From b1d16b56838d312452d077a1ec935ba1213baa16 Mon Sep 17 00:00:00 2001
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Date: Fri, 2 Oct 2026 14:39:59 +0800
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- arguments.rs not_text_repr 对字符串直接回显原文

- 非字符串仍按 bounded_echo 序列化后截断
---
 .../src-tauri/src/agent/tool/arguments.rs                 | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/arguments.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/arguments.rs
index 7381e3559..9e120e3fd 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/tool/arguments.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/tool/arguments.rs
@@ -11,8 +11,14 @@ use super::error::{bounded_echo, ToolPageRejection};
 ///
 /// 走共享 [`ToolTextField::not_text`] 的字段自动走这里；像抠图 `backgroundMode`、美术准备
 /// `mode`、生成图片 `kind` 这类在解析里内联判类型的字段，也要用同一份口径。
+///
+/// 字符串直接回显原文：`to_string()` 会给它套一层 JSON 引号，错误里就变成「"5"」而不是
+/// 「5」；其余类型只能先序列化，再按 [`bounded_echo`] 的口径截断。
 pub(crate) fn not_text_repr(value: &Value) -> String {
-    bounded_echo(&value.to_string())
+    match value.as_str() {
+        Some(text) => bounded_echo(text),
+        None => bounded_echo(&value.to_string()),
+    }
 }
 
 /// 一个会被边界校验的文本字段。