diff --git a/src/app/App.tsx b/src/app/App.tsx
index 28c48457..563ccb0c 100644
--- a/src/app/App.tsx
+++ b/src/app/App.tsx
@@ -2913,11 +2913,12 @@ export function App({
     terrainList
   );
   const selectedPath = getSelectedPath(editorState.selection, pathList);
-  const splineCorridorJunctionCandidates = detectSplineCorridorJunctionCandidates({
-    paths: pathList,
-    junctions: editorState.document.splineCorridorJunctions,
-    terrains: terrainList.filter((terrain) => terrain.enabled)
-  });
+  const splineCorridorJunctionCandidates =
+    detectSplineCorridorJunctionCandidates({
+      paths: pathList,
+      junctions: editorState.document.splineCorridorJunctions,
+      terrains: terrainList.filter((terrain) => terrain.enabled)
+    });
   const selectedPathJunctionCandidates =
     selectedPath === null
       ? []
@@ -9769,10 +9770,7 @@ export function App({
 
   const handleTerrainPaintLayerChange = (value: string) => {
     setActiveTerrainPaintLayerIndex(
-      clampTerrainPaintLayerIndex(
-        Number(value),
-        selectedTerrain?.layers.length
-      )
+      clampTerrainPaintLayerIndex(Number(value), selectedTerrain?.layers.length)
     );
   };
 
@@ -10113,7 +10111,9 @@ export function App({
 
   const handleDeleteSplineCorridorJunction = (junctionId: string) => {
     try {
-      store.executeCommand(createDeleteSplineCorridorJunctionCommand(junctionId));
+      store.executeCommand(
+        createDeleteSplineCorridorJunctionCommand(junctionId)
+      );
       setStatusMessage("Deleted spline corridor junction.");
     } catch (error) {
       setStatusMessage(getErrorMessage(error));
@@ -21868,7 +21868,10 @@ export function App({
                     <div className="terrain-layer-list">
                       {selectedTerrain.layers.map((layer, layerIndex) => (
                         <div key={layerIndex} className="form-field">
-                          <label className="label" htmlFor={`terrain-layer-material-${layerIndex}`}>
+                          <label
+                            className="label"
+                            htmlFor={`terrain-layer-material-${layerIndex}`}
+                          >
                             {getTerrainLayerLabel(layerIndex)}
                           </label>
                           <div className="inline-actions">
@@ -21895,7 +21898,9 @@ export function App({
                               type="button"
                               data-testid={`terrain-layer-remove-${layerIndex}`}
                               disabled={layerIndex === 0}
-                              onClick={() => handleDeleteTerrainLayer(layerIndex)}
+                              onClick={() =>
+                                handleDeleteTerrainLayer(layerIndex)
+                              }
                             >
                               Remove
                             </button>
@@ -22865,10 +22870,9 @@ export function App({
                           handlePathRoadChange(
                             {
                               ...selectedPath.road,
-                              heightOffset:
-                                normalizeScenePathRoadHeightOffset(
-                                  Number(event.currentTarget.value)
-                                )
+                              heightOffset: normalizeScenePathRoadHeightOffset(
+                                Number(event.currentTarget.value)
+                              )
                             },
                             "Updated Path road height offset."
                           )
@@ -22922,7 +22926,8 @@ export function App({
                     </label>
                     {(["left", "right"] as const).map((side) => {
                       const edge = selectedPath.road.edges[side];
-                      const edgeLabel = side === "left" ? "Left Edge" : "Right Edge";
+                      const edgeLabel =
+                        side === "left" ? "Left Edge" : "Right Edge";
 
