[Feature]: ability to preview images in thread #5201

Before submitting

• I searched existing issues and did not find a duplicate.
• I am describing a concrete problem or use case, not just a vague idea.

Area

apps/web

Problem or use case

Ability to preview images in a thread

Proposed solution

Click on the file and show a preview thumbnail

Why this matters

Convenience and when remote you don't have access to your file system so you want to see images from agent

Smallest useful scope

Just let me see a thumbnail of the images

Alternatives considered

No response

Risks or tradeoffs

No response

Examples or references

No response

Contribution

• I would be open to helping implement this.