Close DDD cleanup and tests-support closure

server-rs/crates/module-runtime-story/src/commands.rs

@@ -1,3 +1,16 @@
-//! runtime story 写入命令过渡落位。
+//! runtime story 写入命令。
 //!
 //! 用于表达剧情动作解析、战斗动作、锻造动作和 NPC 互动等输入。
+
+use shared_contracts::runtime_story::RuntimeStoryActionRequest;
+
+use crate::read_optional_string_field;
+
+pub fn resolve_action_text(default_text: &str, request: &RuntimeStoryActionRequest) -> String {
+    request
+        .action
+        .payload
+        .as_ref()
+        .and_then(|payload| read_optional_string_field(payload, "optionText"))
+        .unwrap_or_else(|| default_text.to_string())
+}