major functionalities are fixed

packages/db/prisma/migrations/20250512103036_add_staff_support/migration.sql

@@ -0,0 +1,17 @@
+-- AlterTable
+ALTER TABLE "Appointment" ADD COLUMN     "staffId" INTEGER;
+
+-- CreateTable
+CREATE TABLE "Staff" (
+    "id" SERIAL NOT NULL,
+    "name" TEXT NOT NULL,
+    "email" TEXT,
+    "role" TEXT NOT NULL,
+    "phone" TEXT,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+
+    CONSTRAINT "Staff_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "Appointment" ADD CONSTRAINT "Appointment_staffId_fkey" FOREIGN KEY ("staffId") REFERENCES "Staff"("id") ON DELETE SET NULL ON UPDATE CASCADE;