feat(song): add option to exclude songs from global visibility and improve admin upload validation

prisma/migrations/20251124182259_add_exclude_from_global/migration.sql

@@ -0,0 +1,20 @@
+-- RedefineTables
+PRAGMA defer_foreign_keys=ON;
+PRAGMA foreign_keys=OFF;
+CREATE TABLE "new_Song" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "title" TEXT NOT NULL,
+    "artist" TEXT NOT NULL,
+    "filename" TEXT NOT NULL,
+    "coverImage" TEXT,
+    "releaseYear" INTEGER,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "averageRating" REAL NOT NULL DEFAULT 0,
+    "ratingCount" INTEGER NOT NULL DEFAULT 0,
+    "excludeFromGlobal" BOOLEAN NOT NULL DEFAULT false
+);
+INSERT INTO "new_Song" ("artist", "averageRating", "coverImage", "createdAt", "filename", "id", "ratingCount", "releaseYear", "title") SELECT "artist", "averageRating", "coverImage", "createdAt", "filename", "id", "ratingCount", "releaseYear", "title" FROM "Song";
+DROP TABLE "Song";
+ALTER TABLE "new_Song" RENAME TO "Song";
+PRAGMA foreign_keys=ON;
+PRAGMA defer_foreign_keys=OFF;

prisma/schema.prisma

@@ -23,6 +23,7 @@ model Song {
   specials  SpecialSong[]
   averageRating Float    @default(0)
   ratingCount   Int      @default(0)
+  excludeFromGlobal Boolean @default(false)
 }
 
 model Genre {