diff --git a/apps/ai-game-creator-shell/src-tauri/src/agent/runtime_tools/ui_design_doc.rs b/apps/ai-game-creator-shell/src-tauri/src/agent/runtime_tools/ui_design_doc.rs
index 423d63859..ca9a24160 100644
--- a/apps/ai-game-creator-shell/src-tauri/src/agent/runtime_tools/ui_design_doc.rs
+++ b/apps/ai-game-creator-shell/src-tauri/src/agent/runtime_tools/ui_design_doc.rs
@@ -35,11 +35,11 @@ pub(in crate::agent) fn observe_agent_runtime_ui_design_doc_from_images(
     let tool = UI_DESIGN_DOC_FROM_IMAGES_TOOL;
     let arguments = match serde_json::from_value::<FromImagesArguments>(input.clone()) {
         Ok(arguments) => arguments,
-        Err(error) => return rejected(tool, format!("{tool} 输入无效：{error}")),
+        Err(error) => return rejected(root, tool, format!("{tool} 输入无效：{error}")),
     };
     let expected_project_id = match game_creator_agent_runtime_context_project_id(root) {
         Ok(project_id) => project_id,
-        Err(error) => return rejected(tool, error),
+        Err(error) => return rejected(root, tool, error),
     };
     let revision_before = read_game_creator_agent_runtime_project_revision(root)
         .ok()
@@ -83,11 +83,11 @@ pub(in crate::agent) async fn observe_agent_runtime_ui_design_doc_run_workflow(
     let tool = UI_DESIGN_DOC_RUN_WORKFLOW_TOOL;
     let arguments = match serde_json::from_value::<DesignDocArguments>(input.clone()) {
         Ok(arguments) => arguments,
-        Err(error) => return rejected(tool, format!("{tool} 输入无效：{error}")),
+        Err(error) => return rejected(root, tool, format!("{tool} 输入无效：{error}")),
     };
     let expected_project_id = match game_creator_agent_runtime_context_project_id(root) {
         Ok(project_id) => project_id,
-        Err(error) => return rejected(tool, error),
+        Err(error) => return rejected(root, tool, error),
     };
     let revision_before = read_game_creator_agent_runtime_project_revision(root)
         .ok()
@@ -142,11 +142,11 @@ pub(in crate::agent) fn observe_agent_runtime_ui_design_doc_into_js(
     let tool = UI_DESIGN_DOC_INTO_JS_TOOL;
     let arguments = match serde_json::from_value::<DesignDocArguments>(input.clone()) {
         Ok(arguments) => arguments,
-        Err(error) => return rejected(tool, format!("{tool} 输入无效：{error}")),
+        Err(error) => return rejected(root, tool, format!("{tool} 输入无效：{error}")),
     };
     let expected_project_id = match game_creator_agent_runtime_context_project_id(root) {
         Ok(project_id) => project_id,
-        Err(error) => return rejected(tool, error),
+        Err(error) => return rejected(root, tool, error),
     };
     match generate_ui_design_code_at(GenerateUiDesignCodeInput {
         project_path: root.to_string_lossy().into_owned(),
@@ -166,12 +166,12 @@ pub(in crate::agent) fn observe_agent_runtime_ui_design_doc_into_js(
     }
 }
 
-/// 输入解析失败：模型只给了参数，摘要里不含宿主路径，无需再脱敏。
-fn rejected(tool: &str, summary: String) -> AgentRuntimeToolObservation {
+/// 输入解析失败或项目上下文缺失：统一脱敏，避免摘要把宿主路径带给 provider。
+fn rejected(root: &Path, tool: &str, summary: String) -> AgentRuntimeToolObservation {
     AgentRuntimeToolObservation {
         tool: tool.to_string(),
         status: "rejected".to_string(),
-        summary,
+        summary: redact_agent_runtime_project_paths(root, &summary, 240),
         detail: None,
     }
 }