style(design): apply Minimal Dark Mode design system\n\n- Switched to complete Dark Mode (OLED-friendly)\n- Established standard color palette matching modern technical aesthetics\n- Changed font to Plus Jakarta Sans for increased legibility\n- Enforced dark mode as default in App.tsx\n- Fixed several React cascading render (setState in useEffect) warnings
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@@ -1,431 +1,431 @@
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import { isEmpty, isNumber, isObjectLike, isString } from 'lodash-es';
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export enum RateLimitReason {
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QuotaExhausted = 'quota_exhausted',
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RateLimitExceeded = 'rate_limit_exceeded',
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ModelCapacityExhausted = 'model_capacity_exhausted',
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ServerError = 'server_error',
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Unknown = 'unknown',
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}
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interface RateLimitInfo {
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resetTimeMs: number;
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retryAfterSec: number;
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reason: RateLimitReason;
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model?: string;
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}
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type FailureCountEntry = {
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count: number;
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lastFailureMs: number;
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};
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interface GoogleErrorDetail {
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reason?: string;
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retryDelay?: string;
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metadata?: {
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quotaResetDelay?: string;
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retryDelay?: string;
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};
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}
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||||
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||||
interface ParsedGoogleErrorBody {
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error?: {
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status?: string;
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details?: GoogleErrorDetail[];
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retry_after?: number;
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};
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}
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||||
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const FAILURE_COUNT_EXPIRY_MS = 60 * 60 * 1000;
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function toLowerText(value: string | undefined): string {
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return (value ?? '').toLowerCase();
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}
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||||
|
||||
function parseDurationToSeconds(text: string): number | null {
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const match = text.match(/(?:(\d+)h)?(?:(\d+)m)?(?:(\d+(?:\.\d+)?)s)?(?:(\d+(?:\.\d+)?)ms)?/i);
|
||||
if (!match) {
|
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return null;
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}
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const hours = Number(match[1] ?? 0);
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const minutes = Number(match[2] ?? 0);
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const seconds = Number(match[3] ?? 0);
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const milliseconds = Number(match[4] ?? 0);
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|
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const totalSeconds =
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hours * 3600 + minutes * 60 + Math.ceil(seconds) + Math.ceil(milliseconds / 1000);
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if (totalSeconds <= 0) {
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return null;
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}
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return totalSeconds;
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}
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||||
|
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function tryParseGoogleErrorBody(body: string | undefined): ParsedGoogleErrorBody | null {
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const trimmed = (body ?? '').trim();
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if (!trimmed.startsWith('{') && !trimmed.startsWith('[')) {
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return null;
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}
