Close DDD cleanup and tests-support closure

server-rs/crates/module-combat/src/domain.rs

@@ -1,8 +1,9 @@
-//! 战斗领域模型过渡落位。
+//! 战斗领域模型。
 //!
-//! 后续迁移 `BattleState` 与行动结算规则时，只保留单聚合内部状态变化；
-//! 背包奖励、成长记账和任务联动由应用服务或 SpacetimeDB 事务 adapter 编排。
+//! 本文件只承载战斗聚合内部状态和值对象；背包奖励、成长记账和任务联动由
+//! SpacetimeDB 事务 adapter 编排，不在战斗领域内直连其他上下文。
 
+use module_runtime_item::RuntimeItemRewardItemSnapshot;
 use serde::{Deserialize, Serialize};
 #[cfg(feature = "spacetime-types")]
 use spacetimedb::SpacetimeType;
@@ -83,3 +84,35 @@ impl CombatOutcome {
         }
     }
 }
+
+#[cfg_attr(feature = "spacetime-types", derive(SpacetimeType))]
+#[derive(Clone, Debug, PartialEq, Eq, Serialize, Deserialize)]
+pub struct BattleStateSnapshot {
+    pub battle_state_id: String,
+    pub story_session_id: String,
+    pub runtime_session_id: String,
+    pub actor_user_id: String,
+    pub chapter_id: Option<String>,
+    pub target_npc_id: String,
+    pub target_name: String,
+    pub battle_mode: BattleMode,
+    pub status: BattleStatus,
+    pub player_hp: i32,
+    pub player_max_hp: i32,
+    pub player_mana: i32,
+    pub player_max_mana: i32,
+    pub target_hp: i32,
+    pub target_max_hp: i32,
+    pub experience_reward: u32,
+    pub reward_items: Vec<RuntimeItemRewardItemSnapshot>,
+    pub turn_index: u32,
+    pub last_action_function_id: Option<String>,
+    pub last_action_text: Option<String>,
+    pub last_result_text: Option<String>,
+    pub last_damage_dealt: i32,
+    pub last_damage_taken: i32,
+    pub last_outcome: CombatOutcome,
+    pub version: u32,
+    pub created_at_micros: i64,
+    pub updated_at_micros: i64,
+}