feat(platform): harden telemetry pipeline and unify Semi UI workspaces

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

@@ -4,6 +4,7 @@ import (
 	"bytes"
 	"context"
 	"encoding/json"
+	"errors"
 	"net/http"
 	"net/http/httptest"
 	"regexp"
@@ -15,6 +16,33 @@ import (
 	"github.com/DATA-DOG/go-sqlmock"
 )
 
+func TestAlertSchemaProbeRetriesAfterCanceledRequestAndCachesSuccess(t *testing.T) {
+	db, mock, err := sqlmock.New()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer db.Close()
+	store := NewProductionStore(db, nil, "")
+
+	ctx, cancel := context.WithCancel(context.Background())
+	cancel()
+	if err := store.ensureAlertSchema(ctx); !errors.Is(err, context.Canceled) {
+		t.Fatalf("expected canceled schema probe, got %v", err)
+	}
+
+	mock.ExpectQuery(regexp.QuoteMeta(`SELECT COUNT(*) FROM vehicle_alert_rule`)).
+		WillReturnRows(sqlmock.NewRows([]string{"count"}).AddRow(1))
+	if err := store.ensureAlertSchema(t.Context()); err != nil {
+		t.Fatalf("expected retry to succeed, got %v", err)
+	}
+	if err := store.ensureAlertSchema(t.Context()); err != nil {
+		t.Fatalf("expected successful probe to stay cached, got %v", err)
+	}
+	if err := mock.ExpectationsWereMet(); err != nil {
+		t.Fatal(err)
+	}
+}
+
 type configuredMetricStore struct {
 	*MockStore
 	definitions []MetricDefinition