feat(compass-collection): Submit collection validation rules to LLM - CLOUDP-347304

[jcobis]

Description

Include MongoDB collection validation rules in LLM requests to improve faker.js schema generation quality and accuracy.

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
• I have signed the MongoDB Contributor License Agreement (https://www.mongodb.com/legal/contributor-agreement)

Motivation and Context

• Better faker mappings: Eg. Email regex patterns → faker.internet.email() vs generic strings
• Numeric validation rules inform min/max ranges
• Help ensure generated mock data respects collection validation rules

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 enhances the mock data schema generation feature by including MongoDB collection validation rules in LLM requests. This allows the AI to generate more accurate faker.js mappings that respect collection constraints (e.g., email patterns, numeric ranges).

Key changes:

• Added validationRules parameter to LLM request payload
• Added comprehensive test coverage for validation rules handling (provided, null, and undefined cases)

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
packages/compass-generative-ai/src/atlas-ai-service.ts	Added validationRules field to the request body sent to the LLM service
packages/compass-generative-ai/src/atlas-ai-service.spec.ts	Added test coverage for validation rules inclusion in requests, including edge cases for null and undefined values

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