merge: 代码审查批1合回——fatal 通道置 fatal_error 阻断(P1-1)+_reject 展平(P2-5)+快照换行(P2-6)；worktree 验证单测7套+冒烟576/0+审计计数同基线

game/core/action_economy.gd

@@ -164,4 +164,7 @@ func _finish_round(path_tag: String, continuation_hint: String) -> void:
 
 
 func _reject(source: String) -> void:
-	push_warning("[行动经济] 动作被拒（%s 相位守卫/资源）" % source if source == "phase" else "[行动经济] 资源不足拒绝")
+	if source == "phase":
+		push_warning("[行动经济] 动作被拒（%s 相位守卫/资源）" % source)
+	else:
+		push_warning("[行动经济] 资源不足拒绝")

game/core/battle_orchestrator.gd

@@ -54,7 +54,7 @@ var _damage: DamageController   # 伤害控制器（伤害管线单据化批 202
 
 var encounter: Dictionary = {}
 var round_index := 0
-var battle_result := ""                    # "" / "victory" / "defeat"
+var battle_result := ""                    # "" / "victory" / "defeat" / "fatal_error"
 var escrow := 0                            # 战斗内 GP 缓冲（战斗域中间态——begin_battle 清零；gp_gain/gp_loss 兑付累记；随 gp_dropped 上抛即弃，不入钱包）
 
 var _facts_reveals: Array = []
@@ -802,7 +802,8 @@ func query_reward_identity(cell: Vector2i):
 
 # 诊断观测面（组合根诊断转储 / 行为探针消费）：私有编排状态的成文只读出口——
 # 消费方禁止再直读本类下划线字段（code-review 2026-09-12 封装收口批）
-func diagnostic_snapshot() -> Dictionary:	return {
+func diagnostic_snapshot() -> Dictionary:
+	return {
 		"battle_result": battle_result,
 		"round": round_index,
 		"settling": _settling,
@@ -861,4 +862,5 @@ func _assert_row_source(type: String, source_class: String, origin_cell: Vector2
 
 func _fatal(msg: String) -> void:
 	push_error("[战斗结算/fatal] " + msg)
+	battle_result = "fatal_error"   # release 构建剥离 assert 后的唯一阻断面——受理/结算/刷新入口全查 battle_result == ""
 	assert(false, msg)