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 69570ae62..fd2aa7b3d 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
@@ -3790,6 +3790,13 @@ fn cocos_execute_code(
     cocos_execute_code_input(arguments)
 }
 
+/// Cocos code 执行结果的字符上限。
+#[cfg(all(windows, feature = "cocos-editor-execute"))]
+const DIRECT_TOOL_BRIDGE_COCOS_CODE_RESULT_MAX_CHARS: usize = 32_000;
+/// Cocos operation 结果可能带预览载荷，给更大的上限。
+#[cfg(all(windows, feature = "cocos-editor-execute"))]
+const DIRECT_TOOL_BRIDGE_COCOS_OPERATION_RESULT_MAX_CHARS: usize = 2 * 1024 * 1024;
+
 #[cfg(all(windows, feature = "cocos-editor-execute"))]
 async fn bridge_cocos_execute(
     state: &DirectToolBridgeState,
@@ -3887,7 +3894,17 @@ async fn bridge_cocos_call(
                     screenshots: images,
                 });
             }
-            Ok(bridge_tool_result(report.to_string(), images))
+            Ok(bridge_tool_result(
+                crate::agent::redaction::truncate_agent_runtime_text(
+                    &report.to_string(),
+                    if operation.is_some() {
+                        DIRECT_TOOL_BRIDGE_COCOS_OPERATION_RESULT_MAX_CHARS
+                    } else {
+                        DIRECT_TOOL_BRIDGE_COCOS_CODE_RESULT_MAX_CHARS
+                    },
+                ),
+                images,
+            ))
         }
         failed => {
             let (is_uncertain, error) = match failed {