feat(gen-ai): enable chatbot-gen-ai feature COMPASS-10125

[mabaasit]

Description

Checklist

• New tests and/or benchmarks are included
• Documentation is changed or added
• If this change updates the UI, screenshots/videos are added and a design review is requested
• If this change could impact the load on the MongoDB cluster, please describe the expected and worst case impact
• I have signed the MongoDB Contributor License Agreement (https://www.mongodb.com/legal/contributor-agreement)

Motivation and Context

• Bugfix
• New feature
• Dependency update
• Misc

Open Questions

Dependents

Types of changes

• Backport Needed
• Patch (non-breaking change which fixes an issue)
• Minor (non-breaking change which adds functionality)
• Major (fix or feature that would cause existing functionality to change)

[Copilot]

Pull request overview

This PR enables the chatbot-gen-ai feature by promoting the enableChatbotEndpointForGenAI feature flag from 'development' to 'released' stage and switching the AI model from mongodb-chat-latest to mongodb-slim-latest as noted in the TODO comments.

Key changes:

• Feature flag stage updated from 'development' to 'released'
• AI model switched from mongodb-chat-latest to mongodb-slim-latest
• Legacy test suite removed in favor of chatbot API tests

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
packages/compass-preferences-model/src/feature-flags.ts	Updates feature flag stage to 'released' to enable the chatbot endpoint
packages/compass-generative-ai/src/atlas-ai-service.ts	Changes AI model from mongodb-chat-latest to mongodb-slim-latest
packages/compass-generative-ai/src/atlas-ai-service.spec.ts	Removes duplicate test suite and updates model expectation in remaining tests
packages/compass-e2e-tests/tests/collection-ai-query.test.ts	Removes old mocked backend tests and updates remaining tests to remove chatbot feature flag requirement

[codeowners-service-app]

Assigned paula-stacho for team compass-developers because gribnoysup is out of office.