fix: show dtypes for idexes in tables

[Light2Dark]

📝 Summary

Fixes: #5524 . This surfaces dtypes for indexes in tables, thereby we can render it correctly if the index is of a particular type, by reusing the rendering logic for other columns.

With named index:

Unnamed index:

No index:

🔍 Description of Changes

📋 Checklist

• I have read the contributor guidelines.
• For large changes, or changes that affect the public API: this change was discussed or approved through an issue, on Discord, or the community discussions (Please provide a link if applicable).
• I have added tests for the changes made.
• I have run the code and verified that it works as expected.

[vercel]

The latest updates on your projects. Learn more about Vercel for Git ↗︎

Name	Status	Preview	Comments	Updated (UTC)
marimo-docs	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Jul 21, 2025 6:37am