Feat/band improvements

[justnyx]

Implemented the following changes to the bands member invitation logic:

• Renamed the Tag hozzáadása button to Tag meghívása
• Band members are now able to invite other users to their band with the Tag meghívása button
• Invited users are not automatically be added to the band
• Invited users are required to accept or reject the invitation
  • If they accept it, they are added to the band
  • If they reject it, they are removed from the band and their invite is deleted
• Invites expire after a week, if the invited user doesn't respond

[vercel]

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Project	Deployment	Actions	Updated (UTC)
mmmk-web-frontend	Ready	Preview, Comment	Apr 22, 2026 6:59pm

[Copilot]

Pull request overview

Implements band invitation/approval workflows and public visibility gating for bands, including UI changes and backend filtering based on approval and membership state.

Changes:

• Added band approval (isApproved) and updated bands listing behavior based on approval + user role.
• Introduced PENDING vs ACCEPTED band invitations with a 7-day “validity window” via createdAt filtering.
• Updated frontend UI to support inviting users, accepting/rejecting invites, and genre autocomplete suggestions.

Reviewed changes

Copilot reviewed 15 out of 15 changed files in this pull request and generated 5 comments.

Show a summary per file

File	Description
project_info/structure.md	Updates architecture/docs to reflect band approval + invite expiration support.
project_info/product.md	Updates product spec around band creation, admin approval, and invitations.
apps/frontend/src/types/band.ts	Extends types with isApproved, membership status union, and createdAt.
apps/frontend/src/components/band/create-band-dialog.tsx	Passes knownGenres into the band form for suggestions.
apps/frontend/src/components/band/band-row.tsx	Adds invite accept/reject UI, admin approval UI, and member display changes.
apps/frontend/src/components/band/band-form-dialog.tsx	Adds genre suggestion dropdown for band form.
apps/frontend/src/app/bands/page.tsx	Derives/passes knownGenres, adjusts empty state text, renders rows with per-row <tbody>.
apps/backend/src/bands/dto/update-band.dto.ts	Allows updating isApproved via DTO validation.
apps/backend/src/bands/bandsController.ts	Adds optional-auth GET /bands and invitation accept/reject authorization changes.
apps/backend/src/bands/bands.service.ts	Filters bands/memberships by approval + membership status with 7-day pending window.
apps/backend/src/auth/optional-jwt-auth.guard.ts	Adds guard to allow public access with optional JWT parsing.
apps/backend/src/auth/jwt.strategy.ts	Validates JWT user by fetching from DB and rejecting missing users.
apps/backend/prisma/schema.prisma	Adds Band.isApproved and BandMembership.createdAt.
apps/backend/prisma/migrations/20260323150841_add_created_at_to_band_membership/migration.sql	Adds createdAt column to BandMembership.
apps/backend/prisma/migrations/20260319132056_add_band_approval/migration.sql	Adds isApproved column to Band.

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