Remove Prisma files - fully migrated to JSON storage

lib/prisma.ts

@@ -1,9 +0,0 @@
-import { PrismaClient } from '@prisma/client'
-
-const globalForPrisma = globalThis as unknown as {
-  prisma: PrismaClient | undefined
-}
-
-export const prisma = globalForPrisma.prisma ?? new PrismaClient()
-
-if (process.env.NODE_ENV !== 'production') globalForPrisma.prisma = prisma

prisma/schema.prisma

@@ -1,44 +0,0 @@
-// This is your Prisma schema file,
-// learn more about it in the docs: https://pris.ly/d/prisma-schema
-
-generator client {
-  provider = "prisma-client-js"
-}
-
-datasource db {
-  provider = "sqlite"
-  url      = "file:./dev.db"
-}
-
-model Song {
-  id          String   @id @default(uuid())
-  youtubeId   String   @unique
-  title       String
-  channelName String
-  thumbnail   String
-  duration    Int      // in seconds
-  addedAt     DateTime @default(now())
-  isInLibrary Boolean  @default(true)  // If false, only exists in playlists
-  
-  playlistSongs PlaylistSong[]
-}
-
-model Playlist {
-  id        String   @id @default(uuid())
-  name      String
-  createdAt DateTime @default(now())
-  
-  playlistSongs PlaylistSong[]
-}
-
-model PlaylistSong {
-  id         String   @id @default(uuid())
-  playlistId String
-  songId     String
-  addedAt    DateTime @default(now())
-  
-  playlist Playlist @relation(fields: [playlistId], references: [id], onDelete: Cascade)
-  song     Song     @relation(fields: [songId], references: [id], onDelete: Cascade)
-  
-  @@unique([playlistId, songId])
-}