Fix stale tool error badges (#247)

* Fix GPU sandbox hardware OAuth failure

Co-authored-by: OpenAI Codex <codex@openai.com>

* Address sandbox sleep-time review

Co-authored-by: OpenAI Codex <codex@openai.com>

* Fix stale tool error badges

Co-authored-by: OpenAI Codex <codex@openai.com>

---------

Co-authored-by: OpenAI Codex <codex@openai.com>

frontend/src/components/Chat/ToolCallGroup.tsx

@@ -784,12 +784,15 @@ export default function ToolCallGroup({ tools, approveTools }: ToolCallGroupProp
   // Persist error states when tools error
   useEffect(() => {
     for (const tool of tools) {
-      const currentlyHasError = tool.state === 'output-error';
+      const currentlyHasError = tool.state === 'output-error' && !isCancelledTool(tool);
       const persistedError = getToolError(tool.toolCallId);
 
-      // Persist error state if we detect it and haven't already
+      // Persist real error states across refresh. Clear stale persisted errors
+      // once the SDK reports a successful output for the same tool call.
       if (currentlyHasError && !persistedError) {
         setToolError(tool.toolCallId, true);
+      } else if (tool.state === 'output-available' && persistedError) {
+        setToolError(tool.toolCallId, false);
       }
     }
   }, [tools, setToolError, getToolError]);

frontend/src/store/agentStore.ts

@@ -518,7 +518,12 @@ export const useAgentStore = create<AgentStore>()((set, get) => ({
 
   setToolError: (toolCallId, hasError) => {
     set((state) => {
-      const updated = { ...state.toolErrors, [toolCallId]: hasError };
+      const updated = { ...state.toolErrors };
+      if (hasError) {
+        updated[toolCallId] = true;
+      } else {
+        delete updated[toolCallId];
+      }
       saveToolErrors(updated);
       return { toolErrors: updated };
     });