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refactor(chat): implement turn cancellation and status management in new chat routes for improved user experience and error handling

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This commit is contained in:
Anish Sarkar 2026-05-01 01:47:52 +05:30
parent 4056bd1d69
commit af66fbf106
12 changed files with 671 additions and 81 deletions
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29
surfsense_web/lib/chat/chat-request-errors.ts
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@ -1,6 +1,6 @@
export async function toHttpResponseError(
response: Response
): Promise<Error & { errorCode?: string }> {
): Promise<Error & { errorCode?: string; retryAfterMs?: number }> {
const statusDefaultCode =
response.status === 409
? "THREAD_BUSY"
@ -52,13 +52,37 @@ export async function toHttpResponseError(
: undefined;
const errorCode = detailCode ?? topLevelCode ?? statusDefaultCode;
const detailRetryAfterMs =
typeof detailObject?.retry_after_ms === "number"
? detailObject.retry_after_ms
: typeof detailObject?.retryAfterMs === "number"
? detailObject.retryAfterMs
: undefined;
const topRetryAfterMs =
typeof parsedBody?.retry_after_ms === "number"
? parsedBody.retry_after_ms
: typeof parsedBody?.retryAfterMs === "number"
? parsedBody.retryAfterMs
: undefined;
const headerRetryAfterMsRaw = response.headers.get("retry-after-ms");
const headerRetryAfterMs = headerRetryAfterMsRaw ? Number.parseFloat(headerRetryAfterMsRaw) : NaN;
const retryAfterHeader = response.headers.get("retry-after");
const retryAfterSeconds = retryAfterHeader ? Number.parseFloat(retryAfterHeader) : NaN;
const retryAfterMsFromHeader = Number.isFinite(headerRetryAfterMs)
? Math.max(0, Math.round(headerRetryAfterMs))
: Number.isFinite(retryAfterSeconds)
? Math.max(0, Math.round(retryAfterSeconds * 1000))
: undefined;
const retryAfterMs =
detailRetryAfterMs ?? topRetryAfterMs ?? retryAfterMsFromHeader ?? undefined;
const message =
detailNestedMessage ??
detailMessage ??
topLevelMessage ??
`Backend error: ${response.status}`;
return Object.assign(new Error(message), { errorCode });
return Object.assign(new Error(message), { errorCode, retryAfterMs });
}
export function tagPreAcceptSendFailure(error: unknown): unknown {
@ -68,6 +92,7 @@ export function tagPreAcceptSendFailure(error: unknown): unknown {
const passthroughCodes = new Set([
"PREMIUM_QUOTA_EXHAUSTED",
"THREAD_BUSY",
"TURN_CANCELLING",
"AUTH_EXPIRED",
"UNAUTHORIZED",
"RATE_LIMITED",