Implement Specials feature, Admin UI enhancements, and Database Rebuild tool

prisma/migrations/20251122121934_add_specials/migration.sql

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+-- CreateTable
+CREATE TABLE "Song" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "title" TEXT NOT NULL,
+    "artist" TEXT NOT NULL,
+    "filename" TEXT NOT NULL,
+    "coverImage" TEXT,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP
+);
+
+-- CreateTable
+CREATE TABLE "Genre" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "name" TEXT NOT NULL
+);
+
+-- CreateTable
+CREATE TABLE "DailyPuzzle" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "date" TEXT NOT NULL,
+    "songId" INTEGER NOT NULL,
+    "genreId" INTEGER,
+    CONSTRAINT "DailyPuzzle_songId_fkey" FOREIGN KEY ("songId") REFERENCES "Song" ("id") ON DELETE RESTRICT ON UPDATE CASCADE,
+    CONSTRAINT "DailyPuzzle_genreId_fkey" FOREIGN KEY ("genreId") REFERENCES "Genre" ("id") ON DELETE SET NULL ON UPDATE CASCADE
+);
+
+-- CreateTable
+CREATE TABLE "_GenreToSong" (
+    "A" INTEGER NOT NULL,
+    "B" INTEGER NOT NULL,
+    CONSTRAINT "_GenreToSong_A_fkey" FOREIGN KEY ("A") REFERENCES "Genre" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT "_GenreToSong_B_fkey" FOREIGN KEY ("B") REFERENCES "Song" ("id") ON DELETE CASCADE ON UPDATE CASCADE
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Genre_name_key" ON "Genre"("name");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "DailyPuzzle_date_genreId_key" ON "DailyPuzzle"("date", "genreId");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "_GenreToSong_AB_unique" ON "_GenreToSong"("A", "B");
+
+-- CreateIndex
+CREATE INDEX "_GenreToSong_B_index" ON "_GenreToSong"("B");