Close DDD cleanup and tests-support closure

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

@@ -1,3 +1,58 @@
 //! runtime story 应用编排落位。
 //!
 //! 这里组合纯领域规则并返回后端投影；真实保存、SSE 和模型调用由外层完成。
+
+use serde_json::Value;
+use shared_contracts::runtime_story::{
+    RuntimeBattlePresentation, RuntimeStoryOptionView, RuntimeStoryPatch,
+    RuntimeStorySnapshotPayload,
+};
+
+use crate::{StoryResolution, read_bool_field, read_optional_string_field};
+
+pub struct RuntimeStoryActionResponseParts {
+    pub requested_session_id: String,
+    pub server_version: u32,
+    pub snapshot: RuntimeStorySnapshotPayload,
+    pub action_text: String,
+    pub result_text: String,
+    pub story_text: String,
+    pub options: Vec<RuntimeStoryOptionView>,
+    pub patches: Vec<RuntimeStoryPatch>,
+    pub toast: Option<String>,
+    pub battle: Option<RuntimeBattlePresentation>,
+}
+
+pub fn simple_story_resolution(
+    game_state: &Value,
+    action_text: String,
+    result_text: &str,
+) -> StoryResolution {
+    StoryResolution {
+        action_text,
+        result_text: result_text.to_string(),
+        story_text: None,
+        presentation_options: None,
+        saved_current_story: None,
+        patches: vec![build_status_patch(game_state)],
+        battle: None,
+        toast: None,
+    }
+}
+
+pub fn build_status_patch(game_state: &Value) -> RuntimeStoryPatch {
+    RuntimeStoryPatch::StatusChanged {
+        in_battle: read_bool_field(game_state, "inBattle").unwrap_or(false),
+        npc_interaction_active: read_bool_field(game_state, "npcInteractionActive")
+            .unwrap_or(false),
+        current_npc_battle_mode: read_optional_string_field(game_state, "currentNpcBattleMode"),
+        current_npc_battle_outcome: read_optional_string_field(
+            game_state,
+            "currentNpcBattleOutcome",
+        ),
+    }
+}
+
+pub fn current_world_type(game_state: &Value) -> Option<String> {
+    read_optional_string_field(game_state, "worldType")
+}