v-if="activeView === 'tasks' && canCreateTasks" class="btn btn-primary action-button" aria-label="New task" title="New task" @click="openTaskCreateModal">
-                                <i class="mdi mdi-checkbox-marked-circle-plus-outline me-1" aria-hidden="true"></i>
-                                <span class="action-label">New Task</span>
-                            </button>
                         </div>
                     </div>
                 </div>
@@ -192,8 +212,6 @@
                         v-if="activeView === 'tasks'"
                         :tasks="tasks"
                         :statuses="taskStatuses"
-                        :category-options="categoryOptions"
-                        @create-task="openTaskCreateModal"
                         @select-task="openTaskDetail"
                         @filter-change="applyTaskFilters"
                         @reorder-status="reorderTaskStatuses"
@@ -204,12 +222,13 @@
                     />
                     <SearchResultsPage
                         v-else-if="isSearchRoute"
-                        :notes="searchResults"
+                        :items="searchItems"
                         :query="searchQuery"
                         :current-page="searchPage"
                         :page-size="searchPageSize"
                         :view-mode="noteViewMode"
                         @select-note="selectSearchResultNote"
+                        @select-task-list="selectTaskList"
                         @page-change="setSearchPage"
                     />
                     <NoteEditor
@@ -231,13 +250,14 @@
                         :linked-tasks="linkedTasksForSelectedNote"
                         @open-linked-task="openLinkedTaskFromNote"
                     />
-                    <NoteList
+                    <WorkspaceList
                         v-else
-                        :notes="displayedNotes"
+                        :items="displayedItems"
                         :can-load-more="canLoadMoreMainNotes"
                         :is-loading-more="spaceStore.notesLoading"
                         :view-mode="noteViewMode"
                         @select-note="selectNote"
+                        @select-task-list="selectTaskList"
                         @load-more="loadMoreMainNotes"
                     />
                 </div>
@@ -279,6 +299,13 @@
             @submit="submitCategory"
         />
         <CreateNoteModal v-if="showCreateNoteModal" :category-options="categoryOptions" :default-category-id="selectedCategory?.id || null" @close="showCreateNoteModal = false" @create="createNote" />
+        <CreateTaskListModal
+            v-if="showCreateTaskListModal"
+            :category-options="categoryOptions"
+            :default-category-id="selectedCategory?.id || null"
+            @close="showCreateTaskListModal = false"
+            @create="createTaskList"
+        />
         <SpaceSettingsModal
             v-if="showSpaceSettingsModal && currentSpace && canManageSpaceSettings"
             :space="currentSpace"
@@ -290,7 +317,6 @@
             v-if="showTaskModal"
             :task="taskModalDraft || {}"
             :statuses="taskStatuses"
-            :category-options="categoryOptions"
             :parent-task-options="taskParentOptions"
             :subtasks="taskDetail?.subtasks || []"
             @close="showTaskModal = false"
@@ -342,11 +368,12 @@ import { useSpaceStore } from "./stores/spaceStore";
 import CategoryTree from "./components/CategoryTree.vue";
 import NoteEditor from "./components/NoteEditor.vue";
 import NoteViewer from "./components/NoteViewer.vue";
-import NoteList from "./components/NoteList.vue";
+import WorkspaceList from "./components/WorkspaceList.vue";
 import SearchResultsPage from "./components/SearchResultsPage.vue";
 import CreateSpaceModal from "./components/CreateSpaceModal.vue";
 import CreateCategoryModal from "./components/CreateCategoryModal.vue";
 import CreateNoteModal from "./components/CreateNoteModal.vue";
+import CreateTaskListModal from "./components/CreateTaskListModal.vue";
 import SpaceSettingsModal from "./components/SpaceSettingsModal.vue";
 import TaskBoard from "./components/TaskBoard.vue";
 import TaskDetailModal from "./components/TaskDetailModal.vue";
@@ -363,12 +390,14 @@ const showUserMenu = ref(false);
 const showCreateSpaceModal = ref(false);
 const showCreateCategoryModal = ref(false);
 const showCreateNoteModal = ref(false);
+const showCreateTaskListModal = ref(false);
 const showSpaceSettingsModal = ref(false);
 const showSidebar = ref(false);
 const navbarRef = ref(null);
 const navbarHeight = ref(56);
 const spaceDropdownRef = ref(null);
 const userDropdownRef = ref(null);
+const createDropdownRef = ref(null);
 const searchQuery = ref("");
 const selectedNote = ref(null);
 const selectedCategory = ref(null);
@@ -393,14 +422,16 @@ const unlockError = ref("");
 const unlockingNote = ref(false);
 const activeView = ref("notes");
 const taskFilters = ref({
-    categoryId: null,
+    taskListId: null,
     statusId: null,
     parentTaskId: null,
 });
+const selectedTaskList = ref(null);
 const showTaskModal = ref(false);
 const taskDetail = ref(null);
 const taskModalDraft = ref(null);
 const linkedTasksForSelectedNote = ref([]);
+const showCreateMenu = ref(false);
 
 const currentUser = computed(() => authStore.user);
 const isAdminRoute = computed(() => route.path === "/admin");
@@ -410,6 +441,19 @@ const isAuthRoute = computed(() => route.path === "/login" || route.path === "/r
 const spaces = computed(() => spaceStore.spaces);
 const currentSpace = computed(() => spaceStore.currentSpace);
 const searchResults = computed(() => sortNotesByPriority(spaceStore.searchResults));
+const searchItems = computed(() => {
+    const query = searchQuery.value.toLowerCase();
+    const noteItems = searchResults.value.map((note) => ({
+        ...note,
+        kind: "note",
+    }));
+    const matchingTaskLists = (spaceStore.taskLists || []).filter((tl) => tl.name.toLowerCase().includes(query));
+    const taskListItems = matchingTaskLists.map((tl) => ({
+        ...tl,
+        kind: "task-list",
+    }));
+    return [...taskListItems, ...noteItems];
+});
 const searchPageSize = 12;
 const searchPage = computed(() => {
     const pageValue = Number.parseInt(route.query.page || "1", 10);
@@ -469,13 +513,46 @@ const collectNotesFromCategory = (category, bucket = []) => {
     return bucket;
 };
 
