Add dotenv package for environment variable management and update pnpm-lock.yaml. Adjust layout in RegisterPage and LoginPage components for improved responsiveness. Enhance AdminPanel with ChallengeManagement section and update navigation links for challenges. Refactor Prisma schema to include Challenge model and related enums.

prisma/migrations/20251215140148_add_challenges/migration.sql

@@ -0,0 +1,33 @@
+-- CreateTable
+CREATE TABLE "Challenge" (
+    "id" TEXT NOT NULL PRIMARY KEY,
+    "challengerId" TEXT NOT NULL,
+    "challengedId" TEXT NOT NULL,
+    "title" TEXT NOT NULL,
+    "description" TEXT NOT NULL,
+    "pointsReward" INTEGER NOT NULL DEFAULT 100,
+    "status" TEXT NOT NULL DEFAULT 'PENDING',
+    "adminId" TEXT,
+    "adminComment" TEXT,
+    "winnerId" TEXT,
+    "createdAt" DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "acceptedAt" DATETIME,
+    "completedAt" DATETIME,
+    "updatedAt" DATETIME NOT NULL,
+    CONSTRAINT "Challenge_challengerId_fkey" FOREIGN KEY ("challengerId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT "Challenge_challengedId_fkey" FOREIGN KEY ("challengedId") REFERENCES "User" ("id") ON DELETE CASCADE ON UPDATE CASCADE,
+    CONSTRAINT "Challenge_adminId_fkey" FOREIGN KEY ("adminId") REFERENCES "User" ("id") ON DELETE SET NULL ON UPDATE CASCADE,
+    CONSTRAINT "Challenge_winnerId_fkey" FOREIGN KEY ("winnerId") REFERENCES "User" ("id") ON DELETE SET NULL ON UPDATE CASCADE
+);
+
+-- CreateIndex
+CREATE INDEX "Challenge_challengerId_idx" ON "Challenge"("challengerId");
+
+-- CreateIndex
+CREATE INDEX "Challenge_challengedId_idx" ON "Challenge"("challengedId");
+
+-- CreateIndex
+CREATE INDEX "Challenge_status_idx" ON "Challenge"("status");
+
+-- CreateIndex
+CREATE INDEX "Challenge_adminId_idx" ON "Challenge"("adminId");