Add profile photo uploads and custom difficulty support

shared/multiplayer.ts

@@ -1,11 +1,14 @@
 import { z } from "zod";
 import { displayNameSchema } from "./account";
-import type { Bounds, Difficulty } from "./protocol";
+import type { Bounds, DifficultyPreset } from "./protocol";
 
 export const createRoomSchema = z
   .object({
     datasetId: z.string().uuid(),
-    difficulty: z.enum(["easy", "normal", "hard"]),
+    difficulty: z.union([
+      z.enum(["easy", "normal", "hard"]),
+      z.string().uuid(),
+    ]),
     playerLimit: z.number().int().min(2).max(16),
   })
   .strict();
@@ -53,7 +56,8 @@ export type RoomView = {
   id: string;
   datasetId: string;
   name: string;
-  difficulty: Difficulty;
+  difficulty: string;
+  difficultySettings: DifficultyPreset;
   playerLimit: number;
   playerCount: number;
   status: "lobby" | "loading" | "playing" | "results" | "finished" | "closed";