use cobra for cli

delete pkg/runner and put funcs in task
add start command

cmd/survey/runner.go

@@ -0,0 +1,56 @@
+package main
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"math/rand"
+
+	"github.com/LazyBachelor/LazyPM/internal/service"
+	"github.com/LazyBachelor/LazyPM/pkg/task"
+)
+
+func taskLoop(ctx context.Context, svc *service.Services, surveyTasks []*task.Task, interfaces []task.Interface) error {
+	interfaceIndex := rand.Int() % len(interfaces)
+
+	for _, t := range surveyTasks {
+
+		t.SetInterface(interfaces[interfaceIndex])
+
+		if err := t.Initialize(ctx, svc); err != nil {
+			return fmt.Errorf("failed to initialize task: %w", err)
+		}
+
+		if err := t.IntroduceTask(); err != nil {
+			if errors.Is(err, task.ErrUserQuit) {
+				return task.ErrUserQuit
+			}
+			return fmt.Errorf("failed to display task introduction screen: %w", err)
+		}
+
+		if err := t.StartInterface(ctx, t.Config); err != nil {
+			return fmt.Errorf("failed to start task interface: %w", err)
+		}
+
+		ok, err := t.Validate(ctx, svc)
+		if err != nil {
+			return fmt.Errorf("validation error: %w", err)
+		}
+		if !ok {
+			return fmt.Errorf("task validation failed: task did not meet requirements")
+		}
+
+		if err := t.StartQuestionnaire(); err != nil {
+			if errors.Is(err, task.ErrUserQuit) {
+				return task.ErrUserQuit
+			}
+			return fmt.Errorf("failed to start questionnaire: %w", err)
+		}
+
+		interfaceIndex++
+		if interfaceIndex >= len(interfaces) {
+			interfaceIndex = 0
+		}
+	}
+	return nil
+}