Slackbot /danswer visible to user only(WIP)

[sanjuruk]

Description

This is a draft PR
Force Ephemeral when received message from /danswer slackbot
https://danswer.slack.com/archives/C056265VB1N/p1732624431382049

How Has This Been Tested?

Locally

Accepted Risk (provide if relevant)

N/A

Related Issue(s) (provide if relevant)

Issues when getting slack channel name from a slack channel id

Mental Checklist:

• All of the automated tests pass
• All PR comments are addressed and marked resolved
• If there are migrations, they have been rebased to latest main
• If there are new dependencies, they are added to the requirements
• If there are new environment variables, they are added to all of the deployment methods
• If there are new APIs that don't require auth, they are added to PUBLIC_ENDPOINT_SPECS
• Docker images build and basic functionalities work
• Author has done a final read through of the PR right before merge

Backporting (check the box to trigger backport action)

Note: You have to check that the action passes, otherwise resolve the conflicts manually and tag the patches.

• This PR should be backported (make sure to check that the backport attempt succeeds)

[vercel]

@sanjuruk is attempting to deploy a commit to the Danswer Team on Vercel.

A member of the Team first needs to authorize it.