+const collectTaskListsFromCategory = (category, bucket = []) => {
+    if (!category) {
+        return bucket;
+    }
+    if (Array.isArray(category.task_lists) && category.task_lists.length) {
+        bucket.push(...category.task_lists);
+    }
+    for (const subcategory of category.subcategories || []) {
+        collectTaskListsFromCategory(subcategory, bucket);
+    }
+    return bucket;
+};
+
 const displayedNotes = computed(() => {
     if (!selectedCategory.value) {
         return sortNotesByPriority(spaceStore.notes);
     }
     return sortNotesByPriority(collectNotesFromCategory(selectedCategory.value, []));
 });
+
+const displayedTaskLists = computed(() => {
+    if (!selectedCategory.value) {
+        return [...(spaceStore.taskLists || [])].sort((left, right) => left.name.localeCompare(right.name));
+    }
+    return [...collectTaskListsFromCategory(selectedCategory.value, [])].sort((left, right) => left.name.localeCompare(right.name));
+});
+
+const displayedItems = computed(() => {
+    const taskListItems = displayedTaskLists.value.map((taskList) => ({
+        ...taskList,
+        kind: "task-list",
+    }));
+    const noteItems = displayedNotes.value.map((note) => ({
+        ...note,
+        kind: "note",
+    }));
+    return [...taskListItems, ...noteItems];
+});
 const tasks = computed(() => spaceStore.tasks || []);
+const taskLists = computed(() => spaceStore.taskLists || []);
 const taskStatuses = computed(() => spaceStore.taskStatuses || []);
 const initialTaskStatusId = computed(() => {
     if (!taskStatuses.value.length) {
@@ -518,6 +595,13 @@ const openSpaceHome = () => {
     unlockPassword.value = "";
     unlockError.value = "";
     searchQuery.value = "";
+    selectedTaskList.value = null;
+    activeView.value = "notes";
+    taskFilters.value = {
+        taskListId: null,
+        statusId: null,
+        parentTaskId: null,
+    };
     spaceStore.clearSearchResults();
     if (route.path !== "/") {
         router.push("/");
@@ -580,6 +664,27 @@ const breadcrumbItems = computed(() => {
         return items;
     }
 
+    if (activeView.value === "tasks" && selectedTaskList.value) {
+        const taskListCategoryId = selectedTaskList.value.category_id;
+        if (taskListCategoryId) {
+            const categoryTrail = findCategoryPath(categoryTree.value, taskListCategoryId) || [];
+            for (const category of categoryTrail) {
+                items.push({
+                    label: category.name,
+                    clickable: true,
+                    onClick: () => openCategoryFromBreadcrumb(category),
+                });
+            }
+        }
+
+        items.push({
+            label: selectedTaskList.value.name,
+            clickable: false,
+            onClick: null,
+        });
+        return items;
+    }
+
     if (selectedCategory.value) {
         const categoryTrail = findCategoryPath(categoryTree.value, selectedCategory.value.id) || [selectedCategory.value];
         for (let i = 0; i < categoryTrail.length; i++) {
@@ -710,6 +815,14 @@ const toggleUserMenu = () => {
     }
 };
 
+const toggleCreateMenu = () => {
+    showCreateMenu.value = !showCreateMenu.value;
+    if (showCreateMenu.value) {
+        showSpaceDropdown.value = false;
+        showUserMenu.value = false;
+    }
+};
+
 const handleDocumentClick = (event) => {
     const target = event.target;
 
@@ -720,6 +833,10 @@ const handleDocumentClick = (event) => {
     if (showUserMenu.value && userDropdownRef.value && !userDropdownRef.value.contains(target)) {
         showUserMenu.value = false;
     }
+
+    if (showCreateMenu.value && createDropdownRef.value && !createDropdownRef.value.contains(target)) {
+        showCreateMenu.value = false;
+    }
 };
 
 const handleEscapeKey = (event) => {
@@ -728,6 +845,7 @@ const handleEscapeKey = (event) => {
     }
     showSpaceDropdown.value = false;
     showUserMenu.value = false;
+    showCreateMenu.value = false;
     showSidebar.value = false;
 };
 
@@ -737,7 +855,9 @@ const selectSpace = async (space) => {
     localStorage.setItem("currentSpaceId", space.id);
     selectedNote.value = null;
     selectedCategory.value = null;
+    selectedTaskList.value = null;
     isEditingNote.value = false;
+    activeView.value = "notes";
     linkedTasksForSelectedNote.value = [];
     await applyTaskFilters(taskFilters.value);
 };
@@ -782,8 +902,13 @@ const selectNote = async (note) => {
         showUnlockModal.value = true;
         selectedNote.value = null;
         selectedCategory.value = null;
+        selectedTaskList.value = null;
         isEditingNote.value = false;
+        activeView.value = "notes";
         showSidebar.value = false;
+        if (route.path === "/search") {
+            router.push("/");
+        }
         return;
     }
 
