diff --git a/spinifex/services/spinifexui/frontend/.oxlintrc.json b/spinifex/services/spinifexui/frontend/.oxlintrc.json
index e3a31bde8..6a8a691c9 100644
--- a/spinifex/services/spinifexui/frontend/.oxlintrc.json
+++ b/spinifex/services/spinifexui/frontend/.oxlintrc.json
@@ -39,7 +39,6 @@
     "promise/prefer-await-to-callbacks": "off",
     "react-perf/jsx-no-new-function-as-prop": "off",
     "typescript/no-confusing-void-expression": "off",
-    "typescript/prefer-nullish-coalescing": "off",
     "typescript/return-await": "off",
     "typescript/no-floating-promises": "off",
     "typescript/strict-boolean-expressions": "off",
diff --git a/spinifex/services/spinifexui/frontend/src/components/detail-row.tsx b/spinifex/services/spinifexui/frontend/src/components/detail-row.tsx
index 3d4c20a76..44e4e15e7 100644
--- a/spinifex/services/spinifexui/frontend/src/components/detail-row.tsx
+++ b/spinifex/services/spinifexui/frontend/src/components/detail-row.tsx
@@ -11,6 +11,7 @@ export function DetailRow({
     <div>
       <dt className="text-sm text-muted-foreground">{label}</dt>
       <dd className="mt-1 font-mono text-sm">
+        {/* oxlint-disable-next-line typescript/prefer-nullish-coalescing */}
         {value || <span className="text-muted-foreground">—</span>}
       </dd>
     </div>
diff --git a/spinifex/services/spinifexui/frontend/src/mutations/ec2.ts b/spinifex/services/spinifexui/frontend/src/mutations/ec2.ts
index a34538383..bf0f1999e 100644
--- a/spinifex/services/spinifexui/frontend/src/mutations/ec2.ts
+++ b/spinifex/services/spinifexui/frontend/src/mutations/ec2.ts
@@ -117,6 +117,7 @@ export function useCreateInstance() {
         KeyName: params.keyName,
         MinCount: params.count,
         MaxCount: params.count,
+        // oxlint-disable-next-line typescript/prefer-nullish-coalescing
         SubnetId: params.subnetId || undefined,
       })
       return getEc2Client().send(command)
@@ -232,6 +233,7 @@ export function useCreateSnapshot() {
     mutationFn: (params: CreateSnapshotFormData) => {
       const command = new CreateSnapshotCommand({
         VolumeId: params.volumeId,
+        // oxlint-disable-next-line typescript/prefer-nullish-coalescing
         Description: params.description || undefined,
       })
       return getEc2Client().send(command)
@@ -264,6 +266,7 @@ export function useCopySnapshot() {
       const command = new CopySnapshotCommand({
         SourceSnapshotId: params.sourceSnapshotId,
         SourceRegion: params.sourceRegion,
+        // oxlint-disable-next-line typescript/prefer-nullish-coalescing
         Description: params.description || undefined,
       })
       return getEc2Client().send(command)
@@ -281,6 +284,7 @@ export function useAttachVolume() {
       const command = new AttachVolumeCommand({
         VolumeId: params.volumeId,
         InstanceId: params.instanceId,
+        // oxlint-disable-next-line typescript/prefer-nullish-coalescing
         Device: params.device || undefined,
       })
       return getEc2Client().send(command)
@@ -298,6 +302,7 @@ export function useDetachVolume() {
     mutationFn: (params: DetachVolumeFormData) => {
       const command = new DetachVolumeCommand({
         VolumeId: params.volumeId,
+        // oxlint-disable-next-line typescript/prefer-nullish-coalescing
         InstanceId: params.instanceId || undefined,
         Force: params.force,
       })
@@ -347,6 +352,7 @@ export function useCreateImage() {
       const command = new CreateImageCommand({
         InstanceId: params.instanceId,
         Name: params.name,
+        // oxlint-disable-next-line typescript/prefer-nullish-coalescing
         Description: params.description || undefined,
       })
       return getEc2Client().send(command)
@@ -402,6 +408,7 @@ export function useCreateSubnet() {
       const command = new CreateSubnetCommand({
         VpcId: params.vpcId,
         CidrBlock: params.cidrBlock,
+        // oxlint-disable-next-line typescript/prefer-nullish-coalescing
         AvailabilityZone: params.availabilityZone || undefined,
       })
       return getEc2Client().send(command)
diff --git a/spinifex/services/spinifexui/frontend/src/mutations/iam.ts b/spinifex/services/spinifexui/frontend/src/mutations/iam.ts
index c0498053a..f688a6911 100644
--- a/spinifex/services/spinifexui/frontend/src/mutations/iam.ts
+++ b/spinifex/services/spinifexui/frontend/src/mutations/iam.ts
@@ -26,6 +26,7 @@ export function useCreateUser() {
     mutationFn: (params: CreateUserFormData) => {
       const command = new CreateUserCommand({
         UserName: params.userName,
+        // oxlint-disable-next-line typescript/prefer-nullish-coalescing
         Path: params.path || undefined,
       })
       return getIamClient().send(command)
@@ -101,6 +102,7 @@ export function useCreatePolicy() {
     mutationFn: (params: CreatePolicyFormData) => {
       const command = new CreatePolicyCommand({
         PolicyName: params.policyName,
+        // oxlint-disable-next-line typescript/prefer-nullish-coalescing
         Description: params.description || undefined,
         PolicyDocument: params.policyDocument,
       })
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(images)/describe-images/index.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(images)/describe-images/index.tsx
index 6940c7763..9bc625755 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(images)/describe-images/index.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(images)/describe-images/index.tsx
@@ -24,7 +24,7 @@ export const Route = createFileRoute("/_auth/ec2/(images)/describe-images/")({
 function Images() {
   const { data } = useSuspenseQuery(ec2ImagesQueryOptions)
 
