Copilot: Add feature: collect Question/Answer/Feedback for analytic purpose

[quge009]

• Change uuid to uuidv4, 32 bit
• Log below message into database
  • Question from user
  • Answer generated by Copilot
  • Feedback (like, dislike) of the generated answer from user

[Copilot]

Pull Request Overview

This PR adds analytics data collection functionality to the Copilot system by logging questions, answers, and feedback to a Kusto database. The changes update UUID generation from shortened 8-character strings to full UUIDs and implement threaded data collection to avoid blocking the main conversation flow.

• Replace shortened UUID generation with full UUID v4 strings for better uniqueness
• Add threaded data collection system that logs questions, answers, and feedback to Kusto
• Add configuration support for destination Kusto cluster and database settings

Reviewed Changes

Copilot reviewed 6 out of 7 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
copilot_conversation.py	Main implementation of data collection logic with threading and Kusto integration
copilot-chat-deployment.yaml.template	Adds environment variables for destination Kusto cluster configuration
copilot-chat.yaml	Adds default configuration values for data collection Kusto settings
state.ts	Updates UUID generation from random strings to proper UUID v4
ChatBox.tsx	Updates client-side UUID generation to use UUID v4
package.json	Adds uuid package dependency and type definitions

Files not reviewed (1)

• contrib/copilot-plugin/package-lock.json: Language not supported

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