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|
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try {
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const parsed = JSON.parse(trimmed) as ParsedGoogleErrorBody;
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if (!isObjectLike(parsed)) {
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return null;
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}
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return parsed;
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} catch {
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return null;
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}
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}
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function mapGoogleReasonToTrackerReason(reason: string): RateLimitReason | null {
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const normalizedReason = reason.trim().toUpperCase();
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if (normalizedReason === 'QUOTA_EXHAUSTED') {
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return RateLimitReason.QuotaExhausted;
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}
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if (normalizedReason === 'RATE_LIMIT_EXCEEDED') {
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return RateLimitReason.RateLimitExceeded;
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}
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if (normalizedReason === 'MODEL_CAPACITY_EXHAUSTED') {
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return RateLimitReason.ModelCapacityExhausted;
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}
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return null;
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}
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export class RateLimitTracker {
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private readonly lockoutByKey = new Map<string, RateLimitInfo>();
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private readonly failureCounts = new Map<string, FailureCountEntry>();
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private buildLockoutKey(accountId: string, model?: string): string {
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if (!isEmpty(model?.trim() ?? '')) {
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return `${accountId}:${model}`;
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}
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return accountId;
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}
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getRemainingWaitSeconds(accountId: string, model?: string): number {
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const now = Date.now();
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const globalLock = this.lockoutByKey.get(accountId);
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if (globalLock && globalLock.resetTimeMs > now) {
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return Math.max(0, Math.ceil((globalLock.resetTimeMs - now) / 1000));
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}
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if (model) {
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const modelKey = this.buildLockoutKey(accountId, model);
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const modelLock = this.lockoutByKey.get(modelKey);
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if (modelLock && modelLock.resetTimeMs > now) {
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return Math.max(0, Math.ceil((modelLock.resetTimeMs - now) / 1000));
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}
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}
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return 0;
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}
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getRemainingWaitSec(accountId: string, model?: string): number {
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return this.getRemainingWaitSeconds(accountId, model);
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}
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isRateLimited(accountId: string, model?: string): boolean {
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return this.getRemainingWaitSeconds(accountId, model) > 0;
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}
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setLockoutUntilIso(
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accountId: string,
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resetTimeIso: string,
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reason: RateLimitReason,
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model?: string,
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): boolean {
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const timestamp = Date.parse(resetTimeIso);
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if (!Number.isFinite(timestamp)) {
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return false;
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}
