# Task: Advanced Content (Nicknames & Sequences)

## Objective

Implement "City Songs" (Performance Nicknames) and better sequence tracking.

## Steps

- [x] **Performance Nicknames**:
  - [x] Create `PerformanceNickname` model (performance_id, nickname, status, suggested_by).
  - [x] Create API for suggesting nicknames.
  - [x] Create API for approving/rejecting nicknames (Moderator only).
- [x] **Sequences**:
  - [x] Update `Performance` model to better handle transitions (>, ->).
- [x] **Frontend**:
  - [x] Display approved nicknames on Show Detail page (e.g., "Tahoe Tweezer").
  - [x] Add UI to suggest a nickname.

## Acceptance Criteria

- Users can suggest a nickname.
- Approved nicknames appear on the setlist.