Pull Request Template

Description

Adds a complete frontend follow-management surface for profile pages, including follow and unfollow actions, follower and following counts, and modal list views.

This change connects the existing follower and following backend routes to the profile UI so users can manage social relationships directly from the frontend. It also keeps the UI in sync with backend mutation responses by refreshing follow state and counts after each action, and adds loading and error states for both profile mutations and follower list dialogs.

It also adds documentation for the feature in app/docs/follow-management.md.

Fixes #302

Checklist

• I have tested my changes locally
• I have updated documentation as needed
• I have run npx prisma generate after schema changes
• I have run npx prisma migrate dev or npx prisma migrate deploy as appropriate

Notes:

• No Prisma schema changes were made in this PR, so no migration was required.
• Local verification run:
  • corepack pnpm exec eslint app/profile/[userId]/page.tsx components/follow-list-dialog.tsx app/api/users/[id]/follow/route.ts
• Prisma client generation run:
  • npx prisma generate
• Documentation added:
  • app/docs/follow-management.md

Post-Merge Steps for Maintainers

If this PR includes changes to the Prisma schema:

1. Run the following command to apply the migration to your database:

   npx prisma migrate deploy