diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/wire.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/wire.rs
index 6fae76ca5..fe9c76157 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/wire.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/direct_codex_user_item/wire.rs
@@ -1,6 +1,10 @@
-use super::model::{DirectCodexUserContentPart, DirectCodexUserItem};
+use super::model::{
+    DirectCodexUserContentPart, DirectCodexUserItem, DirectCodexUserRuntimeRegionPart,
+};
 use super::validation::validate_direct_codex_user_item;
-use crate::agent::{read_manifest_for_project, sanitize_attachment_local_path};
+use crate::agent::{
+    read_manifest_for_project, sanitize_attachment_local_path, GameCreationAppManifest,
+};
 use serde_json::Value;
 use std::path::Path;
 
@@ -51,6 +55,47 @@ fn direct_codex_user_item_to_response_content(
         .collect()
 }
 
+fn resource_reference_summary(
+    manifest: &GameCreationAppManifest,
+    resource_id: &str,
+) -> Result<String, String> {
+    let resource_id = resource_id.trim();
+    let asset = manifest
+        .assets
+        .iter()
+        .find(|asset| asset.id == resource_id)
+        .ok_or_else(|| "引用的素材已不存在，请移除后重新选择".to_string())?;
+    let path = sanitize_attachment_local_path(&asset.local_path)
+        .ok_or_else(|| "引用的素材路径无效，请移除后重新选择".to_string())?;
+    Ok(format!(
+        "[素材引用 resourceId={resource_id}；项目路径={path}]"
+    ))
+}
+
+fn runtime_region_summary(reference: &DirectCodexUserRuntimeRegionPart) -> String {
+    let resources = reference
+        .resource_ids
+        .iter()
+        .map(|id| id.trim())
+        .collect::<Vec<_>>()
+        .join(",");
+    let mut summary = format!("[运行画面区域：名称={} ", reference.label.trim());
+    if let Some(run_id) = reference.run_id.as_deref() {
+        summary.push_str(&format!("运行标识={} ", run_id.trim()));
+    }
+    if let Some(role) = reference.element_role.as_deref() {
+        summary.push_str(&format!("角色={} ", role.trim()));
+    }
+    if let Some(text) = reference.text.as_deref() {
+        summary.push_str(&format!("文本={} ", text.trim()));
+    }
+    if !resources.is_empty() {
+        summary.push_str(&format!("关联素材={resources}"));
+    }
+    summary.push(']');
+    summary
+}
+
 /// 将 canonical user item 转为 app-server `turn/start.input` 可接受的文本数组。
 /// AGC 私有 part 只在这里投影为安全摘要，canonical item 本身不被修改。
 pub(crate) fn direct_codex_user_item_to_wire_input(
@@ -65,43 +110,13 @@ pub(crate) fn direct_codex_user_item_to_wire_input(
         let text = match part {
             DirectCodexUserContentPart::InputText { text } => text.clone(),
             DirectCodexUserContentPart::AgcResourceReference { resource_id } => {
-                let asset = manifest
-                    .assets
-                    .iter()
-                    .find(|asset| asset.id == resource_id.trim())
-                    .ok_or_else(|| "引用的素材已不存在，请移除后重新选择".to_string())?;
-                let path = sanitize_attachment_local_path(&asset.local_path)
-                    .ok_or_else(|| "引用的素材路径无效，请移除后重新选择".to_string())?;
-                format!(
-                    "[素材引用 resourceId={}；项目路径={path}]",
-                    resource_id.trim()
-                )
+                resource_reference_summary(&manifest, resource_id)?
             }
             DirectCodexUserContentPart::AgcSkillReference { name } => {
                 format!("${}", name.trim())
             }
             DirectCodexUserContentPart::AgcRuntimeRegionReference(reference) => {
-                let resources = reference
-                    .resource_ids
-                    .iter()
-                    .map(|id| id.trim())
-                    .collect::<Vec<_>>()
-                    .join(",");
-                let mut summary = format!("[运行画面区域：名称={} ", reference.label.trim());
-                if let Some(run_id) = reference.run_id.as_deref() {
-                    summary.push_str(&format!("运行标识={} ", run_id.trim()));
-                }
-                if let Some(role) = reference.element_role.as_deref() {
-                    summary.push_str(&format!("角色={} ", role.trim()));
-                }
-                if let Some(text) = reference.text.as_deref() {
-                    summary.push_str(&format!("文本={} ", text.trim()));
-                }
-                if !resources.is_empty() {
-                    summary.push_str(&format!("关联素材={resources}"));
-                }
-                summary.push(']');
-                summary
+                runtime_region_summary(reference)
             }
             DirectCodexUserContentPart::AgcAttachmentReference(reference) => {
                 let mut summary = format!(
@@ -137,16 +152,9 @@ pub(crate) fn direct_codex_user_item_to_codex_turn_input(
                 input.push(serde_json::json!({ "type": "text", "text": text }));
             }
             DirectCodexUserContentPart::AgcResourceReference { resource_id } => {
-                let asset = manifest
-                    .assets
-                    .iter()
-                    .find(|asset| asset.id == resource_id.trim())
-                    .ok_or_else(|| "引用的素材已不存在，请移除后重新选择".to_string())?;
-                let path = sanitize_attachment_local_path(&asset.local_path)
-                    .ok_or_else(|| "引用的素材路径无效，请移除后重新选择".to_string())?;
                 input.push(serde_json::json!({
                     "type": "text",
-                    "text": format!("[素材引用 resourceId={}；项目路径={path}]", resource_id.trim()),
+                    "text": resource_reference_summary(&manifest, resource_id)?,
                 }));
             }
             DirectCodexUserContentPart::AgcSkillReference { name } => {
@@ -163,29 +171,9 @@ pub(crate) fn direct_codex_user_item_to_codex_turn_input(
                 }));
             }
             DirectCodexUserContentPart::AgcRuntimeRegionReference(reference) => {
-                let resources = reference
-                    .resource_ids
-                    .iter()
-                    .map(|id| id.trim())
-                    .collect::<Vec<_>>()
-                    .join(",");
-                let mut summary = format!("[运行画面区域：名称={} ", reference.label.trim());
-                if let Some(run_id) = reference.run_id.as_deref() {
-                    summary.push_str(&format!("运行标识={} ", run_id.trim()));
-                }
-                if let Some(role) = reference.element_role.as_deref() {
-                    summary.push_str(&format!("角色={} ", role.trim()));
-                }
-                if let Some(text) = reference.text.as_deref() {
-                    summary.push_str(&format!("文本={} ", text.trim()));
-                }
-                if !resources.is_empty() {
-                    summary.push_str(&format!("关联素材={resources}"));
-                }
-                summary.push(']');
                 input.push(serde_json::json!({
                     "type": "text",
-                    "text": summary,
+                    "text": runtime_region_summary(reference),
                 }));
             }
         }