fix: AI moderation fields in accessible_fields

[jcapphelix]

Description

This PR adds a few fields in Comment and Thread to identify if content is spam. So manual efforts are reduced to remove the spam.

As of now it is just a MVP.

There are various changes supposed to be done on this.

Test Instructions

• Install this forum on your devstack / environment (Open edX is on forum==0.3.8, edx/forum is on forum == 0.3.9)
• Enable Ai Moderation waffle discussions.enable_ai_moderation
• Set following in your environment files

AI_MODERATION_API_URL: 'URL_FOR_AI'
AI_MODERATION_CLIENT_ID: 'AI_CLIENT_ID'
AI_MODERATION_USER_ID: USER_ID_OF_GLOBAL_MODERATOR

• Now try and create a spam / scam post, you should see it as reported (if you are a staff)
• ModerationAuditLog in Django admin will also show you the spammed post

Related PRs and order of merging:-

1. feat: AI moderation feature forum#1
2. https://github.com/edx/sandbox-internal/pull/385
3. https://github.com/edx/edx-internal/pull/13562
4. https://github.com/edx/edx-internal/pull/13561
5. fix: AI moderation fields in accessible_fields #26

Needs Migration command to be run

This PR adds new migration files so migration commands need to run if not run automatically

./manage.py lms migrate forum

Verification

• To check if it's installed or not, you can go to your edxapp env in your desired environment and fire following :-

pip list | grep forum

This should list 0.3.9 as forum version

Known issues :-

• https://2u-internal.atlassian.net/browse/COSMO2-770

Deadline :- ASAP

Jira Link

• https://2u-internal.atlassian.net/browse/COSMO2-738
• https://2u-internal.atlassian.net/browse/COSMO2-759

[Copilot]

Pull Request Overview

This PR adds three new fields related to AI-powered content moderation to the accessible_fields list for both Thread and Comment models in the comment client layer.

• Adds is_spam, ai_moderation_reason, and abuse_flagged fields to accessible_fields lists
• Enables Thread and Comment objects to retrieve and store these moderation-related fields from the backend

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
openedx/core/djangoapps/django_comment_common/comment_client/thread.py	Adds three AI moderation fields (is_spam, ai_moderation_reason, abuse_flagged) to the Thread model's accessible_fields list
openedx/core/djangoapps/django_comment_common/comment_client/comment.py	Adds three AI moderation fields (is_spam, ai_moderation_reason, abuse_flagged) to the Comment model's accessible_fields list

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