                       return (
                         <div className="form-section" key={side}>
@@ -23094,10 +23099,7 @@ export function App({
                           {selectedPathJunctionCandidates
                             .slice(0, 6)
                             .map((candidate, candidateIndex) => (
-                              <div
-                                className="compact-card"
-                                key={candidate.id}
-                              >
+                              <div className="compact-card" key={candidate.id}>
                                 <div className="compact-card__header">
                                   <strong>
                                     Candidate {candidateIndex + 1}
@@ -23292,11 +23294,13 @@ export function App({
                                       handleSplineCorridorJunctionChange(
                                         createSplineCorridorJunction({
                                           ...junction,
-                                          edge: createScenePathRoadEdgeSettings({
-                                            ...junction.edge,
-                                            enabled:
-                                              event.currentTarget.checked
-                                          })
+                                          edge: createScenePathRoadEdgeSettings(
+                                            {
+                                              ...junction.edge,
+                                              enabled:
+                                                event.currentTarget.checked
+                                            }
+                                          )
                                         }),
                                         event.currentTarget.checked
                                           ? "Enabled spline corridor junction edge."
@@ -23315,11 +23319,13 @@ export function App({
                                       handleSplineCorridorJunctionChange(
                                         createSplineCorridorJunction({
                                           ...junction,
-                                          edge: createScenePathRoadEdgeSettings({
-                                            ...junction.edge,
-                                            collisionEnabled:
-                                              event.currentTarget.checked
-                                          })
+                                          edge: createScenePathRoadEdgeSettings(
+                                            {
+                                              ...junction.edge,
+                                              collisionEnabled:
+                                                event.currentTarget.checked
+                                            }
+                                          )
                                         }),
                                         event.currentTarget.checked
                                           ? "Enabled spline corridor junction edge collision."
@@ -23338,12 +23344,14 @@ export function App({
                                       handleSplineCorridorJunctionChange(
                                         createSplineCorridorJunction({
                                           ...junction,
-                                          edge: createScenePathRoadEdgeSettings({
-                                            ...junction.edge,
-                                            kind: normalizeScenePathRoadEdgeKind(
-                                              event.currentTarget.value
-                                            )
-                                          })
+                                          edge: createScenePathRoadEdgeSettings(
+                                            {
+                                              ...junction.edge,
+                                              kind: normalizeScenePathRoadEdgeKind(
+                                                event.currentTarget.value
+                                              )
+                                            }
+                                          )
                                         }),
                                         "Updated spline corridor junction edge profile."
                                       )
@@ -23370,12 +23378,17 @@ export function App({
                                       handleSplineCorridorJunctionChange(
                                         createSplineCorridorJunction({
                                           ...junction,
-                                          edge: createScenePathRoadEdgeSettings({
-                                            ...junction.edge,
-                                            width: normalizeScenePathRoadEdgeWidth(
-                                              Number(event.currentTarget.value)
-                                            )
-                                          })
+                                          edge: createScenePathRoadEdgeSettings(
+                                            {
+                                              ...junction.edge,
+                                              width:
+                                                normalizeScenePathRoadEdgeWidth(
+                                                  Number(
+                                                    event.currentTarget.value
+                                                  )
+                                                )
+                                            }
+                                          )
                                         }),
                                         "Updated spline corridor junction edge width."
                                       )
@@ -23395,15 +23408,17 @@ export function App({
                                       handleSplineCorridorJunctionChange(
                                         createSplineCorridorJunction({
                                           ...junction,
-                                          edge: createScenePathRoadEdgeSettings({
-                                            ...junction.edge,
-                                            height:
-                                              normalizeScenePathRoadEdgeHeight(
-                                                Number(
-                                                  event.currentTarget.value
+                                          edge: createScenePathRoadEdgeSettings(
+                                            {
+                                              ...junction.edge,
+                                              height:
+                                                normalizeScenePathRoadEdgeHeight(
+                                                  Number(
+                                                    event.currentTarget.value
+                                                  )
                                                 )
-                                              )
-                                          })
+                                            }
+                                          )
                                         }),
                                         "Updated spline corridor junction edge height."
                                       )
@@ -23420,13 +23435,15 @@ export function App({
                                       handleSplineCorridorJunctionChange(
                                         createSplineCorridorJunction({
                                           ...junction,
-                                          edge: createScenePathRoadEdgeSettings({
-                                            ...junction.edge,
-                                            materialId:
-                                              normalizeScenePathRoadEdgeMaterialId(
-                                                event.currentTarget.value
-                                              )
-                                          })
+                                          edge: createScenePathRoadEdgeSettings(
+                                            {
+                                              ...junction.edge,
+                                              materialId:
+                                                normalizeScenePathRoadEdgeMaterialId(
+                                                  event.currentTarget.value
+                                                )
+                                            }
+                                          )
                                         }),
                                         "Updated spline corridor junction edge material."
                                       )
@@ -23904,8 +23921,8 @@ export function App({
                       Edit authored point positions directly. Keep at least{" "}
                       {MIN_SCENE_PATH_POINT_COUNT} points. <code>Shift+W</code>{" "}
                       adds a point after the selected control point, or appends
-                      to the end when the whole path is selected. When a point is
-                      selected, <code>Shift+D</code> adds one and starts grab
+                      to the end when the whole path is selected. When a point
+                      is selected, <code>Shift+D</code> adds one and starts grab
                       mode.
                     </div>
                     {selectedPathPointIndex === null ? null : (
@@ -29382,8 +29399,7 @@ export function App({
                                   updateCustomMaterial(
                                     materialInspectorCustomMaterial,
                                     {
-                                      albedoColorHex:
-                                        event.currentTarget.value,
+                                      albedoColorHex: event.currentTarget.value,
                                       swatchColorHex: event.currentTarget.value
                                     },
                                     "Update material albedo"
diff --git a/src/app/app.css b/src/app/app.css
index eb03bdcc..b5a74177 100644
--- a/src/app/app.css
+++ b/src/app/app.css
@@ -854,8 +854,11 @@ button:disabled {
 }
 
