replace Redis with an embedded SQLite string->string KV store (group commit, in-tx events, SQL search)

internal/api/storage_helper_test.go

@@ -0,0 +1,19 @@
+package api
+
+import (
+	"path/filepath"
+	"testing"
+
+	"github.com/metazla/meta-core/internal/storage"
+)
+
+// newTestStorage opens a fresh metadata store in the test's temp dir.
+func newTestStorage(t *testing.T) *storage.Client {
+	t.Helper()
+	c := storage.NewClient()
+	if err := c.Connect(filepath.Join(t.TempDir(), "meta-core.db")); err != nil {
+		t.Fatalf("open store: %v", err)
+	}
+	t.Cleanup(func() { _ = c.Close() })
+	return c
+}