feat: basic screenshot manager

prisma/models/content.prisma

@@ -35,6 +35,7 @@ model Game {
 
     collections CollectionEntry[]
     saves       SaveSlot[]
+    screenshots Screenshot[]
 
     @@unique([metadataSource, metadataId], name: "metadataKey")
 }
@@ -85,6 +86,22 @@ model SaveSlot {
     @@id([gameId, userId, index], name: "id")
 }
 
+model Screenshot {
+    id String @id @default(uuid())
+
+    gameId String
+    game   Game   @relation(fields: [gameId], references: [id], onDelete: Cascade)
+    userId String
+    user   User   @relation(fields: [userId], references: [id], onDelete: Cascade)
+
+    objectId String
+    private  Boolean @default(true)
+
+    createdAt DateTime @default(now()) @db.Timestamptz(0)
+
+    @@index([gameId, userId])
+}
+
 model Developer {
     id String @id @default(uuid())
 

prisma/models/user.prisma

@@ -17,7 +17,8 @@ model User {
     tokens   APIToken[]
     sessions Session[]
 
-    saves SaveSlot[]
+    saves       SaveSlot[]
+    screenshots Screenshot[]
 }
 
 model Notification {