feat: Introduce core game managers and main scene, implementing player UI for board, actions, and power-ups.

scripts/managers/ui_manager.gd

@@ -27,6 +27,7 @@ var playerboard_ui
 var action_menu_instance
 var powerup_inventory_ui
 var timer_label: Label
+var playerboard_label: Label # Shows (xN) goal completions
 
 var local_player_character
 var _previous_playerboard_state: Array = []
@@ -390,9 +391,32 @@ func setup_timer_labels(main_node):
 	if t_label:
 		timer_label = t_label # Store reference
 		t_label.add_theme_color_override("font_color", Color(1.0, 0.85, 0.2))
-		print("[UIManager] SUCCESS: Found and stored TimerLabel reference.")
 	else:
 		print("[UIManager] ERROR: GoalsTimer found but TimerLabel NOT found at node/TimerLabel")
+	var suffix_label = goals_timer.get_node_or_null("SuffixLabel")
+	if suffix_label:
+		suffix_label.add_theme_color_override("font_color", Color(0.7, 0.7, 0.7))
+
+func setup_playerboard_label(main_node):
+	var lbl = main_node.get_node_or_null("PlayerBoardLabel")
+	if lbl:
+		playerboard_label = lbl
+		playerboard_label.text = "" # Hidden initially
+		print("[UIManager] Found PlayerBoardLabel")
+	else:
+		print("[UIManager] PlayerBoardLabel not found")
+
+func update_goal_count_label(count: int):
+	if playerboard_label:
+		if count > 0:
+			playerboard_label.text = "x%d" % count
+			
+			# Pop effect
+			var tween = playerboard_label.create_tween()
+			playerboard_label.scale = Vector2(1.5, 1.5)
+			tween.tween_property(playerboard_label, "scale", Vector2(1.0, 1.0), 0.3).set_trans(Tween.TRANS_BOUNCE)
+		else:
+			playerboard_label.text = ""
 
 # Method to update leaderboard with all players in match
 func initialize_leaderboard_with_players(players: Array):