fix

internal/storage/file_store.go

@@ -1,3 +1,4 @@
+// Package storage implements persistent storage for telemetry data.
 package storage
 
 import (
@@ -11,10 +12,12 @@ import (
 	"github.com/natefinch/lumberjack"
 )
 
+// FileStore implements the Store interface using a file-based logger.
 type FileStore struct {
 	logger *lumberjack.Logger
 }
 
+// NewFileStore creates a new FileStore instance that writes to filename.
 func NewFileStore(filename string) *FileStore {
 	return &FileStore{
 		logger: &lumberjack.Logger{
@@ -27,6 +30,7 @@ func NewFileStore(filename string) *FileStore {
 	}
 }
 
+// Append saves a new history entry to the file store.
 func (fs *FileStore) Append(ctx context.Context, entry websocket.HistoryEntry) error {
 	data, err := json.Marshal(entry)
 	if err != nil {
@@ -36,10 +40,12 @@ func (fs *FileStore) Append(ctx context.Context, entry websocket.HistoryEntry) e
 	return err
 }
 
+// GetHistory retrieves historical entries from the file store.
 func (fs *FileStore) GetHistory(ctx context.Context, limit int) ([]websocket.HistoryEntry, error) {
 	return fs.Search(ctx, "", limit)
 }
 
+// Search searches for historical entries in the file store matching the query.
 func (fs *FileStore) Search(ctx context.Context, query string, limit int) ([]websocket.HistoryEntry, error) {
 	if limit <= 0 {
 		limit = 50 // Default to a manageable number
@@ -52,7 +58,9 @@ func (fs *FileStore) Search(ctx context.Context, query string, limit int) ([]web
 		}
 		return nil, err
 	}
-	defer file.Close()
+	defer func() {
+		_ = file.Close()
+	}()
 
 	var matchingLines []string
 	scanner := bufio.NewScanner(file)