@@ -795,8 +920,13 @@ const selectNote = async (note) => {
         const response = await apiClient.get(`/api/v1/spaces/${currentSpace.value.id}/notes/${note.id}`);
         selectedNote.value = response.data;
         selectedCategory.value = null;
+        selectedTaskList.value = null;
         isEditingNote.value = false;
+        activeView.value = "notes";
         showSidebar.value = false;
+        if (route.path === "/search") {
+            router.push("/");
+        }
     } catch {
         alert("Unable to load note content.");
     }
@@ -828,7 +958,9 @@ const unlockProtectedNote = async () => {
         });
         selectedNote.value = response.data;
         selectedCategory.value = null;
+        selectedTaskList.value = null;
         isEditingNote.value = false;
+        activeView.value = "notes";
         showSidebar.value = false;
         closeUnlockModal();
     } catch (error) {
@@ -840,11 +972,31 @@ const unlockProtectedNote = async () => {
 
 const selectCategory = (category) => {
     selectedCategory.value = category;
+    selectedTaskList.value = null;
     selectedNote.value = null;
     isEditingNote.value = false;
+    activeView.value = "notes";
     showSidebar.value = false;
 };
 
+const selectTaskList = async (taskList) => {
+    selectedTaskList.value = taskList;
+    selectedCategory.value = null;
+    selectedNote.value = null;
+    isEditingNote.value = false;
+    activeView.value = "tasks";
+    showSidebar.value = false;
+
+    if (route.path === "/search") {
+        router.push("/");
+    }
+
+    await applyTaskFilters({
+        ...taskFilters.value,
+        taskListId: taskList?.id || null,
+    });
+};
+
 const performSearch = async () => {
     const q = searchQuery.value.trim();
     if (!q) {
@@ -903,22 +1055,30 @@ const loadMoreMainNotes = async () => {
 };
 
 const applyTaskFilters = async (filters) => {
-    taskFilters.value = filters;
+    taskFilters.value = {
+        ...taskFilters.value,
+        ...filters,
+        taskListId: selectedTaskList.value?.id || taskFilters.value.taskListId || null,
+    };
     if (!currentSpace.value?.id) {
         return;
     }
-    await spaceStore.fetchTasks(currentSpace.value.id, filters);
+    await spaceStore.fetchTasks(currentSpace.value.id, taskFilters.value);
 };
 
 const openTaskCreateModal = () => {
     if (!canCreateTasks.value) {
         return;
     }
+    if (!selectedTaskList.value?.id) {
+        alert("Select a task list first.");
+        return;
+    }
     taskDetail.value = null;
     taskModalDraft.value = {
         title: "",
         description: "",
-        category_id: selectedCategory.value?.id || null,
+        task_list_id: selectedTaskList.value?.id || null,
         status_id: initialTaskStatusId.value,
         parent_task_id: null,
         note_links: selectedNote.value?.id ? [selectedNote.value.id] : [],
@@ -1010,7 +1170,7 @@ const createSubtask = (parentTask) => {
     taskModalDraft.value = {
         title: "",
         description: "",
-        category_id: parentTask.category_id || null,
+        task_list_id: parentTask.task_list_id || selectedTaskList.value?.id || null,
         status_id: initialTaskStatusId.value,
         parent_task_id: parentTask.id,
         note_links: selectedNote.value?.id ? [selectedNote.value.id] : [],
@@ -1102,10 +1262,38 @@ const updateTaskStatusFromBoard = async ({ taskId, currentStatusId, targetStatus
 };
 
 const openLinkedTaskFromNote = async (task) => {
+    selectedTaskList.value = taskLists.value.find((list) => list.id === task.task_list_id) || null;
+    selectedNote.value = null;
+    await applyTaskFilters({ taskListId: selectedTaskList.value?.id || null });
     activeView.value = "tasks";
     await openTaskDetail(task);
 };
 
+const openCreateNoteModalFromMenu = () => {
+    showCreateMenu.value = false;
+    showCreateNoteModal.value = true;
+};
+
+const openCreateTaskListModalFromMenu = () => {
+    showCreateMenu.value = false;
+    showCreateTaskListModal.value = true;
+};
+
+const createTaskList = async (taskListData) => {
+    if (!currentSpace.value?.id || !canCreateTasks.value) {
+        showCreateTaskListModal.value = false;
+        return;
+    }
+
+    try {
+        const created = await spaceStore.createTaskList(currentSpace.value.id, taskListData);
+        showCreateTaskListModal.value = false;
+        await selectTaskList(created);
+    } catch (error) {
+        alert(error?.response?.data || "Unable to create task list.");
+    }
+};
+
 const createSpace = async (spaceData) => {
     showCreateSpaceModal.value = false;
     await spaceStore.createSpace(spaceData);
@@ -1259,6 +1447,3 @@ const logout = () => {
 </script>
 
 <style scoped src="./assets/styles/scoped/App.css"></style>
-
-
-

frontend/src/assets/styles/scoped/components/CategoryTree.css

@@ -90,6 +90,27 @@
     margin-bottom: 0.25rem;
 }
 
+.task-list-item {
+    display: flex;
+    align-items: center;
+    padding: 0.5rem;
+    cursor: pointer;
+    border-radius: 4px;
+    font-size: 0.95rem;
+    margin-bottom: 0.25rem;
+    color: #2f3d52;
+    background: #f7f9ff;
+    border: 1px solid #d9e3ff;
+}
+
+.task-list-item:hover {
+    background: #e9efff;
+}
+
+.task-list-item span {
+    flex-grow: 1;
+}
+
 .note-item:hover {
     background-color: #e9ecef;
 }
@@ -120,12 +141,12 @@
 }
 
 .note-item.is-featured {
-    background: var(--color-surface)9db;
+    background: #fff9db;
     border: 1px solid #ffd8a8;
 }
 