-  const images = data.Images || []
+  const images = data.Images ?? []
 
   return (
     <>
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/describe-instances/$id.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/describe-instances/$id.tsx
index dbb3af699..a53d08bb2 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/describe-instances/$id.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/describe-instances/$id.tsx
@@ -247,11 +247,13 @@ function InstanceDetail() {
         </DetailCard>
 
         {/* Network & Security */}
+        {/* oxlint-disable typescript/prefer-nullish-coalescing */}
         {(instance.PrivateIpAddress ||
           instance.PublicIpAddress ||
           instance.VpcId ||
           instance.SubnetId ||
           (instance.SecurityGroups && instance.SecurityGroups.length > 0)) && (
+          /* oxlint-enable typescript/prefer-nullish-coalescing */
           <DetailCard>
             <DetailCard.Header>Network & Security</DetailCard.Header>
             <DetailCard.Content>
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/describe-instances/index.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/describe-instances/index.tsx
index 8a4ba5878..612ae0bb1 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/describe-instances/index.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/describe-instances/index.tsx
@@ -38,8 +38,8 @@ function Ec2() {
 
   const instances = (
     data.Reservations?.flatMap(
-      (reservation: Reservation) => reservation.Instances || [],
-    ) || []
+      (reservation: Reservation) => reservation.Instances ?? [],
+    ) ?? []
   ).toSorted((a, b) => {
     const pa = statePriority[a.State?.Name ?? ""] ?? 6
     const pb = statePriority[b.State?.Name ?? ""] ?? 6
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/run-instances.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/run-instances.tsx
index 4080a5219..f663a2e0b 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/run-instances.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(instances)/run-instances.tsx
@@ -60,7 +60,7 @@ function CreateInstance() {
   for (const type of instanceTypesData.InstanceTypes ?? []) {
     const typeName = type.InstanceType
     if (typeName) {
-      instanceTypeCounts[typeName] = (instanceTypeCounts[typeName] || 0) + 1
+      instanceTypeCounts[typeName] = (instanceTypeCounts[typeName] ?? 0) + 1
     }
   }
 
