Feature Request: Allow to edit/remove attachments from conversation in WebUI

[allozaur]

Prerequisites

• [x] I am running the latest code. Mention the version if possible as well.
• [x] I carefully followed the README.md.
• [x] I searched using keywords relevant to my issue to make sure that I am creating a new issue that is not already open (or closed).
• [x] I reviewed the Discussions, and have a new and useful enhancement to share.

Feature Description

Allow to remove/add attachments from messages in the conversation.

Motivation

Currently there is no way to remove/edit attachments from messages in the conversation, only before sending the message.

@easyfab asked for this feature in https://github.com/ggml-org/llama.cpp/pull/14839#issuecomment-3304216662 and i think it's worth implementing.

Possible Implementation

No response

[github-actions[bot]]

This issue was closed because it has been inactive for 14 days since being marked as stale.

[allozaur]

Closing in favour of #17206