feat: Implement genre activation/deactivation with UI controls and main page filtering.

prisma/migrations/20251124231438_add_genre_active_field/migration.sql

@@ -0,0 +1,15 @@
+-- RedefineTables
+PRAGMA defer_foreign_keys=ON;
+PRAGMA foreign_keys=OFF;
+CREATE TABLE "new_Genre" (
+    "id" INTEGER NOT NULL PRIMARY KEY AUTOINCREMENT,
+    "name" TEXT NOT NULL,
+    "subtitle" TEXT,
+    "active" BOOLEAN NOT NULL DEFAULT true
+);
+INSERT INTO "new_Genre" ("id", "name", "subtitle") SELECT "id", "name", "subtitle" FROM "Genre";
+DROP TABLE "Genre";
+ALTER TABLE "new_Genre" RENAME TO "Genre";
+CREATE UNIQUE INDEX "Genre_name_key" ON "Genre"("name");
+PRAGMA foreign_keys=ON;
+PRAGMA defer_foreign_keys=OFF;