T4(迭代22秘宝批): 呈现换代——秘宝匣柜台购买钮(buy_requested信号链→presenter buy_treasure_unlock分支,禁用态=余额不足)+分档呈现(名后缀·档位/装配行档位标签/悬停desc)+装配段未解锁禁装; 呈现桥换代(旧提灯布尔桥set_fog_lantern/FOG_LANTERN_BONUS随行退役→set_fog_glow_bonus参数面,main._sync_treasure_glow消费attune_param_sum,off态写0复原契约保持); 巢穴预告toast(nest_preview_count读数口消费); 试炼镐HUD入口(ap_bar兑换钮+convert_pressed转发链+attune_convert_state读数口,未装配隐藏); ui_input_probe case⑮换代主语wide_scout_band+4; V13功能残留换代(breakpoint_resume/ smoke剔牌库/reward_overlay夹具换新件id)+过时注释清理; 修呈现组装断裂=BoardZoneView补convert_pressed转发(挂死根因=main直连不存在的板区信号致_build_ui中断)。冒烟895/0+run_all 22套+探针含click全绿〔秘宝批 V12/V13/V19〕

game/presentation/views/board_zone_view.gd

@@ -18,6 +18,7 @@ var _board_area: Control   # resized 命名转发用（原 lambda 局部捕获
 signal action_requested(cell: Vector2i, kind: String)
 signal stop_pressed
 signal refresh_confirmed
+signal convert_pressed   # 积点兑换意图转发（迭代 22 秘宝批 T4——试炼镐 HUD 入口，源=ap_bar）
 signal legend_toggled
 signal hover_forbidden(cell: Vector2i)
 signal chord_attempted(cell: Vector2i)
@@ -82,6 +83,7 @@ func _init() -> void:
 	board_view.chord_attempted.connect(_forward_chord)
 	ap_bar.stop_pressed.connect(_emit_stop_pressed)
 	ap_bar.refresh_confirmed.connect(_emit_refresh_confirmed)
+	ap_bar.convert_pressed.connect(_emit_convert_pressed)
 	ap_bar.legend_toggled.connect(_emit_legend_toggled)
 
 
@@ -105,6 +107,10 @@ func _emit_stop_pressed() -> void:
 	stop_pressed.emit()
 
 
+func _emit_convert_pressed() -> void:
+	convert_pressed.emit()
+
+
 func _emit_refresh_confirmed() -> void:
 	refresh_confirmed.emit()