 .material-item__preview--default {
-  background:
-    linear-gradient(135deg, rgba(255, 255, 255, 0.92), rgba(230, 235, 239, 0.98));
+  background: linear-gradient(
+    135deg,
+    rgba(255, 255, 255, 0.92),
+    rgba(230, 235, 239, 0.98)
+  );
 }
 
 .material-item__text {
@@ -1824,11 +1827,7 @@ button:disabled {
       rgba(255, 255, 255, 0.22),
       transparent 46%
     ),
-    linear-gradient(
-      180deg,
-      rgba(255, 255, 255, 0.12),
-      rgba(244, 246, 250, 0.2)
-    );
+    linear-gradient(180deg, rgba(255, 255, 255, 0.12), rgba(244, 246, 250, 0.2));
   backdrop-filter: blur(12px) saturate(0.72);
 }
 
diff --git a/src/assets/image-assets.ts b/src/assets/image-assets.ts
index 4474d4a7..08c90cca 100644
--- a/src/assets/image-assets.ts
+++ b/src/assets/image-assets.ts
@@ -14,7 +14,11 @@ import {
   getStarterEnvironmentTextureUrl,
   isStarterEnvironmentImageAsset
 } from "./starter-environment-assets";
-import { createProjectAssetStorageKey, type ImageAssetMetadata, type ImageAssetRecord } from "./project-assets";
+import {
+  createProjectAssetStorageKey,
+  type ImageAssetMetadata,
+  type ImageAssetRecord
+} from "./project-assets";
 import {
   type ProjectAssetStorage,
   type ProjectAssetStorageFileRecord,
@@ -49,7 +53,10 @@ function getFileExtension(sourceName: string): string {
   return match === null ? "" : match[1].toLowerCase();
 }
 
-function inferImageMimeType(sourceName: string, fallbackMimeType: string): string {
+function inferImageMimeType(
+  sourceName: string,
+  fallbackMimeType: string
+): string {
   if (fallbackMimeType.trim().startsWith("image/")) {
     return fallbackMimeType.trim();
   }
@@ -73,7 +80,9 @@ function inferImageMimeType(sourceName: string, fallbackMimeType: string): strin
     case "webp":
       return "image/webp";
     default:
-      throw new Error(`Unsupported image asset format for ${sourceName}. Use a browser-supported image file or .exr/.hdr.`);
+      throw new Error(
+        `Unsupported image asset format for ${sourceName}. Use a browser-supported image file or .exr/.hdr.`
+      );
   }
 }
 
@@ -83,27 +92,45 @@ function isHdrFormat(sourceName: string): boolean {
 }
 
 function getImportedFilePath(file: File): string {
-  const relativePath = typeof file.webkitRelativePath === "string" ? file.webkitRelativePath.trim() : "";
+  const relativePath =
+    typeof file.webkitRelativePath === "string"
+      ? file.webkitRelativePath.trim()
+      : "";
   const sourcePath = relativePath.length > 0 ? relativePath : file.name.trim();
   return sourcePath.replace(/\\/gu, "/");
 }
 
