implement delivery ready indicator logic + off-color detection

scripts/managers/goal_manager.gd

@@ -13,11 +13,18 @@ func initialize_random_goals(size: int, min_value: int, max_value: int, null_cou
 	var rng = RandomNumberGenerator.new()
 	rng.randomize()
 	
+	const SPECIAL_VALUES = {1: 7, 2: 8, 3: 9, 4: 10}
+	
+	if LobbyManager.game_mode == "Candy Survival":
+		var val = rng.randi_range(min_value, max_value)
+		var chosen_tile = val if not val in SPECIAL_VALUES else SPECIAL_VALUES[val]
+		for i in range(size):
+			goals.append(chosen_tile)
+		return goals
+	
 	var null_val = 0
 	var max_nulls = 3
 	
-	const SPECIAL_VALUES = {1: 7, 2: 8, 3: 9, 4: 10}
-	
 	for i in range(size):
 		if null_val < max_nulls and rng.randf() < null_count:
 			goals.append(-1)