fix(platform): return empty history for missing tdengine tables

vehicle-data-platform/apps/api/internal/platform/production_store.go

@@ -514,6 +514,14 @@ func parseFloatString(value string) float64 {
 	return parsed
 }
 
+func isTDengineTableNotExist(err error) bool {
+	if err == nil {
+		return false
+	}
+	message := strings.ToLower(err.Error())
+	return strings.Contains(message, "table does not exist") || strings.Contains(message, "fail to get table info")
+}
+
 func (s *ProductionStore) HistoryLocations(ctx context.Context, query url.Values) (Page[HistoryLocationRow], error) {
 	realtime, err := s.RealtimeLocations(ctx, query)
 	if err != nil {
@@ -550,11 +558,17 @@ func (s *ProductionStore) HistoryLocationsFromTDengine(ctx context.Context, quer
 	total := 0
 	if built.CountText != "" {
 		if err := s.tdengine.QueryRowContext(ctx, built.CountText, built.CountArgs...).Scan(&total); err != nil {
+			if isTDengineTableNotExist(err) {
+				return Page[HistoryLocationRow]{Items: []HistoryLocationRow{}, Total: 0, Limit: limit, Offset: offset}, nil
+			}
 			return Page[HistoryLocationRow]{}, err
 		}
 	}
 	rows, err := s.tdengine.QueryContext(ctx, built.Text, built.Args...)
 	if err != nil {
+		if isTDengineTableNotExist(err) {
+			return Page[HistoryLocationRow]{Items: []HistoryLocationRow{}, Total: 0, Limit: limit, Offset: offset}, nil
+		}
 		return Page[HistoryLocationRow]{}, err
 	}
 	defer rows.Close()

vehicle-data-platform/apps/api/internal/platform/production_store_test.go

@@ -1,6 +1,7 @@
 package platform
 
 import (
+	"errors"
 	"strings"
 	"testing"
 )
@@ -24,6 +25,16 @@ func TestBuildVehicleServiceOverviewBatchSQLUsesFuzzyKeywordMatching(t *testing.
 	}
 }
 
+func TestTDengineTableNotExistErrorIsRecognized(t *testing.T) {
+	err := errors.New("[0x2603] Fail to get table info, error: Table does not exist")
+	if !isTDengineTableNotExist(err) {
+		t.Fatalf("TDengine table-not-exist error should be recognized: %v", err)
+	}
+	if isTDengineTableNotExist(errors.New("connection refused")) {
+		t.Fatalf("unrelated errors should not be treated as empty table results")
+	}
+}
+
 func TestVehicleServiceOverviewMatchesPartialKeyword(t *testing.T) {
 	overview := VehicleServiceOverview{
 		VIN:   "LB9A32A24R0LS1426",