chore(prisma/migrations): add migration for multilingual problem support

prisma/migrations/20250507130854_add_problem_multilingual_support/migration.sql

@@ -0,0 +1,63 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `description` on the `Problem` table. All the data in the column will be lost.
+  - You are about to drop the column `solution` on the `Problem` table. All the data in the column will be lost.
+  - You are about to drop the column `title` on the `Problem` table. All the data in the column will be lost.
+
+*/
+-- CreateEnum
+CREATE TYPE "Language" AS ENUM ('en', 'zh');
+
+-- AlterTable
+ALTER TABLE "Problem" DROP COLUMN "description",
+DROP COLUMN "solution",
+DROP COLUMN "title";
+
+-- CreateTable
+CREATE TABLE "ProblemTitle" (
+    "id" TEXT NOT NULL,
+    "language" "Language" NOT NULL,
+    "content" TEXT NOT NULL,
+    "problemId" TEXT NOT NULL,
+
+    CONSTRAINT "ProblemTitle_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "ProblemDescription" (
+    "id" TEXT NOT NULL,
+    "language" "Language" NOT NULL,
+    "content" TEXT NOT NULL,
+    "problemId" TEXT NOT NULL,
+
+    CONSTRAINT "ProblemDescription_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateTable
+CREATE TABLE "ProblemSolution" (
+    "id" TEXT NOT NULL,
+    "language" "Language" NOT NULL,
+    "content" TEXT NOT NULL,
+    "problemId" TEXT NOT NULL,
+
+    CONSTRAINT "ProblemSolution_pkey" PRIMARY KEY ("id")
+);
+
+-- CreateIndex
+CREATE UNIQUE INDEX "ProblemTitle_problemId_language_key" ON "ProblemTitle"("problemId", "language");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "ProblemDescription_problemId_language_key" ON "ProblemDescription"("problemId", "language");
+
+-- CreateIndex
+CREATE UNIQUE INDEX "ProblemSolution_problemId_language_key" ON "ProblemSolution"("problemId", "language");
+
+-- AddForeignKey
+ALTER TABLE "ProblemTitle" ADD CONSTRAINT "ProblemTitle_problemId_fkey" FOREIGN KEY ("problemId") REFERENCES "Problem"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "ProblemDescription" ADD CONSTRAINT "ProblemDescription_problemId_fkey" FOREIGN KEY ("problemId") REFERENCES "Problem"("id") ON DELETE CASCADE ON UPDATE CASCADE;
+
+-- AddForeignKey
+ALTER TABLE "ProblemSolution" ADD CONSTRAINT "ProblemSolution_problemId_fkey" FOREIGN KEY ("problemId") REFERENCES "Problem"("id") ON DELETE CASCADE ON UPDATE CASCADE;