diff --git a/apps/desktop/src/renderer/components/tasks/task-artifacts.tsx b/apps/desktop/src/renderer/components/tasks/task-artifacts.tsx
index 6702a24b..4539c6bc 100644
--- a/apps/desktop/src/renderer/components/tasks/task-artifacts.tsx
+++ b/apps/desktop/src/renderer/components/tasks/task-artifacts.tsx
@@ -1,6 +1,7 @@
 import {
   TaskArtifactOutput,
   formatBytes,
+  formatDate,
   formatMimeType,
 } from '@colanode/core';
 import { Download, Link } from 'lucide-react';
@@ -35,7 +36,10 @@ export const TaskArtifacts = ({ artifacts }: TaskArtifactsProps) => {
           <div className="flex-grow">
             <div className="font-semibold text-base">{artifact.name}</div>
             <div className="text-xs text-muted-foreground">
-              {formatMimeType(artifact.mimeType)} - {formatBytes(artifact.size)}
+              {formatMimeType(artifact.mimeType)} - {formatBytes(artifact.size)}{' '}
+              {artifact.expiresAt
+                ? `- Expires ${formatDate(artifact.expiresAt)}`
+                : ''}
             </div>
           </div>
           <div className="flex items-center gap-1">
diff --git a/apps/desktop/src/renderer/components/tasks/task-card.tsx b/apps/desktop/src/renderer/components/tasks/task-card.tsx
index 640fd298..4b7048b6 100644
--- a/apps/desktop/src/renderer/components/tasks/task-card.tsx
+++ b/apps/desktop/src/renderer/components/tasks/task-card.tsx
@@ -16,8 +16,10 @@ interface TaskCardProps {
 
 export const TaskCard = ({ task }: TaskCardProps) => {
   const layout = useLayout();
-  const duration = formatDuration(task.createdAt, task.completedAt);
-  const startedAgo = timeAgo(task.createdAt);
+  const startedAgo = task.startedAt ? timeAgo(task.startedAt) : 'Pending';
+  const duration = task.startedAt
+    ? formatDuration(task.startedAt, task.completedAt)
+    : '0s';
 
   return (
     <div className="flex flex-row items-center gap-4 rounded-lg border bg-card p-4 shadow-sm">
diff --git a/apps/desktop/src/renderer/components/tasks/task-details.tsx b/apps/desktop/src/renderer/components/tasks/task-details.tsx
index f0b78a92..a3b7d67c 100644
--- a/apps/desktop/src/renderer/components/tasks/task-details.tsx
+++ b/apps/desktop/src/renderer/components/tasks/task-details.tsx
@@ -20,8 +20,10 @@ interface TaskDetailsProps {
 }
 
 export const TaskDetails = ({ task, logs, artifacts }: TaskDetailsProps) => {
-  const duration = formatDuration(task.createdAt, task.completedAt);
-  const createdAtAgo = timeAgo(task.createdAt);
+  const startedAgo = task.startedAt ? timeAgo(task.startedAt) : 'Pending';
+  const duration = task.startedAt
+    ? formatDuration(task.startedAt, task.completedAt)
+    : '0s';
 
   return (
     <div className="grid grid-cols-5 gap-4">
@@ -54,7 +56,7 @@ export const TaskDetails = ({ task, logs, artifacts }: TaskDetailsProps) => {
                 <span className="text-xs text-muted-foreground">Started</span>
                 <div className="flex items-center gap-1">
                   <Calendar className="size-4" />
-                  <span className="font-semibold">{createdAtAgo}</span>
+                  <span className="font-semibold">{startedAgo}</span>
                 </div>
               </div>
               <div className="flex flex-col gap-1">
diff --git a/apps/server/src/lib/tasks/mappers.ts b/apps/server/src/lib/tasks/mappers.ts
index 27bbec6f..5eb6f81b 100644
--- a/apps/server/src/lib/tasks/mappers.ts
+++ b/apps/server/src/lib/tasks/mappers.ts
@@ -12,6 +12,8 @@ export const mapTaskOutput = (task: SelectTask): TaskOutput => {
     createdAt: task.created_at.toISOString(),
     createdBy: task.created_by,
     completedAt: task.completed_at?.toISOString(),
+    startedAt: task.started_at?.toISOString(),
+    activeAt: task.active_at?.toISOString(),
     attributes: task.attributes,
   };
 };
@@ -35,5 +37,6 @@ export const mapTaskArtifactOutput = (
     size: artifact.size,
     mimeType: artifact.mime_type,
     createdAt: artifact.created_at.toISOString(),
+    expiresAt: artifact.expires_at?.toISOString(),
   };
 };
diff --git a/apps/server/src/lib/tasks/workspace-export.ts b/apps/server/src/lib/tasks/workspace-export.ts
index 6226a2c0..ff52cb6d 100644
--- a/apps/server/src/lib/tasks/workspace-export.ts
+++ b/apps/server/src/lib/tasks/workspace-export.ts
@@ -43,6 +43,7 @@ export class WorkspaceExport {
   private readonly exportDataZipKey: string;
   private readonly exportFilesZipPrefix: string;
   private readonly exportTempDirectory: string;
+  private readonly artifactExpireDate: Date;
 
   private readonly dataFileKeys: string[] = [];
   private readonly uploadFileKeys: string[][] = [];
@@ -81,6 +82,7 @@ export class WorkspaceExport {
     this.exportDataZipKey = `${this.taskDir}/data.zip`;
     this.exportFilesZipPrefix = `${this.taskDir}/files`;
     this.exportTempDirectory = `${this.taskDir}/temp`;
+    this.artifactExpireDate = new Date(Date.now() + 1000 * 60 * 60 * 24 * 30);
   }
 
   public async export() {
@@ -732,6 +734,7 @@ export class WorkspaceExport {
             size,
             path,
             created_at: new Date(),
+            expires_at: this.artifactExpireDate,
           })
           .executeTakeFirst();
 
diff --git a/packages/core/src/types/tasks.ts b/packages/core/src/types/tasks.ts
index 4d5d8ff3..d1b60fb7 100644
--- a/packages/core/src/types/tasks.ts
+++ b/packages/core/src/types/tasks.ts
@@ -42,6 +42,8 @@ export const taskOutputSchema = z.object({
   workspaceId: z.string(),
   createdAt: z.string(),
   createdBy: z.string(),
+  startedAt: z.string().optional(),
+  activeAt: z.string().optional(),
   completedAt: z.string().optional(),
 });
 
@@ -69,6 +71,7 @@ export const taskArtifactOutputSchema = z.object({
   size: z.number(),
   mimeType: z.string(),
   createdAt: z.string(),
+  expiresAt: z.string().optional(),
 });
 
 export type TaskArtifactOutput = z.infer<typeof taskArtifactOutputSchema>;