[Feature Request]: Improve copy-paste on MacOS

[3nricoMarinelli]

Description

Copy-paste on MacOS of formatted text sometimes causes loss of whitespaces in the output next to the formatted text.
A temporary fix for this problem I use is to first paste to Note app, then copy again and paste into AFFiNE.

This is the result when copying a conversation with formatted text from Gemini.

True output:

AFFiNE output:

The reader might see the word "maisonparce" instead of "maison parce" as the first instance of this bug.

Use case

Improvement of the copy-paste workflow from third-party content.

Anything else?

Given the fact is a very specific use case I have classified this issue as [Feature] instead of [Bug].

Are you willing to submit a PR?

• Yes I'd like to help by submitting a PR!

Is your content generated by AI?

• I confirm that the content I submitted was not generated by AI / merely contained minimal AI edits.

[affine-issue-bot]

Issue Status: 🆕 *Untriaged

*🆕 Untriaged

The team has not yet reviewed the issue. We usually do it within one business day.
Docs: https://github.com/toeverything/AFFiNE/blob/canary/docs/issue-triaging.md

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[001-mak]

I tried to re produce the issue, but i found no issue in it.

[steffenrapp]

I also have this issue. Duplicate to #12917

[3nricoMarinelli]

I tried to re produce the issue, but i found no issue in it.

Perhaps could be an issue linked to the AFFiNE Desktop App.
This is an evidence of the behavior on 08/04/26.

Screen.Recording.2026-04-08.at.09.51.39.mov

[steffenrapp]

I also had that issue in the desktop app.