Clean up abandoned matches and fix analytics validation

tests/presence.test.ts

@@ -9,7 +9,7 @@ import { PRESENCE_AUTH_REFRESH_MS } from '../constants/presence.js';
 
 test('presence counts authenticated players once across tabs and removes disconnected players', async () => {
   const http = createServer(), io = new Server(http);
-  registerPresence(io, { async get(auth: { token: string; gameSessionId: string }) {
+  registerPresence(io, { async touchPresence(auth: { token: string; gameSessionId: string }) {
     if (auth.token !== 'valid') throw new ApiError(401, 'INVALID_SESSION');
     return { playerId: auth.gameSessionId.startsWith('a') ? 'a' : 'b' };
   } } as unknown as GameSessionStore);
@@ -45,7 +45,7 @@ test('temporary revalidation errors allow reconnect, invalid sessions remain dis
   }) as typeof setInterval);
   let failure: 'temporary' | 'invalid' | undefined;
   const http = createServer(), io = new Server(http);
-  registerPresence(io, { async get() {
+  registerPresence(io, { async touchPresence() {
     if (failure === 'invalid') throw new ApiError(401, 'INVALID_SESSION');
     if (failure === 'temporary') { failure = undefined; throw new Error('DB_UNAVAILABLE'); }
     return { playerId: 'one' };