Close DDD refactor and remove generated asset proxy

server-rs/crates/module-story/src/errors.rs

@@ -14,6 +14,7 @@ pub enum StorySessionFieldError {
     MissingNarrativeText,
     MissingEventId,
     InvalidVersion,
+    InvalidGameplayReward,
 }
 
 impl fmt::Display for StorySessionFieldError {
@@ -29,6 +30,7 @@ impl fmt::Display for StorySessionFieldError {
             Self::MissingNarrativeText => f.write_str("story_event.narrative_text 不能为空"),
             Self::MissingEventId => f.write_str("story_event.event_id 不能为空"),
             Self::InvalidVersion => f.write_str("story_session.version 必须大于 0"),
+            Self::InvalidGameplayReward => f.write_str("RPG 结算奖励字段非法"),
         }
     }
 }