fix: make render orchestrator teardown safe

test/renderer/retained_underlay_cache.test.cpp

@@ -387,6 +387,8 @@ TEST(RetainedUnderlayRevision, EquivalentIntraFrameRemoveAddDoesNotAdvanceTopolo
     const RetainedUnderlayTopologySnapshot initial{
         .boundary = 32,
         .staticPrefix = {{3, "sea-area-fill", 1}, {31, "clip-outline", 1}},
+        .continuousEndExclusive = std::nullopt,
+        .staticSuffix = {},
     };
     const auto settledRevision = tracker.observe(initial);
 
@@ -404,6 +406,8 @@ TEST(RetainedUnderlayRevision, PersistentTopologyChangeAdvancesOnce) {
     const RetainedUnderlayTopologySnapshot initial{
         .boundary = 32,
         .staticPrefix = {{3, "sea-area-fill", 1}, {31, "clip-outline", 1}},
+        .continuousEndExclusive = std::nullopt,
+        .staticSuffix = {},
     };
     const auto initialRevision = tracker.observe(initial);
 
@@ -419,6 +423,8 @@ TEST(RetainedUnderlayRevision, OrderingAndIndexChangesAdvanceTopology) {
     RetainedUnderlayTopologySnapshot topology{
         .boundary = 32,
         .staticPrefix = {{3, "sea-area-fill", 1}, {31, "clip-outline", 1}},
+        .continuousEndExclusive = std::nullopt,
+        .staticSuffix = {},
     };
     const auto initialRevision = tracker.observe(topology);
 
@@ -992,7 +998,9 @@ TEST(RenderSegmentDiagnostics, ReadinessSnapshotMapsSourcesToSegmentsWithoutSide
                               .contentRevision = 42,
                               .eventType = "TileMutation",
                               .reason = "tile-mutation",
-                              .sourceId = "dynamic"};
+                              .sourceId = "dynamic",
+                              .affectedSegmentIndices = {},
+                              .dependencyScope = "none"};
     state.recordRendererReadiness(readiness);
 
     const auto first = state.renderSegmentSnapshot();