[Draft] fix: ui virtualization and test infrastructure

[pixellos]

Summary

• Finalizes virtualization implementation in MessageTimeline.
• Adds Playwright component tests for MessageTimeline and SessionView.
• Cleans up SessionView and updates preferences store.

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[pixellos]

It seems i also need to bump up node to recover pipelines - will have a look tomorrow

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[shantur]

@pixellos - Thanks for the PR
The scope of this PR is a lot bigger and implementing unrelated things. It will not be possible to review the changes with multiple features. Can we have PRs with one change each please.
Thanks

[pixellos]

Sure, i just wanted to have an opinion on - Do we want to introduce playwright component test like that? - Do we want virtualization for timeline I wanted to add test to make sure nothing is broker due to my changes

[shantur]

100%

• Adding tests is always helpful
• Virtualization for timeline isn't that important TBH as there aren't many DOM elements in there. The main chat has too many DOM nodes because of the Markdown and syntax highlighting. If you want to, it will surely be better.

[pixellos]

Okay, so i'll split it in 2, first adding tests + node update (one lib dependency), then virtualization after 1. Would be deal with. Please let me know if it is reasonable The reason I'm so into virtualization is I'm having very long conversations with agent śr., 25 mar 2026, 10:58 użytkownik Shantur Rathore ***@***.***> napisał:

…

*shantur* left a comment (NeuralNomadsAI/CodeNomad#245) <#245 (comment)> 100% - Adding tests is always helpful - Virtualization for timeline isn't that important TBH as there aren't many DOM elements in there. The main chat has too many DOM nodes because of the Markdown and syntax highlighting. If you want to, it will surely be better. — Reply to this email directly, view it on GitHub <#245?email_source=notifications&email_token=ADJXULJXUPQ6NE5D7CFQGKT4SOUTVA5CNFSNUABFM5UWIORPF5TWS5BNNB2WEL2JONZXKZKDN5WW2ZLOOQXTIMJSGUZDCMRQGMZ2M4TFMFZW63VHNVSW45DJN5XKKZLWMVXHJLDGN5XXIZLSL5RWY2LDNM#issuecomment-4125212033>, or unsubscribe <https://github.com/notifications/unsubscribe-auth/ADJXULO3VD5OGF2H447UXST4SOUTVAVCNFSM6AAAAACW6DNZ7SVHI2DSMVQWIX3LMV43OSLTON2WKQ3PNVWWK3TUHM2DCMRVGIYTEMBTGM> . You are receiving this because you were mentioned.Message ID: ***@***.***>

[shantur]

That should work, thanks.