Fix dependency errors

internal/csv/helper.go

@@ -1,6 +1,7 @@
 package csv
 
 import (
+	"context"
 	"encoding/csv"
 	"os"
 
@@ -9,7 +10,6 @@ import (
 )
 
 type Helper struct {
-	fx.In
 	csvFile   *os.File
 	csvWriter *csv.Writer
 	logger    *zap.Logger
@@ -23,11 +23,19 @@ func NewHelper(lc fx.Lifecycle, logger *zap.Logger) *Helper {
 
 	csvWriter := csv.NewWriter(csvFile)
 
-	return &Helper{
+	helper := &Helper{
 		csvFile:   csvFile,
 		csvWriter: csvWriter,
 		logger:    logger,
 	}
+
+	lc.Append(fx.Hook{
+		OnStop: func(context.Context) error {
+			return helper.Close()
+		},
+	})
+
+	return helper
 }
 
 func (h *Helper) AddEntry(date string, topic string, message string) error {