fix(chess): admin users and move registration

- Add role field to JOIN_ROOM message schema
- Allow admin users to join rooms and be added as players
- Update panel to pass user role when joining game rooms
- Fix chess move coordinates in tests (algebraic notation)
- Ensure admin users can make moves for both sides

api/src/games/RoomManager.test.ts

@@ -85,7 +85,7 @@ describe("RoomManager", () => {
             const create = manager.createRoom("chess", "player1");
             if (!create.ok) throw new Error("Failed to create room");
             manager.joinRoom(create.roomId, "player2", "player");
-            const result = manager.handleAction(create.roomId, "player1", { type: "move", from: [6, 4], to: [4, 4] });
+            const result = manager.handleAction(create.roomId, "player1", { type: "move", from: "e2", to: "e4" });
             expect(result.ok).toBe(true);
         });
 
@@ -94,7 +94,7 @@ describe("RoomManager", () => {
             if (!create.ok) throw new Error("Failed to create room");
             manager.joinRoom(create.roomId, "player2", "player");
             manager.joinRoom(create.roomId, "spectator1", "spectator");
-            const result = manager.handleAction(create.roomId, "spectator1", { type: "move", from: [6, 4], to: [4, 4] });
+            const result = manager.handleAction(create.roomId, "spectator1", { type: "move", from: "e2", to: "e4" });
             expect(result.ok).toBe(false);
         });
     });

api/src/games/RoomManager.ts

@@ -45,10 +45,12 @@ export class RoomManager {
         if (room.status !== "waiting") return { ok: false, error: "Game already started" };
 
         const plugin = gameRegistry.get(room.gameSlug)!;
-        if (room.players.length >= plugin.maxPlayers) return { ok: false, error: "Room is full" };
+        if (room.players.length >= plugin.maxPlayers && role !== "admin") return { ok: false, error: "Room is full" };
         if (room.players.includes(playerId) && role !== "admin") return { ok: true, started: room.status === "playing" };
 
-        room.players.push(playerId);
+        if (!room.players.includes(playerId) || role === "admin") {
+            room.players.push(playerId);
+        }
 
         if (room.players.length >= plugin.maxPlayers) {
             room.state = plugin.createInitialState(room.players);

api/src/games/types.ts

@@ -1,7 +1,5 @@
 import { z } from "zod";
 
-// --- Room types ---
-
 export interface Room {
     id: string;
     gameSlug: string;
@@ -29,19 +27,15 @@ export interface PlayerInfo {
     username: string;
 }
 
-// --- Client → Server messages ---
-
 export const GameWsClientSchema = z.discriminatedUnion("type", [
     z.object({ type: z.literal("CREATE_ROOM"), gameType: z.string() }),
-    z.object({ type: z.literal("JOIN_ROOM"), roomId: z.string(), as: z.enum(["player", "spectator"]) }),
+    z.object({ type: z.literal("JOIN_ROOM"), roomId: z.string(), as: z.enum(["player", "spectator"]), role: z.enum(["player", "admin"]).optional() }),
     z.object({ type: z.literal("LEAVE_ROOM"), roomId: z.string() }),
     z.object({ type: z.literal("GAME_ACTION"), roomId: z.string(), action: z.record(z.unknown()) }),
 ]);
 
 export type GameWsClientMessage = z.infer<typeof GameWsClientSchema>;
 
-// --- Server → Client messages ---
-
 export type GameWsServerMessage =
     | { type: "ROOM_LIST_UPDATE"; rooms: RoomSummary[] }
     | { type: "GAME_STATE"; roomId: string; state: unknown }