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this.setLockoutUntil(accountId, timestamp, reason, model);
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return true;
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}
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private setLockoutUntil(
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accountId: string,
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resetTimeMs: number,
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reason: RateLimitReason,
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model?: string,
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): void {
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const retryAfterSec = Math.max(2, Math.ceil((resetTimeMs - Date.now()) / 1000));
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const key = !isEmpty(model?.trim() ?? '') ? this.buildLockoutKey(accountId, model) : accountId;
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this.lockoutByKey.set(key, {
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resetTimeMs,
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retryAfterSec,
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reason,
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model,
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});
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}
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clear(accountId: string): boolean {
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return this.lockoutByKey.delete(accountId);
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}
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clearAll(): number {
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const size = this.lockoutByKey.size;
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this.lockoutByKey.clear();
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return size;
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}
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cleanupExpired(): number {
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const now = Date.now();
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let deleted = 0;
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for (const [key, info] of this.lockoutByKey.entries()) {
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if (info.resetTimeMs <= now) {
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this.lockoutByKey.delete(key);
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deleted++;
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}
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}
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for (const [key, entry] of this.failureCounts.entries()) {
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if (entry.lastFailureMs + FAILURE_COUNT_EXPIRY_MS <= now) {
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this.failureCounts.delete(key);
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deleted++;
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}
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}
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return deleted;
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}
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markSuccess(accountId: string): void {
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this.failureCounts.delete(accountId);
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this.lockoutByKey.delete(accountId);
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}
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trackFromUpstreamError(params: {
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accountId: string;
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status?: number;
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retryAfter?: string;
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body?: string;
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model?: string;
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backoffSteps: number[];
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}): RateLimitInfo | null {
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const status = params.status ?? 0;
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if (![404, 429, 500, 503, 529].includes(status)) {
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return null;
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}
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const reason = this.detectRateLimitReason(status, params.body);
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const retryAfterSec = this.computeRetryAfterSeconds({
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reason,
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status,
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retryAfter: params.retryAfter,
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body: params.body,
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accountId: params.accountId,
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backoffSteps: params.backoffSteps,
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});
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const info: RateLimitInfo = {