 .note-item.is-featured:hover {
-    background: var(--color-surface)6c5;
+    background: #fff3c5;
 }
 
 .subcategories {
@@ -163,6 +184,16 @@
     background-color: var(--color-surface-muted);
 }
 
+:root[data-bs-theme="dark"] .task-list-item {
+    background: #1f2a44;
+    border-color: #334b7d;
+    color: #bfceef;
+}
+
+:root[data-bs-theme="dark"] .task-list-item:hover {
+    background: #26365b;
+}
+
 :root[data-bs-theme="dark"] .note-item.is-pinned {
     background: #1a3a5c;
     border-color: #2d6a9f;
@@ -180,5 +211,3 @@
 :root[data-bs-theme="dark"] .note-item.is-featured:hover {
     background: #453710;
 }
-
-

frontend/src/assets/styles/scoped/components/TaskBoard.css

@@ -13,7 +13,7 @@
 
 .task-filters {
     display: grid;
-    grid-template-columns: repeat(3, minmax(0, 1fr));
+    grid-template-columns: repeat(2, minmax(0, 1fr));
     gap: 0.75rem;
 }
 
@@ -292,7 +292,7 @@
 .danger-zone {
     border: 1px solid #f3b5b5;
     border-radius: 0.75rem;
-    background: var(--color-surface)5f5;
+    background: var(--color-surface) 5f5;
     padding: 0.75rem;
 }
 
@@ -399,5 +399,3 @@
 :root[data-bs-theme="dark"] .empty-state {
     color: #7a8fa8;
 }
-
-

frontend/src/assets/styles/scoped/components/WorkspaceList.css

@@ -1,10 +1,10 @@
-.note-list {
+.workspace-list {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
     gap: 1rem;
 }
 
-.empty-notes-state {
+.empty-workspace-state {
     grid-column: 1 / -1;
     min-height: 48vh;
     display: flex;
@@ -18,41 +18,42 @@
     padding: 2rem 1.5rem;
 }
 
-.empty-notes-icon {
+.empty-workspace-icon {
     font-size: 5.25rem;
     line-height: 1;
     color: #60789a;
     margin-bottom: 0.85rem;
 }
 
-.empty-notes-title {
+.empty-workspace-title {
     margin: 0;
     color: #23364f;
     font-size: 1.8rem;
     font-weight: 700;
 }
 
-.empty-notes-message {
+.empty-workspace-message {
     margin: 0.75rem 0 0;
     max-width: 460px;
     color: #4f637d;
     font-size: 1.05rem;
 }
 
-.note-card {
+.content-card {
     border: 1px solid var(--color-border);
     border-radius: 8px;
     padding: 1rem;
     cursor: pointer;
     transition: all 0.3s ease;
+    background: var(--color-surface);
 }
 
-.note-card:hover {
+.content-card:hover {
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
     transform: translateY(-2px);
 }
 
-.note-title {
+.content-title {
     margin-bottom: 0.5rem;
     color: var(--color-text);
     display: flex;
@@ -60,6 +61,14 @@
     gap: 0.3rem;
 }
 
+.content-preview {
+    color: #666;
+    margin-bottom: 0.5rem;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    white-space: nowrap;
+}
+
 .pin-icon {
     color: #408aca;
     font-size: 0.9em;
@@ -72,22 +81,25 @@
     flex-shrink: 0;
 }
 
-.note-card.is-pinned {
+.list-icon {
+    color: #5568a8;
+    font-size: 1rem;
+    flex-shrink: 0;
+}
+
+.content-card.is-pinned {
     background: #dbf5ff;
     border-color: #a8d1ff;
 }
 
-.note-card.is-featured {
+.content-card.is-featured {
     border-color: #ffd8a8;
-    background: var(--color-surface)9db;
+    background: #fff9db;
 }
 
-.note-preview {
+.content-card.is-task-list {
-    color: #666;
+    border-color: #d9e3ff;
-    margin-bottom: 0.5rem;
+    background: #f7f9ff;
-    overflow: hidden;
-    text-overflow: ellipsis;
-    white-space: nowrap;
 }
 
 .list-footer {
@@ -97,14 +109,13 @@
     margin-top: 0.5rem;
 }
 
-/* List view overrides */
+.workspace-list--list {
-.note-list--list {
     display: flex;
     flex-direction: column;
     gap: 0.4rem;
 }
 
-.note-list--list .note-card {
+.workspace-list--list .content-card {
     display: flex;
     align-items: center;
     gap: 1rem;
@@ -112,7 +123,7 @@
     border-radius: 6px;
 }
 
-.note-list--list .note-card:hover {
+.workspace-list--list .content-card:hover {
     transform: none;
     box-shadow: none;
     background-color: #eef2ff;
@@ -120,7 +131,7 @@
     border-left: 3px solid var(--color-primary);
 }
 
-.note-list--list .note-title {
+.workspace-list--list .content-title {
     flex: 0 0 220px;
     margin-bottom: 0;
     white-space: nowrap;
@@ -128,80 +139,82 @@
     text-overflow: ellipsis;
 }
 
-.note-list--list .note-preview {
+.workspace-list--list .content-preview {
     flex: 1;
     margin-bottom: 0;
 }
 
-.note-list--list .note-card > small {
+.workspace-list--list .content-card > small {
     flex: 0 0 auto;
     white-space: nowrap;
 }
 
-.note-list--list .list-footer {
-    grid-column: unset;
-}
-
 @media (max-width: 768px) {
-    .empty-notes-state {
+    .empty-workspace-state {
         min-height: 40vh;
         padding: 1.5rem 1rem;
     }
 
-    .empty-notes-icon {
+    .empty-workspace-icon {
         font-size: 4.3rem;
     }
 
