feat: architect context-aware AI coding assistant UI module (#603)

[Eromosele0110]

Summary

Related Issue

Type of Change

• Feature
• Bug fix
• Refactor
• Documentation

Changes Made

Validation

• cargo fmt --all (if contract changed)
• npm run lint in frontend (if frontend changed)
• Manual verification completed

Screenshots (if UI changes)

Checklist

• Scope is focused and avoids unrelated changes
• Commit messages are clear
• Documentation updated when needed
• ETA was provided when requesting assignment for the linked issue
  close [Frontend] Architect Context-aware AI Coding Assistant UI Module #603

[drips-wave]

@Eromosele0110 Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

Learn more about application limits

[GBOYEE]

@GBOYEE has applied to work on this issue as part of the Stellar Wave Program's 6th wave.

Implement following existing patterns and conventions. Add tests, ensure CI passes, and document any new API surface.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @GBOYEE to this issue.