@@ -151,7 +151,7 @@ function CreateInstance() {
                   >
                     <SelectValue>
                       {selectedImage
-                        ? `${selectedImage.Name || "Unnamed"} (${selectedImage.Architecture})`
+                        ? `${selectedImage.Name ?? "Unnamed"} (${selectedImage.Architecture})`
                         : ""}
                     </SelectValue>
                   </SelectTrigger>
@@ -161,7 +161,7 @@ function CreateInstance() {
                         key={image.ImageId}
                         value={image.ImageId ?? ""}
                       >
-                        {image.Name || "Unnamed"} ({image.Architecture})
+                        {image.Name ?? "Unnamed"} ({image.Architecture})
                       </SelectItem>
                     ))}
                   </SelectContent>
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(key)/describe-key-pairs/$id.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(key)/describe-key-pairs/$id.tsx
index 4ed4c684f..08a118da1 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(key)/describe-key-pairs/$id.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(key)/describe-key-pairs/$id.tsx
@@ -106,7 +106,7 @@ function KeyPairDetail() {
               {keyPair.Tags.map((tag) => (
                 <DetailRow
                   key={tag.Key}
-                  label={tag.Key || ""}
+                  label={tag.Key ?? ""}
                   value={tag.Value}
                 />
               ))}
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(key)/describe-key-pairs/index.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(key)/describe-key-pairs/index.tsx
index 4c2bc18d9..254b0031c 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(key)/describe-key-pairs/index.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(key)/describe-key-pairs/index.tsx
@@ -24,7 +24,7 @@ export const Route = createFileRoute("/_auth/ec2/(key)/describe-key-pairs/")({
 function KeyPairs() {
   const { data } = useSuspenseQuery(ec2KeyPairsQueryOptions)
 
-  const keyPairs = (data.KeyPairs || []).toSorted((a, b) => {
+  const keyPairs = (data.KeyPairs ?? []).toSorted((a, b) => {
     const nameA = a.KeyName?.toLowerCase() ?? ""
     const nameB = b.KeyName?.toLowerCase() ?? ""
     return nameA.localeCompare(nameB)
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(snapshots)/describe-snapshots/index.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(snapshots)/describe-snapshots/index.tsx
index 7fd022493..ed32657d6 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(snapshots)/describe-snapshots/index.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(snapshots)/describe-snapshots/index.tsx
@@ -27,7 +27,7 @@ export const Route = createFileRoute(
 function Snapshots() {
   const { data } = useSuspenseQuery(ec2SnapshotsQueryOptions)
 
-  const snapshots = data.Snapshots || []
+  const snapshots = data.Snapshots ?? []
 
   return (
     <>
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(subnet)/create-subnet.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(subnet)/create-subnet.tsx
index 946715274..21c8bfb9d 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(subnet)/create-subnet.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(subnet)/create-subnet.tsx
@@ -152,7 +152,7 @@ function CreateSubnet() {
                 onValueChange={(value) =>
                   field.onChange(value === "none" ? "" : value)
                 }
-                value={field.value || "none"}
+                value={field.value ?? "none"}
               >
                 <SelectTrigger className="w-full" id="availabilityZone">
                   <SelectValue />
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(subnet)/describe-subnets/index.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(subnet)/describe-subnets/index.tsx
index 8872cce7b..fc77b50f6 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(subnet)/describe-subnets/index.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(subnet)/describe-subnets/index.tsx
@@ -26,7 +26,7 @@ export const Route = createFileRoute("/_auth/ec2/(subnet)/describe-subnets/")({
 function Subnets() {
   const { data } = useSuspenseQuery(ec2SubnetsQueryOptions)
 
-  const subnets = data.Subnets || []
+  const subnets = data.Subnets ?? []
 
   return (
     <>
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(volumes)/describe-volumes/$id.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(volumes)/describe-volumes/$id.tsx
index 58d964025..181a2f831 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(volumes)/describe-volumes/$id.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(volumes)/describe-volumes/$id.tsx
@@ -113,7 +113,7 @@ function VolumeDetail() {
     try {
       await detachMutation.mutateAsync({
         volumeId: id,
-        instanceId: instanceId || undefined,
+        instanceId: instanceId ?? undefined,
         force: detachForce || undefined,
       })
       closeDialog()
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(volumes)/describe-volumes/index.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(volumes)/describe-volumes/index.tsx
index 7ef7a6d10..a0b5d9028 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(volumes)/describe-volumes/index.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(volumes)/describe-volumes/index.tsx
@@ -25,7 +25,7 @@ export const Route = createFileRoute("/_auth/ec2/(volumes)/describe-volumes/")({
 function Volumes() {
   const { data } = useSuspenseQuery(ec2VolumesQueryOptions)
 