-    .empty-notes-title {
+    .empty-workspace-title {
         font-size: 1.45rem;
     }
 }
 
-/* Dark mode overrides */
+:root[data-bs-theme="dark"] .empty-workspace-state {
-:root[data-bs-theme="dark"] .empty-notes-state {
     border-color: var(--color-border);
     background: linear-gradient(180deg, #1e2430 0%, var(--color-surface) 100%);
 }
 
-:root[data-bs-theme="dark"] .empty-notes-title {
+:root[data-bs-theme="dark"] .empty-workspace-title {
     color: var(--color-text);
 }
 
-:root[data-bs-theme="dark"] .empty-notes-message {
+:root[data-bs-theme="dark"] .empty-workspace-message {
     color: #94a3b8;
 }
 
-:root[data-bs-theme="dark"] .note-card {
+:root[data-bs-theme="dark"] .content-card {
     border-color: var(--color-border);
     background-color: var(--color-surface);
 }
 
-:root[data-bs-theme="dark"] .note-card:hover {
+:root[data-bs-theme="dark"] .content-card:hover {
     box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
 }
 
-:root[data-bs-theme="dark"] .note-list--list .note-card:hover {
+:root[data-bs-theme="dark"] .workspace-list--list .content-card:hover {
     background-color: #2a2f3a;
     border-color: #7aa2f7;
     border-left-color: #7aa2f7;
 }
 
-:root[data-bs-theme="dark"] .note-title {
+:root[data-bs-theme="dark"] .content-title {
     color: var(--color-text);
 }
 
-:root[data-bs-theme="dark"] .note-preview {
+:root[data-bs-theme="dark"] .content-preview {
     color: #94a3b8;
 }
 
-:root[data-bs-theme="dark"] .note-card.is-pinned {
+:root[data-bs-theme="dark"] .content-card.is-pinned {
     background: #1a3a5c;
     border-color: #2d6a9f;
 }
 
-:root[data-bs-theme="dark"] .note-card.is-featured {
+:root[data-bs-theme="dark"] .content-card.is-featured {
     background: #3a2e0a;
     border-color: #7a5a0a;
 }
 
+:root[data-bs-theme="dark"] .content-card.is-task-list {
+    background: #1f2a44;
+    border-color: #334b7d;
+}
 
+:root[data-bs-theme="dark"] .list-icon {
+    color: #bfceef;
+}

frontend/src/components/CategoryTree.vue

@@ -2,7 +2,7 @@
     <div class="category-tree">
         <div v-for="category in categories" :key="category.id" class="category-item">
             <div class="category-header" @click="handleCategoryClick(category)">
-                <span class="expand-icon" v-if="category.subcategories?.length || category.notes?.length">
+                <span class="expand-icon" v-if="category.subcategories?.length || category.notes?.length || category.task_lists?.length">
                     <i :class="expandedCategories[category.id] ? 'mdi mdi-chevron-down' : 'mdi mdi-chevron-right'" aria-hidden="true"></i>
                 </span>
                 <span v-else class="expand-icon"> </span>
@@ -20,6 +20,11 @@
             </div>
 
             <div v-if="expandedCategories[category.id]" class="category-content">
+                <div v-for="taskList in category.task_lists || []" :key="taskList.id" class="task-list-item" @click.stop="onSelectTaskList(taskList)">
+                    <i class="mdi mdi-format-list-checkbox me-1" aria-hidden="true"></i>
+                    <span>{{ taskList.name }}</span>
+                </div>
+
                 <div
                     v-for="note in sortedNotes(category.notes)"
                     :key="note.id"
@@ -41,6 +46,7 @@
                     :on-add-subcategory="onAddSubcategory"
                     :on-edit-category="onEditCategory"
                     :on-delete-category="onDeleteCategory"
+                    :on-select-task-list="onSelectTaskList"
                     :can-create-categories="canCreateCategories"
                     :can-edit-categories="canEditCategories"
                     :can-delete-categories="canDeleteCategories"
@@ -80,6 +86,10 @@ const props = defineProps({
         type: Function,
         required: true,
     },
+    onSelectTaskList: {
+        type: Function,
+        required: true,
+    },
     canCreateCategories: {
         type: Boolean,
         default: false,
@@ -142,6 +152,3 @@ const handleDeleteCategory = (category) => {
 </script>
 
 <style scoped src="../assets/styles/scoped/components/CategoryTree.css"></style>
-
-
-

