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fix(cursor): preserve internal agent errors without transport labels #11365

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Merged
maria-rcks merged 1 commit into from
Sep 13, 2026
Merged

fix(cursor): preserve internal agent errors without transport labels #11365

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2 changes: 2 additions & 0 deletions apps/server/src/provider/acp/CursorTransportFailure.test.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,8 @@ describe("CursorTransportFailure", () => {
"Error: ConnectError: [unauthenticated] sign in",
"Error: ConnectError: [permission_denied] subscription required",
"Error: HTTP 500 from the application being debugged",
"Error: RetriableError: [internal] Failed to run step, exceeded max retries",
"Error: RetriableError: [internal] Failed to run step, exceeded max retries\n at step (cli.js:1:2)",
])("preserves prose, code and non-transport errors: %s", (message) => {
expect(failureFor([...message])).toBeUndefined();
});
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3 changes: 2 additions & 1 deletion apps/server/src/provider/acp/CursorTransportFailure.ts
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
const maxLineLength = 4096;
// Cursor also uses RetriableError for agent-loop failures; preserve those diagnostics.
const transportError =
/^Error: (?:RetriableError: .+|ConnectError: \[(?:unavailable|aborted|deadline_exceeded)\].*)$/;
/^Error: (?:RetriableError: (?!\[internal\]).+|ConnectError: \[(?:unavailable|aborted|deadline_exceeded)\].*)$/;
const serverError = "Something went wrong communicating with the server. Please try again.";

interface ReplyState {
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