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reason,
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retryAfterSec,
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resetTimeMs: Date.now() + retryAfterSec * 1000,
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model: params.model,
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};
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const useModelKey = reason === RateLimitReason.QuotaExhausted && Boolean(params.model);
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const key = useModelKey
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? this.buildLockoutKey(params.accountId, params.model)
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: params.accountId;
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this.lockoutByKey.set(key, info);
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return info;
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}
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parseAndMarkFromError(params: {
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accountId: string;
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status?: number;
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retryAfter?: string;
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body?: string;
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model?: string;
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backoffSteps: number[];
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}): RateLimitInfo | null {
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return this.trackFromUpstreamError(params);
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}
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private detectRateLimitReason(status: number, body: string | undefined): RateLimitReason {
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const parsedBody = tryParseGoogleErrorBody(body);
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const details = Array.isArray(parsedBody?.error?.details) ? parsedBody?.error?.details : [];
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for (const detail of details) {
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if (!isString(detail.reason) || isEmpty(detail.reason.trim())) {
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continue;
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}
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const mappedReason = mapGoogleReasonToTrackerReason(detail.reason);
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if (mappedReason) {
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return mappedReason;
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}
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}
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const statusFromBody = parsedBody?.error?.status?.trim().toUpperCase();
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if (statusFromBody === 'RESOURCE_EXHAUSTED') {
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return RateLimitReason.QuotaExhausted;
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}
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if (statusFromBody === 'UNAVAILABLE') {
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const loweredBody = toLowerText(body);
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if (loweredBody.includes('no capacity available') || loweredBody.includes('model capacity')) {
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return RateLimitReason.ModelCapacityExhausted;
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}
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}
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if (status !== 429) {
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return RateLimitReason.ServerError;
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}
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const lowerBody = toLowerText(body);
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if (
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lowerBody.includes('per minute') ||
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lowerBody.includes('rate limit') ||
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lowerBody.includes('rate_limit') ||
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lowerBody.includes('too many requests')
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) {
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return RateLimitReason.RateLimitExceeded;
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}
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||||
if (
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lowerBody.includes('model capacity exhausted') ||
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lowerBody.includes('no capacity available')
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) {
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return RateLimitReason.ModelCapacityExhausted;
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}
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if (lowerBody.includes('quota') || lowerBody.includes('exhausted')) {
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return RateLimitReason.QuotaExhausted;
