fix(web): resolve practice/qualifying partial session bug by flagging starting_grid as N/A

internal/query/metadata.go

@@ -1,5 +1,7 @@
 package query
 
+import "strings"
+
 const (
 	DatasetStatusAvailable = "available"
 	DatasetStatusMissing   = "missing"
@@ -20,6 +22,25 @@ type DatasetInfo struct {
 	Count  int    `json:"count,omitempty"`
 }
 
+func skippedNA() DatasetInfo {
+	return DatasetInfo{
+		Status: "skipped",
+		Source: "na",
+		Count:  0,
+	}
+}
+
+func isGridExpected(sessionType, sessionName string) bool {
+	t := strings.ToLower(sessionType)
+	n := strings.ToLower(sessionName)
+	// Grid is only expected on main Sprint or Race sessions, not qualifying, practice, or shootout
+	return (strings.Contains(t, "race") || strings.Contains(n, "race") ||
+		strings.Contains(t, "sprint") || strings.Contains(n, "sprint")) &&
+		!strings.Contains(t, "qualifying") && !strings.Contains(n, "qualifying") &&
+		!strings.Contains(t, "shootout") && !strings.Contains(n, "shootout") &&
+		!strings.Contains(t, "practice") && !strings.Contains(n, "practice")
+}
+
 func availableLocal(count int) DatasetInfo {
 	return DatasetInfo{
 		Status: DatasetStatusAvailable,

internal/query/navigation.go

@@ -64,8 +64,12 @@ func (s *Service) GetWeekend(meetingKey int) (Weekend, error) {
 			return Weekend{}, err
 		}
 		datasets := datasetsFromCounts(true, true, counts)
+		sessionModel := sessionToModel(sess)
+		if datasets["starting_grid"].Status == DatasetStatusMissing && !isGridExpected(sessionModel.SessionType, sessionModel.SessionName) {
+			datasets["starting_grid"] = skippedNA()
+		}
 		out.Sessions = append(out.Sessions, WeekendSession{
-			Session:  sessionToModel(sess),
+			Session:  sessionModel,
 			Source:   responseSource(datasets),
 			Datasets: datasets,
 		})

internal/query/racehub.go

@@ -166,6 +166,8 @@ func (s *Service) GetRaceHub(sessionKey int) (RaceHub, error) {
 		}
 		hub.StartingGrid = enriched
 		hub.Datasets["starting_grid"] = availableLocal(len(enriched))
+	} else if !isGridExpected(sessionModel.SessionType, sessionModel.SessionName) {
+		hub.Datasets["starting_grid"] = skippedNA()
 	}
 
 	stints, err := s.store.ListStints(sessionKey)