diff --git a/game/presentation/main.gd b/game/presentation/main.gd
index 8f0c7043..4b29cd45 100644
--- a/game/presentation/main.gd
+++ b/game/presentation/main.gd
@@ -928,6 +928,9 @@ func _on_node_continue() -> void:
 
 func _on_choices_presented(candidates: Array) -> void:
 	# 零自动推进的停点呈现：整幅节点图 + 图上点击选路（候选按钮退役 2026-09-28——战斗胜利/兑付确认统一到达此处）
+	if OS.get_environment("T17_LOCK_DEBUG") != "":
+		print("[choices_dbg] handler entered cands=%d runner_null=%s node=%s" % [
+			candidates.size(), str(runner == null), str(runner.node_index) if runner != null else "-"])
 	if runner == null:
 		return
 	log_view.append_bb(Narrator.route_line(candidates, runner))
@@ -937,6 +940,8 @@ func _on_choices_presented(candidates: Array) -> void:
 	# 的当前节点非 battle 型——三态天然分流）。Boss 胜/失败走 level_finished 另路不经此处。
 	if _adventure_mode and runner.current_battle() == null \
 			and String(runner.current_node().get("type", "")) == "battle" and not candidates.is_empty():
+		if OS.get_environment("T17_LOCK_DEBUG") != "":
+			print("[choices_dbg] -> battle stop overlay (node %s)" % str(runner.node_index))
 		_settlement_stop_pending = true
 		_pending_candidates = candidates.duplicate()
 		_end_overlay.open_victory(Narrator.battle_end_text("victory", false), "下一节点",
@@ -945,6 +950,9 @@ func _on_choices_presented(candidates: Array) -> void:
 		_open_modal(_end_overlay)
 		_refresh_presentations()
 		return
+	if OS.get_environment("T17_LOCK_DEBUG") != "":
+		print("[choices_dbg] -> level_screen (node %s type %s cands %d)" % [
+			str(runner.node_index), String(runner.current_node().get("type", "")), candidates.size()])
 	_enter_level_screen()
 	level_screen.open_choices(candidates, runner)
 	_refresh_presentations()