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}
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return RateLimitReason.Unknown;
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}
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private computeRetryAfterSeconds(params: {
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reason: RateLimitReason;
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status: number;
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retryAfter?: string;
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body?: string;
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accountId: string;
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backoffSteps: number[];
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}): number {
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const headerRetryRaw = params.retryAfter?.trim() ?? '';
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if (headerRetryRaw !== '') {
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const headerRetry = Number(headerRetryRaw);
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if (!Number.isNaN(headerRetry) && Number.isFinite(headerRetry) && headerRetry > 0) {
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return Math.max(2, Math.ceil(headerRetry));
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}
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||||
const headerRetryAt = Date.parse(headerRetryRaw);
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if (Number.isFinite(headerRetryAt)) {
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const retryAfterSec = Math.ceil((headerRetryAt - Date.now()) / 1000);
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||||
if (retryAfterSec > 0) {
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return Math.max(2, retryAfterSec);
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}
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||||
}
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||||
}
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||||
const bodyRetry = this.parseRetryAfterSecondsFromBody(params.body);
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if (bodyRetry !== null) {
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return Math.max(2, Math.ceil(bodyRetry));
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}
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||||
|
||||
const failureCount =
|
||||
params.reason !== RateLimitReason.ServerError
|
||||
? this.incrementFailureCount(params.accountId)
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: 1;
|
||||
|
||||
if (params.reason === RateLimitReason.QuotaExhausted) {
|
||||
const steps = params.backoffSteps.length > 0 ? params.backoffSteps : [60, 300, 1800, 7200];
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const index = Math.max(0, failureCount - 1);
|
||||
return steps[Math.min(index, steps.length - 1)];
|
||||
}
|
||||
|
||||
if (params.reason === RateLimitReason.RateLimitExceeded) {
|
||||
return 5;
|
||||
}
|
||||
|
||||
if (params.reason === RateLimitReason.ModelCapacityExhausted) {
|
||||
if (failureCount <= 1) {
|
||||
return 5;
|
||||
}
|
||||
if (failureCount === 2) {
|
||||
return 10;
|
||||
}
|
||||
return 15;
|
||||
}
|
||||
|
||||
if (params.reason === RateLimitReason.ServerError) {
|
||||
return params.status === 404 ? 5 : 8;
|
||||
}
|
||||
|
||||
return 60;
|
||||
}
|
||||
|
||||
private parseRetryAfterSecondsFromBody(body: string | undefined): number | null {
|
||||
if (!body) {
|
||||
return null;
|
||||
}
|
||||
const parsedBody = tryParseGoogleErrorBody(body);
|
||||
const details = Array.isArray(parsedBody?.error?.details) ? parsedBody.error.details : [];
|
||||
for (const detail of details) {
|
||||
if (isString(detail.retryDelay) && !isEmpty(detail.retryDelay.trim())) {
|
||||
const parsedDelay = parseDurationToSeconds(detail.retryDelay);
|
||||
if (parsedDelay !== null) {
|
||||
return parsedDelay;
|
||||
}
|
||||
}
|
||||
|
||||
if (isString(detail.metadata?.retryDelay) && !isEmpty(detail.metadata.retryDelay.trim())) {
|
||||
const parsedDelay = parseDurationToSeconds(detail.metadata.retryDelay);
|
||||
if (parsedDelay !== null) {
|
||||
return parsedDelay;
|
||||
}
|
||||
}
|
||||
|
||||
if (
|
||||
isString(detail.metadata?.quotaResetDelay) &&
|
||||
!isEmpty(detail.metadata.quotaResetDelay.trim())
|
||||
) {
|
||||
const parsedDelay = parseDurationToSeconds(detail.metadata.quotaResetDelay);
|
||||
if (parsedDelay !== null) {
|
||||
return parsedDelay;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const retryAfter = parsedBody?.error?.retry_after;
|
||||
if (isNumber(retryAfter) && retryAfter > 0) {
|
||||
return Math.ceil(retryAfter);
|
||||
}
|
||||
|
||||
const lowerBody = toLowerText(body);
|
||||
const minSecMatch = lowerBody.match(/try again in\s+(\d+)m\s*(\d+)s/);
|
||||
if (minSecMatch) {
|
||||
return Number(minSecMatch[1]) * 60 + Number(minSecMatch[2]);
|
||||
}
|
||||
|
||||
const secMatch = lowerBody.match(/(?:try again in|backoff for|wait)\s*(\d+)s/);
|
||||
if (secMatch) {
|
||||
return Number(secMatch[1]);
|
||||
}
|
||||
|
||||
const resetMatch = lowerBody.match(/quota will reset in\s*(\d+)\s*second/);
|
||||
if (resetMatch) {
|
||||
