diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tool_bridge.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tool_bridge.rs
index 08c60dcb2..69570ae62 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tool_bridge.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/direct_tool_bridge.rs
@@ -3635,6 +3635,14 @@ async fn bridge_godot_execute(
     .await
 }
 
+/// 编辑器响应给模型前的字符上限：保留原文，只挡住超大 stdout/result。
+#[cfg(all(
+    windows,
+    target_arch = "x86_64",
+    any(feature = "unity-editor-execute", feature = "godot-editor-execute")
+))]
+const DIRECT_TOOL_BRIDGE_EDITOR_RESPONSE_MAX_CHARS: usize = 32_000;
+
 #[cfg(all(
     windows,
     target_arch = "x86_64",
@@ -3664,7 +3672,13 @@ async fn bridge_editor_execute(
                     report: response,
                 });
             }
-            Ok(bridge_tool_result(response.to_string(), Vec::new()))
+            Ok(bridge_tool_result(
+                crate::agent::redaction::truncate_agent_runtime_text(
+                    &response.to_string(),
+                    DIRECT_TOOL_BRIDGE_EDITOR_RESPONSE_MAX_CHARS,
+                ),
+                Vec::new(),
+            ))
         }
         Ok(Err(error)) => Err(error),
         Err(_) => Err(EditorExecuteError::ExecutionUnconfirmed { editor }),