-  const volumes = data.Volumes || []
+  const volumes = data.Volumes ?? []
 
   return (
     <>
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(vpc)/describe-vpcs/index.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(vpc)/describe-vpcs/index.tsx
index 4d4dc38a8..8222daf52 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(vpc)/describe-vpcs/index.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/(vpc)/describe-vpcs/index.tsx
@@ -26,7 +26,7 @@ export const Route = createFileRoute("/_auth/ec2/(vpc)/describe-vpcs/")({
 function Vpcs() {
   const { data } = useSuspenseQuery(ec2VpcsQueryOptions)
 
-  const vpcs = data.Vpcs || []
+  const vpcs = data.Vpcs ?? []
 
   return (
     <>
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/-components/ami-details.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/-components/ami-details.tsx
index f1d035101..a11aa1b8f 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/-components/ami-details.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/-components/ami-details.tsx
@@ -47,7 +47,7 @@ export function AmiDetails({
             label="Virtualization Type"
             value={image.VirtualizationType}
           />
-          <DetailRow label="Platform" value={image.Platform || "Linux"} />
+          <DetailRow label="Platform" value={image.Platform ?? "Linux"} />
           <DetailRow label="Platform Details" value={image.PlatformDetails} />
           <DetailRow label="Image Type" value={image.ImageType} />
           <DetailRow label="Root Device Type" value={image.RootDeviceType} />
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/-components/instance-actions.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/-components/instance-actions.tsx
index 185a28675..255758082 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/-components/instance-actions.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/ec2/-components/instance-actions.tsx
@@ -27,7 +27,7 @@ export function InstanceActions({ instanceId, state }: InstanceActionsProps) {
   const rebootMutation = useRebootInstance()
   const terminateMutation = useTerminateInstance()
 
-  const isTransitioning = TRANSITIONING_STATES.has(state || "")
+  const isTransitioning = TRANSITIONING_STATES.has(state ?? "")
 
   if (isTransitioning && state !== "terminated") {
     return (
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(policies)/list-policies/$policyArn.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(policies)/list-policies/$policyArn.tsx
index 52903e9f0..523bf5509 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(policies)/list-policies/$policyArn.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(policies)/list-policies/$policyArn.tsx
@@ -117,7 +117,7 @@ function PolicyDetail() {
             <DetailRow label="Policy ID" value={policy.PolicyId} />
             <DetailRow label="ARN" value={policy.Arn} />
             <DetailRow label="Path" value={policy.Path} />
-            <DetailRow label="Description" value={policy.Description || "-"} />
+            <DetailRow label="Description" value={policy.Description ?? "-"} />
             <DetailRow
               label="Created"
               value={formatDateTime(policy.CreateDate)}
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(policies)/list-policies/index.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(policies)/list-policies/index.tsx
index 96be212f4..df2eeb215 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(policies)/list-policies/index.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(policies)/list-policies/index.tsx
@@ -21,7 +21,7 @@ export const Route = createFileRoute("/_auth/iam/(policies)/list-policies/")({
 function Policies() {
   const { data } = useSuspenseQuery(iamPoliciesQueryOptions)
 
-  const policies = (data.Policies || []).toSorted((a, b) => {
+  const policies = (data.Policies ?? []).toSorted((a, b) => {
     const nameA = a.PolicyName?.toLowerCase() ?? ""
     const nameB = b.PolicyName?.toLowerCase() ?? ""
     return nameA.localeCompare(nameB)
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(users)/list-users/$userName.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(users)/list-users/$userName.tsx
index 3fc5c1b69..8182bd8d0 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(users)/list-users/$userName.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(users)/list-users/$userName.tsx
@@ -84,9 +84,9 @@ function UserDetail() {
   )
 
   const user = userData.User
-  const accessKeys = accessKeysData.AccessKeyMetadata || []
-  const attachedPolicies = attachedPoliciesData.AttachedPolicies || []
-  const allPolicies = allPoliciesData.Policies || []
+  const accessKeys = accessKeysData.AccessKeyMetadata ?? []
+  const attachedPolicies = attachedPoliciesData.AttachedPolicies ?? []
+  const allPolicies = allPoliciesData.Policies ?? []
 
   const attachedArns = new Set(attachedPolicies.map((p) => p.PolicyArn))
   const availablePolicies = allPolicies.filter(
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(users)/list-users/index.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(users)/list-users/index.tsx
index f6d7eaba5..b7d83a78f 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(users)/list-users/index.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/iam/(users)/list-users/index.tsx
@@ -21,7 +21,7 @@ export const Route = createFileRoute("/_auth/iam/(users)/list-users/")({
 function Users() {
   const { data } = useSuspenseQuery(iamUsersQueryOptions)
 
