shumengya/sproutclaw
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

fix(ai): preserve Anthropic refusal details (#5666)

Browse Source 
Propagate Anthropic refusal stop_details explanation to errorMessage
This commit is contained in:
Ramiz Wachtler
2026-06-12 14:52:46 +02:00
committed by GitHub
parent 1c24336560
commit a455f62f72
2 changed files with 79 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

31
packages/ai/src/providers/anthropic.ts
View File

@@ -5,6 +5,7 @@ import type {
MessageCreateParamsStreaming,
MessageParam,
RawMessageStreamEvent,
RefusalStopDetails,
} from "@anthropic-ai/sdk/resources/messages.js";
import { calculateCost } from "../models.ts";
import type {
@@ -660,7 +661,11 @@ export const streamAnthropic: StreamFunction<"anthropic-messages", AnthropicOpti
}
} else if (event.type === "message_delta") {
if (event.delta.stop_reason) {
output.stopReason = mapStopReason(event.delta.stop_reason);
const stopReasonResult = mapStopReason(event.delta.stop_reason, event.delta.stop_details);
output.stopReason = stopReasonResult.stopReason;
if (stopReasonResult.errorMessage) {
output.errorMessage = stopReasonResult.errorMessage;
}
}
// Only update usage fields if present (not null).
// Preserves input_tokens from message_start when proxies omit it in message_delta.
@@ -688,7 +693,7 @@ export const streamAnthropic: StreamFunction<"anthropic-messages", AnthropicOpti
}
if (output.stopReason === "aborted" || output.stopReason === "error") {
throw new Error("An unknown error occurred");
throw new Error(output.errorMessage || "An unknown error occurred");
}
stream.push({ type: "done", reason: output.stopReason, message: output });
@@ -1202,22 +1207,28 @@ function convertTools(
});
}
function mapStopReason(reason: Anthropic.Messages.StopReason | string): StopReason {
function mapStopReason(
reason: Anthropic.Messages.StopReason | string,
stopDetails?: RefusalStopDetails | null,
): { stopReason: StopReason; errorMessage?: string } {
switch (reason) {
case "end_turn":
return "stop";
return { stopReason: "stop" };
case "max_tokens":
return "length";
return { stopReason: "length" };
case "tool_use":
return "toolUse";
return { stopReason: "toolUse" };
case "refusal":
return "error";
return {
stopReason: "error",
errorMessage: stopDetails?.explanation || `The model refused to complete the request`,
};
case "pause_turn": // Stop is good enough -> resubmit
return "stop";
return { stopReason: "stop" };
case "stop_sequence":
return "stop"; // We don't supply stop sequences, so this should never happen
return { stopReason: "stop" }; // We don't supply stop sequences, so this should never happen
case "sensitive": // Content flagged by safety filters (not yet in SDK types)
return "error";
return { stopReason: "error" };
default:
// Handle unknown stop reasons gracefully (API may add new values)
throw new Error(`Unhandled stop reason: ${reason}`);