fix: preserve OA configuration during database startup

internal/data/business_config_test.go

@@ -0,0 +1,27 @@
+package data
+
+import (
+	"io"
+	"kra/internal/config"
+	"kra/internal/integration/storage"
+	"log/slog"
+	"path/filepath"
+	"testing"
+)
+
+func TestDatabaseStartupPreservesBusinessOAConfiguration(t *testing.T) {
+	runtime := config.NewStore(&config.Config{BusinessOA: &config.BusinessOA{URL: "http://oa.test", Key: "test-only-key"}, Data: &config.Data{Database: &config.Database{Driver: "sqlite", Source: filepath.Join(t.TempDir(), "startup.db")}}, Admin: &config.Admin{Local: &config.Local{StorePath: filepath.Join(t.TempDir(), "uploads")}}})
+	manager, err := storage.NewFileStorage(runtime)
+	if err != nil {
+		t.Fatal(err)
+	}
+	_, cleanup, err := NewData(runtime, slog.New(slog.NewTextHandler(io.Discard, nil)), manager, testCatalog())
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer cleanup()
+	actual := runtime.Snapshot().BusinessOA
+	if actual == nil || actual.URL != "http://oa.test" || actual.Key != "test-only-key" {
+		t.Fatal("database startup discarded the OA service configuration")
+	}
+}