feat: Add initial lobby and main scenes with Nakama and lobby management scripts.

scripts/nakama_manager.gd

@@ -112,6 +112,46 @@ func _on_bridge_match_join_error(error) -> void:
 func is_connected_to_nakama() -> bool:
 	return socket != null and socket.is_connected_to_host()
 
+# --- Match Listing ---
+
+func list_matches_async() -> Array:
+	"""Query available matches from Nakama server."""
+	if not client:
+		push_error("Cannot list matches: Client not initialized")
+		return []
+	
+	if not session or session.is_expired():
+		push_error("Cannot list matches: No valid session")
+		return []
+	
+	print("Querying matches from Nakama server...")
+	
+	# Query matches - min 0, max 8 players, limit 20, authoritative=false for relayed matches
+	var result = await client.list_matches_async(session, 0, 8, 20, false, "", "")
+	
+	if result.is_exception():
+		printerr("Failed to list matches: ", result.get_exception().message)
+		return []
+	
+	var rooms: Array = []
+	if result.matches:
+		print("Found %d matches" % result.matches.size())
+		for match_data in result.matches:
+			print("  Match: ", match_data.match_id, " - Size: ", match_data.size)
+			# Use first 8 chars of match ID as room identifier since Nakama doesn't store custom names
+			var short_id = match_data.match_id.substr(0, 8) if match_data.match_id.length() > 8 else match_data.match_id
+			rooms.append({
+				"match_id": match_data.match_id,
+				"room_name": short_id,
+				"host_name": "Host",
+				"player_count": match_data.size if match_data.size else 1,
+				"max_players": 4
+			})
+	else:
+		print("No matches found")
+	
+	return rooms
+
 func _exit_tree():
 	if socket:
 		socket.close()