return Number(resetMatch[1]);
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
private incrementFailureCount(accountId: string): number {
|
||||
const now = Date.now();
|
||||
const entry = this.failureCounts.get(accountId);
|
||||
if (!entry) {
|
||||
this.failureCounts.set(accountId, { count: 1, lastFailureMs: now });
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (now - entry.lastFailureMs > FAILURE_COUNT_EXPIRY_MS) {
|
||||
this.failureCounts.set(accountId, { count: 1, lastFailureMs: now });
|
||||
return 1;
|
||||
}
|
||||
|
||||
const nextCount = entry.count + 1;
|
||||
this.failureCounts.set(accountId, { count: nextCount, lastFailureMs: now });
|
||||
return nextCount;
|
||||
}
|
||||
}
|
||||
import { isEmpty, isNumber, isObjectLike, isString } from 'lodash-es';
|
||||
|
||||
export enum RateLimitReason {
|
||||
QuotaExhausted = 'quota_exhausted',
|
||||
RateLimitExceeded = 'rate_limit_exceeded',
|
||||
ModelCapacityExhausted = 'model_capacity_exhausted',
|
||||
ServerError = 'server_error',
|
||||
Unknown = 'unknown',
|
||||
}
|
||||
|
||||
interface RateLimitInfo {
|
||||
resetTimeMs: number;
|
||||
retryAfterSec: number;
|
||||
reason: RateLimitReason;
|
||||
model?: string;
|
||||
}
|
||||
|
||||
type FailureCountEntry = {
|
||||
count: number;
|
||||
lastFailureMs: number;
|
||||
};
|
||||
|
||||
interface GoogleErrorDetail {
|
||||
reason?: string;
|
||||
retryDelay?: string;
|
||||
metadata?: {
|
||||
quotaResetDelay?: string;
|
||||
retryDelay?: string;
|
||||
};
|
||||
}
|
||||
|
||||
interface ParsedGoogleErrorBody {
|
||||
error?: {
|
||||
status?: string;
|
||||
details?: GoogleErrorDetail[];
|
||||
retry_after?: number;
|
||||
};
|
||||
}
|
||||
|
||||
const FAILURE_COUNT_EXPIRY_MS = 60 * 60 * 1000;
|
||||
|
||||
function toLowerText(value: string | undefined): string {
|
||||
return (value ?? '').toLowerCase();
|
||||
}
|
||||
|
||||
function parseDurationToSeconds(text: string): number | null {
|
||||
const match = text.match(/(?:(\d+)h)?(?:(\d+)m)?(?:(\d+(?:\.\d+)?)s)?(?:(\d+(?:\.\d+)?)ms)?/i);
|
||||
if (!match) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const hours = Number(match[1] ?? 0);
|
||||
const minutes = Number(match[2] ?? 0);
|
||||
const seconds = Number(match[3] ?? 0);
|
||||
const milliseconds = Number(match[4] ?? 0);
|
||||
|
||||
const totalSeconds =
|
||||
hours * 3600 + minutes * 60 + Math.ceil(seconds) + Math.ceil(milliseconds / 1000);
|
||||
if (totalSeconds <= 0) {
|
||||
return null;
|
||||
}
|
||||
return totalSeconds;
|
||||
}
|
||||
|
||||
function tryParseGoogleErrorBody(body: string | undefined): ParsedGoogleErrorBody | null {
|
||||
const trimmed = (body ?? '').trim();
|
||||
if (!trimmed.startsWith('{') && !trimmed.startsWith('[')) {
|
||||
return null;
|
||||
}
|
||||
|
||||
try {
|
||||
const parsed = JSON.parse(trimmed) as ParsedGoogleErrorBody;
|
||||
if (!isObjectLike(parsed)) {
|
||||
return null;
|
||||
}
|
||||
return parsed;
|
||||
} catch {
|
||||
return null;
|
||||
}
|
||||
}
|
||||
|
||||
function mapGoogleReasonToTrackerReason(reason: string): RateLimitReason | null {
|
||||
const normalizedReason = reason.trim().toUpperCase();
|
||||
if (normalizedReason === 'QUOTA_EXHAUSTED') {
|
||||
return RateLimitReason.QuotaExhausted;
|
||||
}
|
||||
if (normalizedReason === 'RATE_LIMIT_EXCEEDED') {
|
||||
return RateLimitReason.RateLimitExceeded;
|
||||
}
|
||||
if (normalizedReason === 'MODEL_CAPACITY_EXHAUSTED') {
|
||||
return RateLimitReason.ModelCapacityExhausted;
|
||||
}
|
||||
return null;
|
||||
}
|
||||
|
||||
export class RateLimitTracker {
|
||||
private readonly lockoutByKey = new Map<string, RateLimitInfo>();
|
||||
private readonly failureCounts = new Map<string, FailureCountEntry>();
|
||||
|
||||
private buildLockoutKey(accountId: string, model?: string): string {
|
||||
if (!isEmpty(model?.trim() ?? '')) {
|
||||
return `${accountId}:${model}`;
|
||||
}
|
||||
return accountId;
|
||||
}
|
||||
|
||||
getRemainingWaitSeconds(accountId: string, model?: string): number {
|
||||
const now = Date.now();
|
||||
|
||||
const globalLock = this.lockoutByKey.get(accountId);
|
||||
if (globalLock && globalLock.resetTimeMs > now) {
|
||||
return Math.max(0, Math.ceil((globalLock.resetTimeMs - now) / 1000));
|
||||
}
|
||||
|
||||
if (model) {
|
||||
const modelKey = this.buildLockoutKey(accountId, model);
|
||||
const modelLock = this.lockoutByKey.get(modelKey);
|
||||
if (modelLock && modelLock.resetTimeMs > now) {
|
||||
return Math.max(0, Math.ceil((modelLock.resetTimeMs - now) / 1000));
|
||||
}
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
getRemainingWaitSec(accountId: string, model?: string): number {
|
||||
return this.getRemainingWaitSeconds(accountId, model);
|
||||
}
|
||||
|
||||
isRateLimited(accountId: string, model?: string): boolean {
|
||||
return this.getRemainingWaitSeconds(accountId, model) > 0;
|
||||
}
|
||||
|
||||
setLockoutUntilIso(
|
||||
accountId: string,
|
||||
resetTimeIso: string,
|
||||
reason: RateLimitReason,
|
||||
model?: string,
|
||||
): boolean {
|
||||
const timestamp = Date.parse(resetTimeIso);
|
||||
if (!Number.isFinite(timestamp)) {
|
||||
return false;
|
||||
}
|
||||
this.setLockoutUntil(accountId, timestamp, reason, model);
|
||||
return true;
|
||||
}
|
||||
|
||||
private setLockoutUntil(