frontend/src/components/CreateTaskListModal.vue

@@ -0,0 +1,84 @@
+<template>
+    <teleport to="body">
+        <div class="modal fade show d-block" tabindex="-1" role="dialog" aria-modal="true" @click.self="closeModal">
+            <div class="modal-dialog modal-dialog-centered" role="document">
+                <div class="modal-content">
+                    <div class="modal-header">
+                        <h5 class="modal-title">Create New Task List</h5>
+                        <button type="button" class="btn-close" aria-label="Close" @click="closeModal"></button>
+                    </div>
+                    <div class="modal-body">
+                        <form @submit.prevent="handleCreate">
+                            <div class="mb-3">
+                                <label for="taskListName" class="form-label">Task List Name</label>
+                                <input id="taskListName" v-model="form.name" type="text" class="form-control" maxlength="120" required />
+                            </div>
+                            <div class="mb-3">
+                                <label for="taskListCategory" class="form-label">Category</label>
+                                <select id="taskListCategory" v-model="form.category_id" class="form-select">
+                                    <option :value="null">No category</option>
+                                    <option v-for="category in categoryOptions" :key="category.id" :value="category.id">
+                                        {{ category.label }}
+                                    </option>
+                                </select>
+                            </div>
+                            <button type="submit" class="btn btn-primary">Create</button>
+                        </form>
+                    </div>
+                </div>
+            </div>
+        </div>
+        <div class="modal-backdrop fade show"></div>
+    </teleport>
+</template>
+
+<script setup>
+import { ref, watch } from "vue";
+
+const props = defineProps({
+    categoryOptions: {
+        type: Array,
+        default: () => [],
+    },
+    defaultCategoryId: {
+        type: String,
+        default: null,
+    },
+});
+
+const emit = defineEmits(["close", "create"]);
+
+const form = ref({
+    name: "",
+    category_id: null,
+});
+
+watch(
+    () => props.defaultCategoryId,
+    (defaultCategoryId) => {
+        form.value.category_id = defaultCategoryId || null;
+    },
+    { immediate: true },
+);
+
+const closeModal = () => {
+    emit("close");
+};
+
+const handleCreate = () => {
+    const name = form.value.name.trim();
+    if (!name) {
+        return;
+    }
+
+    emit("create", {
+        name,
+        category_id: form.value.category_id || null,
+    });
+
+    form.value = {
+        name: "",
+        category_id: props.defaultCategoryId || null,
+    };
+};
+</script>

frontend/src/components/NoteList.vue

@@ -1,69 +0,0 @@
-<template>
-    <div class="note-list" :class="{ 'note-list--list': viewMode === 'list' }">
-        <div v-if="notes.length === 0" class="empty-notes-state" role="status" aria-live="polite">
-            <i class="mdi mdi-file-document-outline empty-notes-icon" aria-hidden="true"></i>
-            <h3 class="empty-notes-title">No Notes Yet</h3>
-            <p class="empty-notes-message">This space is empty for now. Create your first note to get started.</p>
-        </div>
-
-        <div v-for="note in notes" :key="note.id" class="note-card" :class="{ 'is-pinned': note.is_pinned, 'is-featured': note.is_favorite || note.is_featured }" @click="selectNote(note)">
-            <h5 class="note-title">
-                <i v-if="note.is_pinned" class="mdi mdi-pin pin-icon" aria-hidden="true"></i>
-                <i v-else-if="note.is_favorite || note.is_featured" class="mdi mdi-star featured-icon" aria-hidden="true"></i>
-                {{ note.title }}
-            </h5>
-            <p class="note-preview">{{ getDescription(note) }}</p>
-            <small class="text-muted">Updated: {{ formatDate(note.updated_at) }}</small>
-        </div>
-
-        <div v-if="canLoadMore" class="list-footer">
-            <button class="btn btn-outline-secondary" :disabled="isLoadingMore" @click="emit('loadMore')">
-                {{ isLoadingMore ? "Loading..." : "Load more" }}
-            </button>
-        </div>
-    </div>
-</template>
-
-<script setup>
-defineProps({
-    notes: {
-        type: Array,
-        default: () => [],
-    },
-    canLoadMore: {
-        type: Boolean,
-        default: false,
-    },
-    isLoadingMore: {
-        type: Boolean,
-        default: false,
-    },
-    viewMode: {
-        type: String,
-        default: "grid",
-    },
-});
-
-const emit = defineEmits(["selectNote", "loadMore"]);
-
-const selectNote = (note) => {
-    emit("selectNote", note);
-};
-
-const formatDate = (dateString) => {
-    return new Date(dateString).toLocaleDateString();
-};
-
-const getDescription = (note) => {
-    const description = (note?.description || "").trim();
-    if (!description) {
-        return "No description";
-    }
-    return description;
-};
-</script>
-
-<style scoped src="../assets/styles/scoped/components/NoteList.css"></style>
-
-
-

frontend/src/components/SearchResultsPage.vue

@@ -3,23 +3,23 @@
         <header class="search-results-header">
             <h2>Search Results</h2>
             <p v-if="query" class="search-meta">{{ totalResults }} matches for "{{ query }}"</p>
-            <p v-else class="search-meta">Type in the top bar and press Enter to search notes.</p>
+            <p v-else class="search-meta">Type in the top bar and press Enter to search notes and task lists.</p>
         </header>
 
         <div v-if="!query" class="empty-state">
             <i class="mdi mdi-magnify empty-state-icon" aria-hidden="true"></i>
             <h3>Start your search</h3>
-            <p>Use a title, content keyword, or tag to find matching notes in the selected space.</p>
+            <p>Use a title, content keyword, or tag to find matching notes and task lists in the selected space.</p>
         </div>
 
         <div v-else-if="totalResults === 0" class="empty-state">
             <i class="mdi mdi-file-search-outline empty-state-icon" aria-hidden="true"></i>
-            <h3>No matching notes</h3>
+            <h3>No matching results</h3>
             <p>Try different keywords or a shorter phrase.</p>
         </div>
 
         <div v-else>
-            <NoteList :notes="paginatedNotes" :view-mode="viewMode" @select-note="emit('select-note', $event)" />
+            <WorkspaceList :items="paginatedItems" :view-mode="viewMode" @select-note="emit('select-note', $event)" @select-task-list="emit('select-task-list', $event)" />
 
             <nav v-if="totalPages > 1" class="pagination-bar" aria-label="Search result pages">
                 <button class="btn btn-outline-secondary" :disabled="currentPage <= 1" @click="goToPage(currentPage - 1)">Previous</button>
@@ -32,14 +32,14 @@
 
 <script setup>
 import { computed } from "vue";
-import NoteList from "./NoteList.vue";
+import WorkspaceList from "./WorkspaceList.vue";
 
 const props = defineProps({
     query: {
         type: String,
         default: "",
     },
-    notes: {
+    items: {
         type: Array,
         default: () => [],
     },
@@ -57,9 +57,9 @@ const props = defineProps({
     },
 });
 
