feat(unified): add index scoring model config (#116210)

* feat(unified): add bm25 index scoring model

We want try BM25 scoring model since they have global scoring which we can probably re-use for fan-in/fan-out logic

https://github.com/blevesearch/bleve/blob/32d98823c4b7482c62cc6c847508ed7659c23c37/docs/scoring.md#global-scoring

* fix(plugins): update plugin test data

pkg/storage/unified/sql/test/integration_test.go

@@ -6,6 +6,7 @@ import (
 	"testing"
 	"time"
 
+	index "github.com/blevesearch/bleve_index_api"
 	"github.com/go-jose/go-jose/v4/jwt"
 	"github.com/prometheus/client_golang/prometheus"
 	"github.com/stretchr/testify/require"
@@ -129,21 +130,28 @@ func TestIntegrationSearchAndStorage(t *testing.T) {
 
 	ctx := context.Background()
 
-	// Create a new bleve backend
-	search, err := search.NewBleveBackend(search.BleveOptions{
-		FileThreshold: 0,
-		Root:          t.TempDir(),
-	}, nil)
-	require.NoError(t, err)
-	require.NotNil(t, search)
-	t.Cleanup(search.Stop)
+	scoringModels := []string{index.TFIDFScoring, index.BM25Scoring}
 
-	// Create a new resource backend
-	storage, _ := newTestBackend(t, false, 0)
-	require.NotNil(t, storage)
+	for _, model := range scoringModels {
+		t.Run(model, func(t *testing.T) {
+			// Create a new bleve backend
+			search, err := search.NewBleveBackend(search.BleveOptions{
+				FileThreshold: 0,
+				Root:          t.TempDir(),
+				ScoringModel:  model,
+			}, nil)
+			require.NoError(t, err)
+			require.NotNil(t, search)
+			t.Cleanup(search.Stop)
 
-	// Run the shared storage and search tests
-	unitest.RunTestSearchAndStorage(t, ctx, storage, search)
+			// Create a new resource backend
+			storage, _ := newTestBackend(t, false, 0)
+			require.NotNil(t, storage)
+
+			// Run the shared storage and search tests
+			unitest.RunTestSearchAndStorage(t, ctx, storage, search)
+		})
+	}
 }
 
 func TestClientServer(t *testing.T) {