Add character emotes across bot friend and ranked matches

tests/ranked.test.ts

@@ -17,6 +17,26 @@ import { EQUIPMENT_IDS } from '../constants/cosmetics.js';
 import { createRoomStore } from '../src/server/rooms.js';
 
 const integration = { skip: !process.env.TEST_MONGODB_URI };
+test('ranked emotes authenticate membership, reach both players and preserve hidden actions', integration, async () => {
+  const f = await fixture();
+  try {
+    await f.service.join('player-a', f.a.gameSessionId);
+    const paired = await f.service.join('player-b', f.b.gameSessionId);
+    const matchId = paired.match!.matchId;
+    await f.clock.advance(paired.match!.startsAt - f.clock.now());
+    await f.service.action('player-a', f.a.gameSessionId, matchId, 1, 'charge');
+    const sent = await f.service.emote('player-a', f.a.gameSessionId, matchId, 'greet');
+    const received = await f.service.status('player-b', f.b.gameSessionId);
+    assert.equal(received.match!.emotes?.[0]?.id, 'greet');
+    assert.deepEqual(received.match!.emotes, sent.match!.emotes);
+    assert.equal(received.match!.ownAction, null);
+    assert.deepEqual(received.match!.energy, [0, 0]);
+    await assert.rejects(f.service.emote('player-a', f.a.gameSessionId, matchId, 'thanks'), /INVALID_REQUEST/);
+    await assert.rejects(f.service.emote('player-b', f.b.gameSessionId, matchId, 'arbitrary text'), /INVALID_REQUEST/);
+    await assert.rejects(f.service.emote('player-a', f.b.gameSessionId, matchId, 'thanks'), /INVALID_SESSION/);
+    await assert.rejects(f.service.emote('player-b', f.b.gameSessionId, 'other-match', 'thanks'), /NO_ACTIVE_MATCH/);
+  } finally { await f.close(); }
+});
 function observeResultReads(db: Db, afterRead: (filter?: Record<string, unknown>) => Promise<void>) {
   const records = db.collection('ranked_matches');
   return new Proxy(db, { get(target, key) {