-function createDataUrlForStoredFile(file: ProjectAssetStorageFileRecord): string {
+function createDataUrlForStoredFile(
+  file: ProjectAssetStorageFileRecord
+): string {
   const byteArray = new Uint8Array(file.bytes);
   let binary = "";
   const chunkSize = 0x8000;
 
   for (let index = 0; index < byteArray.length; index += chunkSize) {
-    binary += String.fromCharCode(...byteArray.subarray(index, index + chunkSize));
+    binary += String.fromCharCode(
+      ...byteArray.subarray(index, index + chunkSize)
+    );
   }
 
-  const base64 = typeof btoa === "function" ? btoa(binary) : Buffer.from(file.bytes).toString("base64");
+  const base64 =
+    typeof btoa === "function"
+      ? btoa(binary)
+      : Buffer.from(file.bytes).toString("base64");
   return `data:${file.mimeType};base64,${base64}`;
 }
 
-function createTransientResourceUrl(file: ProjectAssetStorageFileRecord): { revoke: () => void; url: string } {
-  if (typeof URL.createObjectURL === "function" && typeof Blob !== "undefined") {
-    const objectUrl = URL.createObjectURL(new Blob([file.bytes], { type: file.mimeType }));
+function createTransientResourceUrl(file: ProjectAssetStorageFileRecord): {
+  revoke: () => void;
+  url: string;
+} {
+  if (
+    typeof URL.createObjectURL === "function" &&
+    typeof Blob !== "undefined"
+  ) {
+    const objectUrl = URL.createObjectURL(
+      new Blob([file.bytes], { type: file.mimeType })
+    );
 
     return {
       url: objectUrl,
@@ -155,8 +182,14 @@ function loadImageElement(sourceUrl: string): Promise<HTMLImageElement> {
 
 function detectImageHasAlpha(image: HTMLImageElement): boolean {
   const canvas = document.createElement("canvas");
-  const sampleWidth = Math.max(1, Math.min(64, image.naturalWidth || image.width));
-  const sampleHeight = Math.max(1, Math.min(64, image.naturalHeight || image.height));
+  const sampleWidth = Math.max(
+    1,
+    Math.min(64, image.naturalWidth || image.width)
+  );
+  const sampleHeight = Math.max(
+    1,
+    Math.min(64, image.naturalHeight || image.height)
+  );
   const context = canvas.getContext("2d", {
     willReadFrequently: true
   });
@@ -191,7 +224,12 @@ function extractImageAssetMetadata(
   const width = image.naturalWidth || image.width;
   const height = image.naturalHeight || image.height;
 
-  if (!Number.isFinite(width) || width <= 0 || !Number.isFinite(height) || height <= 0) {
+  if (
+    !Number.isFinite(width) ||
+    width <= 0 ||
+    !Number.isFinite(height) ||
+    height <= 0
+  ) {
     throw new Error("Imported image assets must have measurable dimensions.");
   }
 
@@ -199,7 +237,9 @@ function extractImageAssetMetadata(
   const aspectRatio = width / height;
 
   if (options.backgroundWarnings && Math.abs(aspectRatio - 2) > 0.15) {
-    warnings.push("Background images work best as a 2:1 equirectangular panorama.");
+    warnings.push(
+      "Background images work best as a 2:1 equirectangular panorama."
+    );
   }
 
   return {
@@ -217,7 +257,9 @@ function extractHdrTextureMetadata(texture: DataTexture): ImageAssetMetadata {
   const warnings: string[] = [];
 
   if (Math.abs(width / height - 2) > 0.15) {
-    warnings.push("Background images work best as a 2:1 equirectangular panorama.");
+    warnings.push(
+      "Background images work best as a 2:1 equirectangular panorama."
+    );
   }
 
   return { kind: "image", width, height, hasAlpha: false, warnings };
@@ -395,7 +437,10 @@ async function loadImageAssetFromPackageRecord(
         : createTransientResourceUrl(previewFileRecord);
 
     try {
-      const texture = await loadHdrTexture(transientResourceUrl.url, asset.sourceName);
+      const texture = await loadHdrTexture(
+        transientResourceUrl.url,
+        asset.sourceName
+      );
       return createLoadedHdrImageAsset(
         asset,
         texture,
@@ -413,7 +458,9 @@ async function loadImageAssetFromPackageRecord(
       if (previewResourceUrl !== transientResourceUrl) {
         previewResourceUrl.revoke();
       }
-      throw new Error(`Image asset reload failed for ${asset.sourceName}: ${getErrorDetail(error)}`);
+      throw new Error(
+        `Image asset reload failed for ${asset.sourceName}: ${getErrorDetail(error)}`
+      );
     }
   }
 