-const emit = defineEmits(["select-note", "page-change"]);
+const emit = defineEmits(["select-note", "select-task-list", "page-change"]);
 
-const totalResults = computed(() => props.notes.length);
+const totalResults = computed(() => props.items.length);
 const totalPages = computed(() => Math.max(1, Math.ceil(totalResults.value / props.pageSize)));
 
 const normalizedPage = computed(() => {
@@ -69,9 +69,9 @@ const normalizedPage = computed(() => {
     return Math.min(props.currentPage, totalPages.value);
 });
 
-const paginatedNotes = computed(() => {
+const paginatedItems = computed(() => {
     const start = (normalizedPage.value - 1) * props.pageSize;
-    return props.notes.slice(start, start + props.pageSize);
+    return props.items.slice(start, start + props.pageSize);
 });
 
 const goToPage = (page) => {
@@ -83,6 +83,3 @@ const goToPage = (page) => {
 </script>
 
 <style scoped src="../assets/styles/scoped/components/SearchResultsPage.css"></style>
-
-
-

frontend/src/components/TaskBoard.vue

@@ -5,19 +5,9 @@
                 <h4 class="mb-0">Tasks</h4>
                 <p class="text-muted small mb-0">Track work with ordered statuses.</p>
             </div>
-            <button class="btn btn-primary" @click="emit('create-task')">
-                <i class="mdi mdi-checkbox-marked-circle-plus-outline me-1" aria-hidden="true"></i>
-                New Task
-            </button>
         </div>
 
         <div class="task-filters">
-            <select v-model="filterCategory" class="form-select" @change="emitFilters">
-                <option value="">All categories</option>
-                <option v-for="category in categoryOptions" :key="category.id" :value="category.id">
-                    {{ category.label }}
-                </option>
-            </select>
             <select v-model="filterStatus" class="form-select" @change="emitFilters">
                 <option value="">All statuses</option>
                 <option v-for="status in statuses" :key="status.id" :value="status.id">
@@ -245,15 +235,10 @@ const props = defineProps({
         type: Array,
         default: () => [],
     },
-    categoryOptions: {
-        type: Array,
-        default: () => [],
-    },
 });
 
 const emit = defineEmits(["create-task", "select-task", "filter-change", "reorder-status", "create-status", "rename-status", "delete-status", "update-task-status"]);
 
-const filterCategory = ref("");
 const filterStatus = ref("");
 const filterParent = ref("");
 const showStatusModal = ref(false);
@@ -307,7 +292,6 @@ const statusSections = computed(() =>
 
 const emitFilters = () => {
     emit("filter-change", {
-        categoryId: filterCategory.value || null,
         statusId: filterStatus.value || null,
         parentTaskId: filterParent.value || null,
     });
@@ -489,6 +473,3 @@ const deleteStatusFromModal = () => {
 </script>
 
 <style scoped src="../assets/styles/scoped/components/TaskBoard.css"></style>
-
-
-

frontend/src/components/TaskDetailModal.vue

@@ -16,12 +16,6 @@
                                 <label class="form-label mt-3">Description</label>
                                 <textarea v-model="localTask.description" class="form-control" rows="5" maxlength="2000"></textarea>
 
-                                <label class="form-label mt-3">Category</label>
-                                <select v-model="localTask.category_id" class="form-select">
-                                    <option value="">Uncategorized</option>
-                                    <option v-for="category in categoryOptions" :key="category.id" :value="category.id">{{ category.label }}</option>
-                                </select>
-
                                 <label class="form-label mt-3">Parent Task</label>
                                 <select v-model="localTask.parent_task_id" class="form-select">
                                     <option value="">No parent (top level)</option>
@@ -83,10 +77,6 @@ const props = defineProps({
         type: Array,
         default: () => [],
     },
-    categoryOptions: {
-        type: Array,
-        default: () => [],
-    },
     parentTaskOptions: {
         type: Array,
         default: () => [],
@@ -107,12 +97,12 @@ watch(
         localTask.value = {
             title: "",
             description: "",
-            category_id: "",
+            task_list_id: "",
             status_id: props.statuses[0]?.id || "",
             parent_task_id: "",
             note_links: [],
             ...value,
-            category_id: value?.category_id || "",
+            task_list_id: value?.task_list_id || "",
             parent_task_id: value?.parent_task_id || "",
             note_links: value?.note_links || [],
         };
@@ -138,13 +128,10 @@ const stepClass = (status) => {
 const saveTask = () => {
     emit("save-task", {
         ...localTask.value,
-        category_id: localTask.value.category_id || null,
+        task_list_id: localTask.value.task_list_id || null,
         parent_task_id: localTask.value.parent_task_id || null,
     });
 };
 </script>
 
