# Task ID: 22
# Title: In-Room Chat (Text & Emotes)
# Status: pending
# Dependencies: 10, 12
# Priority: medium
# Description: Add a real-time chat feature within game rooms, supporting both text messages and a selection of emotes.
# Details:
Frontend: Implement a chat input field and message display area in the room UI. Include an emote picker. Backend: Implement WebSocket message type for `CHAT_MESSAGE`. Broadcast chat messages to all participants in the room. Implement basic message filtering for offensive content.

# Test Strategy:
Join a room with multiple players. Send text messages and emotes. Verify all players receive messages in real-time. Test message filtering. Check for UI responsiveness with many messages.