-  const users = (data.Users || []).toSorted((a, b) => {
+  const users = (data.Users ?? []).toSorted((a, b) => {
     const nameA = a.UserName?.toLowerCase() ?? ""
     const nameB = b.UserName?.toLowerCase() ?? ""
     return nameA.localeCompare(nameB)
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/-components/object-list-item.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/-components/object-list-item.tsx
index abe6ceb1b..d04c82fab 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/-components/object-list-item.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/-components/object-list-item.tsx
@@ -85,7 +85,7 @@ export function ObjectListItem({
         </div>
         <div className="flex items-center gap-3">
           <div className="text-sm text-muted-foreground">
-            {formatSize(object.Size || 0)}
+            {formatSize(object.Size ?? 0)}
           </div>
           <button
             className="rounded-md p-2 transition-colors hover:bg-accent"
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/$bucket/$.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/$bucket/$.tsx
index b85f531a7..d42329ea2 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/$bucket/$.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/$bucket/$.tsx
@@ -18,13 +18,13 @@ import { UploadButton } from "@/routes/_auth/s3/-components/upload-button"
 
 export const Route = createFileRoute("/_auth/s3/ls/$bucket/$")({
   loader: async ({ context, params }) => {
-    const prefix = ensureTrailingSlash(params._splat || "")
+    const prefix = ensureTrailingSlash(params._splat ?? "")
     await context.queryClient.ensureQueryData(
       s3BucketObjectsQueryOptions(params.bucket, prefix),
     )
   },
   head: ({ params }) => {
-    const path = buildFullS3Key(params._splat || "", `${params.bucket}/`)
+    const path = buildFullS3Key(params._splat ?? "", `${params.bucket}/`)
     return {
       meta: [
         {
@@ -39,13 +39,13 @@ export const Route = createFileRoute("/_auth/s3/ls/$bucket/$")({
 function BucketObjectsWithPrefix() {
   const { bucket, _splat } = Route.useParams()
 
-  const prefix = ensureTrailingSlash(_splat || "")
+  const prefix = ensureTrailingSlash(_splat ?? "")
 
   const { data } = useSuspenseQuery(s3BucketObjectsQueryOptions(bucket, prefix))
   const uploadMutation = useUploadObject()
 
-  const objects = data.Contents || []
-  const commonPrefixes = data.CommonPrefixes || []
+  const objects = data.Contents ?? []
+  const commonPrefixes = data.CommonPrefixes ?? []
 
   // Build breadcrumb navigation
   const pathParts = prefix.split("/").filter(Boolean)
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/$bucket/index.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/$bucket/index.tsx
index d4d01dc6f..40493662a 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/$bucket/index.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/$bucket/index.tsx
@@ -33,8 +33,8 @@ function BucketObjects() {
   const { data } = useSuspenseQuery(s3BucketObjectsQueryOptions(bucketName))
   const uploadMutation = useUploadObject()
 
-  const objects = data.Contents || []
-  const commonPrefixes = data.CommonPrefixes || []
+  const objects = data.Contents ?? []
+  const commonPrefixes = data.CommonPrefixes ?? []
 
   return (
     <>
diff --git a/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/index.tsx b/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/index.tsx
index e4c0da6be..78d41b7e0 100644
--- a/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/index.tsx
+++ b/spinifex/services/spinifexui/frontend/src/routes/_auth/s3/ls/index.tsx
@@ -25,7 +25,7 @@ export const Route = createFileRoute("/_auth/s3/ls/")({
 function Buckets() {
   const { data } = useSuspenseQuery(s3BucketsQueryOptions)
 
-  const buckets = data.Buckets || []
+  const buckets = data.Buckets ?? []
 
   return (
     <>