 <style scoped src="../assets/styles/scoped/components/TaskDetailModal.css"></style>
-
-
-

frontend/src/components/WorkspaceList.vue

@@ -0,0 +1,80 @@
+<template>
+    <div class="workspace-list" :class="{ 'workspace-list--list': viewMode === 'list' }">
+        <div v-if="items.length === 0" class="empty-workspace-state" role="status" aria-live="polite">
+            <i class="mdi mdi-view-grid-outline empty-workspace-icon" aria-hidden="true"></i>
+            <h3 class="empty-workspace-title">Nothing Here Yet</h3>
+            <p class="empty-workspace-message">This view has no notes or task lists yet.</p>
+        </div>
+
+        <div v-for="item in items" :key="`${item.kind}-${item.id}`" class="content-card" :class="contentCardClass(item)" @click="openItem(item)">
+            <h5 class="content-title">
+                <template v-if="item.kind === 'note'">
+                    <i v-if="item.is_pinned" class="mdi mdi-pin pin-icon" aria-hidden="true"></i>
+                    <i v-else-if="item.is_favorite || item.is_featured" class="mdi mdi-star featured-icon" aria-hidden="true"></i>
+                    {{ item.title }}
+                </template>
+                <template v-else>
+                    <i class="mdi mdi-format-list-checkbox list-icon" aria-hidden="true"></i>
+                    {{ item.name }}
+                </template>
+            </h5>
+            <p class="content-preview">{{ getDescription(item) }}</p>
+            <small class="text-muted">Updated: {{ formatDate(item.updated_at) }}</small>
+        </div>
+
+        <div v-if="canLoadMore" class="list-footer">
+            <button class="btn btn-outline-secondary" :disabled="isLoadingMore" @click.stop="emit('loadMore')">
+                {{ isLoadingMore ? "Loading..." : "Load more" }}
+            </button>
+        </div>
+    </div>
+</template>
+
+<script setup>
+const props = defineProps({
+    items: {
+        type: Array,
+        default: () => [],
+    },
+    canLoadMore: {
+        type: Boolean,
+        default: false,
+    },
+    isLoadingMore: {
+        type: Boolean,
+        default: false,
+    },
+    viewMode: {
+        type: String,
+        default: "grid",
+    },
+});
+
+const emit = defineEmits(["selectNote", "selectTaskList", "loadMore"]);
+
+const openItem = (item) => {
+    if (item.kind === "task-list") {
+        emit("selectTaskList", item);
+        return;
+    }
+    emit("selectNote", item);
+};
+
+const formatDate = (dateString) => new Date(dateString).toLocaleDateString();
+
+const getDescription = (item) => {
+    const description = (item?.description || "").trim();
+    if (description) {
+        return description;
+    }
+    return item.kind === "task-list" ? "Open this task list to manage tasks." : "No description";
+};
+
+const contentCardClass = (item) => ({
+    "is-pinned": item.kind === "note" && item.is_pinned,
+    "is-featured": item.kind === "note" && (item.is_favorite || item.is_featured),
+    "is-task-list": item.kind === "task-list",
+});
+</script>
+
+<style scoped src="../assets/styles/scoped/components/WorkspaceList.css"></style>

frontend/src/stores/spaceStore.js

@@ -13,12 +13,13 @@ export const useSpaceStore = defineStore("space", () => {
     const notesLoading = ref(false);
     const categories = ref([]);
     const categoryTree = ref([]);
+    const taskLists = ref([]);
     const tasks = ref([]);
     const taskStatuses = ref([]);
     const noteLinkedTasks = ref([]);
 
     const refreshSpaceData = async (spaceId) => {
-        await Promise.all([fetchCategories(spaceId), fetchNotes(spaceId), fetchTaskStatuses(spaceId), fetchTasks(spaceId)]);
+        await Promise.all([fetchCategories(spaceId), fetchNotes(spaceId), fetchTaskLists(spaceId), fetchTaskStatuses(spaceId), fetchTasks(spaceId)]);
     };
 
     const fetchSpaces = async () => {
@@ -227,6 +228,39 @@ export const useSpaceStore = defineStore("space", () => {
         }
     };
 
+    const fetchTaskLists = async (spaceId) => {
+        if (!spaceId) {
+            taskLists.value = [];
+            return [];
+        }
+        try {
+            const response = await apiClient.get(`/api/v1/spaces/${spaceId}/task-lists`);
+            taskLists.value = response.data || [];
+            return taskLists.value;
+        } catch (error) {
+            console.error("Error fetching task lists:", error);
+            taskLists.value = [];
+            return [];
+        }
+    };
+
+    const createTaskList = async (spaceId, payload) => {
+        const response = await apiClient.post(`/api/v1/spaces/${spaceId}/task-lists`, payload);
+        await fetchTaskLists(spaceId);
+        return response.data;
+    };
+
+    const updateTaskList = async (spaceId, taskListId, payload) => {
+        const response = await apiClient.put(`/api/v1/spaces/${spaceId}/task-lists/${taskListId}`, payload);
+        await fetchTaskLists(spaceId);
+        return response.data;
+    };
+
+    const deleteTaskList = async (spaceId, taskListId) => {
+        await apiClient.delete(`/api/v1/spaces/${spaceId}/task-lists/${taskListId}`);
+        await fetchTaskLists(spaceId);
+    };
+
     const createTaskStatus = async (spaceId, payload) => {
         const response = await apiClient.post(`/api/v1/spaces/${spaceId}/task-statuses`, payload);
         await fetchTaskStatuses(spaceId);
@@ -258,8 +292,8 @@ export const useSpaceStore = defineStore("space", () => {
             return [];
         }
         const params = {};
-        if (filters.categoryId) {
+        if (filters.taskListId) {
-            params.categoryId = filters.categoryId;
+            params.taskListId = filters.taskListId;
         }
         if (filters.statusId) {
             params.statusId = filters.statusId;
@@ -344,6 +378,7 @@ export const useSpaceStore = defineStore("space", () => {
         notesLoading,
         categories,
         categoryTree,
+        taskLists,
         tasks,
         taskStatuses,
         noteLinkedTasks,
@@ -363,6 +398,10 @@ export const useSpaceStore = defineStore("space", () => {
         searchNotes,
         clearSearchResults,
         fetchTaskStatuses,
+        fetchTaskLists,
+        createTaskList,
+        updateTaskList,
+        deleteTaskList,
         createTaskStatus,
         updateTaskStatus,
         deleteTaskStatus,