@@ -428,7 +475,9 @@ async function loadImageAssetFromPackageRecord(
     );
   } catch (error) {
     transientResourceUrl.revoke();
-    throw new Error(`Image asset reload failed for ${asset.sourceName}: ${getErrorDetail(error)}`);
+    throw new Error(
+      `Image asset reload failed for ${asset.sourceName}: ${getErrorDetail(error)}`
+    );
   }
 }
 
@@ -452,11 +501,18 @@ export async function importBackgroundImageAssetFromFile(
       texture = await loadHdrTexture(transientResourceUrl.url, sourceName);
     } catch (error) {
       transientResourceUrl.revoke();
-      throw new Error(`Image import failed for ${sourceName}: ${getErrorDetail(error)}`);
+      throw new Error(
+        `Image import failed for ${sourceName}: ${getErrorDetail(error)}`
+      );
     }
 
     const metadata = extractHdrTextureMetadata(texture);
-    asset = createImageAssetRecord(sourceName, mimeType, bytes.byteLength, metadata);
+    asset = createImageAssetRecord(
+      sourceName,
+      mimeType,
+      bytes.byteLength,
+      metadata
+    );
     loadedAsset = createLoadedHdrImageAsset(
       asset,
       texture,
@@ -472,11 +528,18 @@ export async function importBackgroundImageAssetFromFile(
       image = await loadImageElement(transientResourceUrl.url);
     } catch (error) {
       transientResourceUrl.revoke();
-      throw new Error(`Image import failed for ${sourceName}: ${getErrorDetail(error)}`);
+      throw new Error(
+        `Image import failed for ${sourceName}: ${getErrorDetail(error)}`
+      );
     }
 
     const metadata = extractImageAssetMetadata(image);
-    asset = createImageAssetRecord(sourceName, mimeType, bytes.byteLength, metadata);
+    asset = createImageAssetRecord(
+      sourceName,
+      mimeType,
+      bytes.byteLength,
+      metadata
+    );
     loadedAsset = createLoadedImageAsset(
       asset,
       image,
@@ -576,11 +639,15 @@ export async function loadImageAssetFromStorage(
   try {
     storedAsset = await storage.getAsset(asset.storageKey);
   } catch (error) {
-    throw new Error(`Image asset reload failed for ${asset.sourceName}: ${getErrorDetail(error)}`);
+    throw new Error(
+      `Image asset reload failed for ${asset.sourceName}: ${getErrorDetail(error)}`
+    );
   }
 
   if (storedAsset === null) {
-    throw new Error(`Missing stored binary data for imported image asset ${asset.sourceName}.`);
+    throw new Error(
+      `Missing stored binary data for imported image asset ${asset.sourceName}.`
+    );
   }
 
   return loadImageAssetFromPackageRecord(asset, storedAsset);
diff --git a/src/commands/create-custom-material-command.ts b/src/commands/create-custom-material-command.ts
index c3a1230c..7e41440d 100644
--- a/src/commands/create-custom-material-command.ts
+++ b/src/commands/create-custom-material-command.ts
@@ -43,7 +43,9 @@ export function createCreateCustomMaterialCommand(
       const currentDocument = context.getDocument();
 
       if (nextMaterial.kind !== "custom") {
-        throw new Error("Only custom materials can be created by this command.");
+        throw new Error(
+          "Only custom materials can be created by this command."
+        );
       }
 
       if (currentDocument.materials[nextMaterial.id] !== undefined) {
diff --git a/src/commands/set-custom-material-texture-command.ts b/src/commands/set-custom-material-texture-command.ts
index d44e3089..985acaaf 100644
--- a/src/commands/set-custom-material-texture-command.ts
+++ b/src/commands/set-custom-material-texture-command.ts
@@ -42,7 +42,9 @@ export function createSetCustomMaterialTextureCommand(
       }
 
