feat(monitor): retain authorized vehicles without locations

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

@@ -869,6 +869,55 @@ func TestHandlerVehicleRealtimeFiltersServiceStatus(t *testing.T) {
 	}
 }
 
+func TestHandlerVehicleRealtimeKeepsBoundVehiclesWithoutLocation(t *testing.T) {
+	handler := NewHandler(NewService(NewMockStore()))
+	rec := httptest.NewRecorder()
+	req := httptest.NewRequest(http.MethodGet, "/api/realtime/vehicles?status=no_location&limit=10", nil)
+	handler.ServeHTTP(rec, req)
+	if rec.Code != http.StatusOK {
+		t.Fatalf("status = %d body=%s", rec.Code, rec.Body.String())
+	}
+	var body struct {
+		Data struct {
+			Items []VehicleRealtimeRow `json:"items"`
+		} `json:"data"`
+	}
+	if err := json.Unmarshal(rec.Body.Bytes(), &body); err != nil {
+		t.Fatalf("response JSON should decode: %v body=%s", err, rec.Body.String())
+	}
+	if len(body.Data.Items) == 0 {
+		t.Fatalf("no-location filter should retain bound vehicles: %s", rec.Body.String())
+	}
+	for _, item := range body.Data.Items {
+		if item.LocationAvailable {
+			t.Fatalf("no-location result must not contain a located vehicle: %+v", item)
+		}
+	}
+}
+
+func TestHandlerVehicleRealtimeOfflineFilterExcludesNeverReportedVehicles(t *testing.T) {
+	handler := NewHandler(NewService(NewMockStore()))
+	rec := httptest.NewRecorder()
+	req := httptest.NewRequest(http.MethodGet, "/api/realtime/vehicles?online=offline&limit=10", nil)
+	handler.ServeHTTP(rec, req)
+	if rec.Code != http.StatusOK {
+		t.Fatalf("status = %d body=%s", rec.Code, rec.Body.String())
+	}
+	var body struct {
+		Data struct {
+			Items []VehicleRealtimeRow `json:"items"`
+		} `json:"data"`
+	}
+	if err := json.Unmarshal(rec.Body.Bytes(), &body); err != nil {
+		t.Fatalf("response JSON should decode: %v body=%s", err, rec.Body.String())
+	}
+	for _, item := range body.Data.Items {
+		if item.SourceCount == 0 {
+			t.Fatalf("offline means a known source stopped reporting; never-reported vehicles belong to no-location: %+v", item)
+		}
+	}
+}
+
 func TestHandlerVehicleRealtimeAcceptsKeyword(t *testing.T) {
 	handler := NewHandler(NewService(NewMockStore()))
 	rec := httptest.NewRecorder()