feat: add error handling to player creation and update gitignore for agent

prisma/migrations/20260121031920_add_attendance_system/migration.sql

@@ -0,0 +1,24 @@
+-- AlterTable
+ALTER TABLE "Match" ADD COLUMN     "drawSeed" TEXT,
+ADD COLUMN     "location" TEXT,
+ADD COLUMN     "maxPlayers" INTEGER;
+
+-- CreateTable
+CREATE TABLE "Attendance" (
+    "id" TEXT NOT NULL,
+    "playerId" TEXT NOT NULL,
+    "matchId" TEXT NOT NULL,
+    "status" TEXT NOT NULL DEFAULT 'CONFIRMED',
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "Attendance_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "Attendance_playerId_matchId_key" ON "Attendance"("playerId", "matchId");
+
+-- AddForeignKey
+ALTER TABLE "Attendance" ADD CONSTRAINT "Attendance_playerId_fkey" FOREIGN KEY ("playerId") REFERENCES "Player"("id") ON DELETE RESTRICT ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "Attendance" ADD CONSTRAINT "Attendance_matchId_fkey" FOREIGN KEY ("matchId") REFERENCES "Match"("id") ON DELETE RESTRICT ON UPDATE CASCADE;