       if (options.asset !== undefined && options.asset.id !== options.assetId) {
-        throw new Error("Imported material texture asset id must match assetId.");
+        throw new Error(
+          "Imported material texture asset id must match assetId."
+        );
       }
 
       const existingAsset =
diff --git a/src/commands/update-custom-material-command.ts b/src/commands/update-custom-material-command.ts
index 2cdc362c..e9e78fd3 100644
--- a/src/commands/update-custom-material-command.ts
+++ b/src/commands/update-custom-material-command.ts
@@ -50,7 +50,9 @@ export function createUpdateCustomMaterialCommand(
       }
 
       if (previousMaterial === null) {
-        previousMaterial = cloneMaterialDef(currentMaterial) as CustomMaterialDef;
+        previousMaterial = cloneMaterialDef(
+          currentMaterial
+        ) as CustomMaterialDef;
       }
 
       const nextAlbedoColorHex =
diff --git a/src/document/migrate-scene-document.ts b/src/document/migrate-scene-document.ts
index 557e98e9..608605b8 100644
--- a/src/document/migrate-scene-document.ts
+++ b/src/document/migrate-scene-document.ts
@@ -6109,11 +6109,7 @@ function readSplineCorridorJunctionConnectionValue(
     pathId: expectString(value.pathId, `${label}.pathId`),
     progress: readOptionalFiniteNumber(value.progress, `${label}.progress`, 0),
     clipDistance: normalizeSplineCorridorJunctionClipDistance(
-      readOptionalFiniteNumber(
-        value.clipDistance,
-        `${label}.clipDistance`,
-        1.5
-      )
+      readOptionalFiniteNumber(value.clipDistance, `${label}.clipDistance`, 1.5)
     )
   };
 }
@@ -6162,7 +6158,11 @@ function readSplineCorridorJunctionValue(
         ? undefined
         : isSplineCorridorJunctionShapeMode(value.shapeMode)
           ? normalizeSplineCorridorJunctionShapeMode(value.shapeMode)
-          : expectLiteralString(value.shapeMode, "straight", `${label}.shapeMode`),
+          : expectLiteralString(
+              value.shapeMode,
+              "straight",
+              `${label}.shapeMode`
+            ),
     edge: readScenePathRoadEdgeSettingsValue(value.edge, `${label}.edge`),
     connections: value.connections.map((connectionValue, index) =>
       readSplineCorridorJunctionConnectionValue(
diff --git a/src/rendering/terrain-layer-material.ts b/src/rendering/terrain-layer-material.ts
index 3e4f6c15..cc02fb87 100644
--- a/src/rendering/terrain-layer-material.ts
+++ b/src/rendering/terrain-layer-material.ts
@@ -69,7 +69,9 @@ export function getTerrainLayerTexture(
     : (textureLookup(material) ?? getFallbackTerrainLayerTexture());
 }
 
-export function getTerrainLayerPreviewColor(material: MaterialDef | null): number {
+export function getTerrainLayerPreviewColor(
+  material: MaterialDef | null
+): number {
   return material === null
     ? new Color("#aea79a").getHex()
     : new Color(material.swatchColorHex).getHex();
@@ -86,7 +88,9 @@ function createPaddedTerrainLayerTextures(
   );
 }
 
-function createPaddedTerrainLayerColors(layerColors: readonly number[]): Color[] {
+function createPaddedTerrainLayerColors(
+  layerColors: readonly number[]
+): Color[] {
   const fallbackColor = getTerrainLayerPreviewColor(null);
 
   return Array.from(
diff --git a/src/runtime-three/runtime-host.ts b/src/runtime-three/runtime-host.ts
index 57c5bc7e..94d449b3 100644
--- a/src/runtime-three/runtime-host.ts
+++ b/src/runtime-three/runtime-host.ts
@@ -4341,7 +4341,10 @@ export class RuntimeHost {
   }
 
   private createRuntimeRoadSurfaceMaterial(path: RuntimePath): Material {
-    return this.createRuntimeRoadGeneratedMaterial(path.road.material, 0x5f5747);
+    return this.createRuntimeRoadGeneratedMaterial(
+      path.road.material,
+      0x5f5747
+    );
   }
 
   private createRuntimeRoadEdgeMaterial(