[agent:claude-cli] feat(save): save/load automatique (30s + mort) — user://save.json, persist XP/level/inventory/achievements/position, autoload SaveManager

scripts/Main.gd

@@ -86,6 +86,12 @@ func _spawn_local_dolphin() -> void:
 
 	dolphin.add_to_group("player")
 
+	# Save system
+	var save_mgr: Node = get_node_or_null("/root/SaveManager")
+	if save_mgr != null:
+		save_mgr.register_player(dolphin)
+		save_mgr.load_game()
+
 	var ui_scene: PackedScene = load("res://scenes/InventoryUI.tscn")
 	if ui_scene != null:
 		_inventory_ui = ui_scene.instantiate() as CanvasLayer