feat: revamped sessions

prisma/migrations/20260214054654_revamp_sessions/migration.sql

@@ -0,0 +1,23 @@
+/*
+  Warnings:
+
+  - You are about to drop the column `sessions` on the `User` table. All the data in the column will be lost.
+
+*/
+-- AlterTable
+ALTER TABLE "public"."User" DROP COLUMN "sessions";
+
+-- CreateTable
+CREATE TABLE "public"."UserSession" (
+    "id" TEXT NOT NULL,
+    "createdAt" TIMESTAMP(3) NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    "ua" TEXT NOT NULL,
+    "client" TEXT NOT NULL,
+    "device" TEXT NOT NULL,
+    "userId" TEXT NOT NULL,
+
+    CONSTRAINT "UserSession_pkey" PRIMARY KEY ("id")
+);
+
+-- AddForeignKey
+ALTER TABLE "public"."UserSession" ADD CONSTRAINT "UserSession_userId_fkey" FOREIGN KEY ("userId") REFERENCES "public"."User"("id") ON DELETE CASCADE ON UPDATE CASCADE;

prisma/schema.prisma

@@ -163,7 +163,7 @@ model User {
 
   totpSecret String?
   passkeys   UserPasskey[]
-  sessions   String[]
+  sessions   UserSession[]
 
   quota UserQuota?
 
@@ -191,6 +191,18 @@ model Export {
   userId String
 }
 
+model UserSession {
+  id String @id 
+  createdAt DateTime @default(now())
+
+  ua String
+  client String
+  device String
+
+  User   User   @relation(fields: [userId], references: [id], onDelete: Cascade, onUpdate: Cascade)
+  userId String
+}
+
 model UserQuota {
   id        String   @id @default(cuid())
   createdAt DateTime @default(now())