-- Чистый PDF — персональный API-ключ студента (Zotero/curl)
CREATE TABLE "PdfApiKey" (
    "id" TEXT NOT NULL,
    "userId" TEXT NOT NULL,
    "key" TEXT NOT NULL,
    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
    "updatedAt" TIMESTAMP(3) NOT NULL,
    CONSTRAINT "PdfApiKey_pkey" PRIMARY KEY ("id")
);

CREATE UNIQUE INDEX "PdfApiKey_userId_key" ON "PdfApiKey"("userId");
CREATE UNIQUE INDEX "PdfApiKey_key_key" ON "PdfApiKey"("key");

ALTER TABLE "PdfApiKey" ADD CONSTRAINT "PdfApiKey_userId_fkey" FOREIGN KEY ("userId") REFERENCES "User"("id") ON DELETE CASCADE ON UPDATE CASCADE;