## Changes 🏗️
Update the new library agent page, empty view to look like:
<img width="900" height="1060" alt="Screenshot 2025-12-01 at 14 12 10"
src="https://github.com/user-attachments/assets/e6a22a4f-35f4-434e-bbb1-593390034b9a"
/>
Now we display an **About this agent** card on the left when the agent
is published on the marketplace. I expanded the:
```
/api/library/agents/{id}
```
endpoint to return as well the following:
```js
{
// ...
created_at: "timestamp",
marketplace_listing: {
creator: { name: "string", "slug": string, id: "string" },
name: "string",
slug: "string",
id: "string"
}
}
```
To be able to display this extra information on the card and link to the
creator and marketplace pages.
Also:
- design system updates regarding navbar and colors
## Checklist 📋
### For code changes:
- [x] I have clearly listed my changes in the PR description
- [x] I have made a test plan
- [x] I have tested my changes according to the test plan:
- [x] Run locally and see the new page for an agent with no runs
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