|
||||
accountId: string,
|
||||
resetTimeMs: number,
|
||||
reason: RateLimitReason,
|
||||
model?: string,
|
||||
): void {
|
||||
const retryAfterSec = Math.max(2, Math.ceil((resetTimeMs - Date.now()) / 1000));
|
||||
const key = !isEmpty(model?.trim() ?? '') ? this.buildLockoutKey(accountId, model) : accountId;
|
||||
this.lockoutByKey.set(key, {
|
||||
resetTimeMs,
|
||||
retryAfterSec,
|
||||
reason,
|
||||
model,
|
||||
});
|
||||
}
|
||||
|
||||
clear(accountId: string): boolean {
|
||||
return this.lockoutByKey.delete(accountId);
|
||||
}
|
||||
|
||||
clearAll(): number {
|
||||
const size = this.lockoutByKey.size;
|
||||
this.lockoutByKey.clear();
|
||||
return size;
|
||||
}
|
||||
|
||||
cleanupExpired(): number {
|
||||
const now = Date.now();
|
||||
let deleted = 0;
|
||||
for (const [key, info] of this.lockoutByKey.entries()) {
|
||||
if (info.resetTimeMs <= now) {
|
||||
this.lockoutByKey.delete(key);
|
||||
deleted++;
|
||||
}
|
||||
}
|
||||
for (const [key, entry] of this.failureCounts.entries()) {
|
||||
if (entry.lastFailureMs + FAILURE_COUNT_EXPIRY_MS <= now) {
|
||||
this.failureCounts.delete(key);
|
||||
deleted++;
|
||||
}
|
||||
}
|
||||
return deleted;
|
||||
}
|
||||
|
||||
markSuccess(accountId: string): void {
|
||||
this.failureCounts.delete(accountId);
|
||||
this.lockoutByKey.delete(accountId);
|
||||
}
|
||||
|
||||
trackFromUpstreamError(params: {
|
||||
accountId: string;
|
||||
status?: number;
|
||||
retryAfter?: string;
|
||||
body?: string;
|
||||
model?: string;
|
||||
backoffSteps: number[];
|
||||
}): RateLimitInfo | null {
|
||||
const status = params.status ?? 0;
|
||||
if (![404, 429, 500, 503, 529].includes(status)) {
|
||||
return null;
|
||||
}
|
||||
|
||||
const reason = this.detectRateLimitReason(status, params.body);
|
||||
const retryAfterSec = this.computeRetryAfterSeconds({
|
||||
reason,
|
||||
status,
|
||||
retryAfter: params.retryAfter,
|
||||
body: params.body,
|
||||
accountId: params.accountId,
|
||||
backoffSteps: params.backoffSteps,
|
||||
});
|
||||
|
||||
const info: RateLimitInfo = {
|
||||
reason,
|
||||
retryAfterSec,
|
||||
resetTimeMs: Date.now() + retryAfterSec * 1000,
|
||||
model: params.model,
|
||||
};
|
||||
|
||||
const useModelKey = reason === RateLimitReason.QuotaExhausted && Boolean(params.model);
|
||||
const key = useModelKey
|
||||
? this.buildLockoutKey(params.accountId, params.model)
|
||||
: params.accountId;
|
||||
this.lockoutByKey.set(key, info);
|
||||
|
||||
return info;
|
||||
}
|
||||
|
||||
parseAndMarkFromError(params: {
|
||||
accountId: string;
|
||||
status?: number;
|
||||
retryAfter?: string;
|
||||
body?: string;
|
||||
model?: string;
|
||||
backoffSteps: number[];
|
||||
}): RateLimitInfo | null {
|
||||
return this.trackFromUpstreamError(params);
|
||||
}
|
||||
|
||||
private detectRateLimitReason(status: number, body: string | undefined): RateLimitReason {
|
||||
const parsedBody = tryParseGoogleErrorBody(body);
|
||||
const details = Array.isArray(parsedBody?.error?.details) ? parsedBody?.error?.details : [];
|
||||
for (const detail of details) {
|
||||
if (!isString(detail.reason) || isEmpty(detail.reason.trim())) {
|
||||
continue;
|
||||
}
|
||||
const mappedReason = mapGoogleReasonToTrackerReason(detail.reason);
|
||||
if (mappedReason) {
|
||||
return mappedReason;
|
||||
}
|
||||
}
|
||||
|
||||
const statusFromBody = parsedBody?.error?.status?.trim().toUpperCase();
|
||||
if (statusFromBody === 'RESOURCE_EXHAUSTED') {
|
||||
return RateLimitReason.QuotaExhausted;
|
||||
}
|
||||
if (statusFromBody === 'UNAVAILABLE') {
|
||||
const loweredBody = toLowerText(body);
|
||||
if (loweredBody.includes('no capacity available') || loweredBody.includes('model capacity')) {
|
||||
return RateLimitReason.ModelCapacityExhausted;
|
||||
}
|
||||
}
|
||||
|
||||
if (status !== 429) {
|
||||
return RateLimitReason.ServerError;
|
||||
}
|
||||
|
||||
const lowerBody = toLowerText(body);
|
||||
if (
|
||||
lowerBody.includes('per minute') ||
|
||||
lowerBody.includes('rate limit') ||
|
||||
lowerBody.includes('rate_limit') ||
|
||||
lowerBody.includes('too many requests')
|
||||
) {
|
||||
return RateLimitReason.RateLimitExceeded;
|
||||
}
|
||||
if (
|
||||
lowerBody.includes('model capacity exhausted') ||
|
||||
lowerBody.includes('no capacity available')
|
||||
) {
|
||||
return RateLimitReason.ModelCapacityExhausted;
|
||||
}
|
||||
if (lowerBody.includes('quota') || lowerBody.includes('exhausted')) {
|
||||
return RateLimitReason.QuotaExhausted;
|
||||
}
|
||||
|
||||
return RateLimitReason.Unknown;
|
||||
}
|
||||
|
||||
private computeRetryAfterSeconds(params: {
|
||||
reason: RateLimitReason;
|
||||
status: number;
|
||||
retryAfter?: string;
|
||||
body?: string;
|
||||
accountId: string;
|
||||
backoffSteps: number[];
|
||||
}): number {
|
||||
const headerRetryRaw = params.retryAfter?.trim() ?? '';
|
||||
if (headerRetryRaw !== '') {
|
||||
const headerRetry = Number(headerRetryRaw);
|
||||
if (!Number.isNaN(headerRetry) && Number.isFinite(headerRetry) && headerRetry > 0) {
|
||||
return Math.max(2, Math.ceil(headerRetry));
|
||||
}
|
||||
|
||||
const headerRetryAt = Date.parse(headerRetryRaw);
|
||||
if (Number.isFinite(headerRetryAt)) {
|
||||
const retryAfterSec = Math.ceil((headerRetryAt - Date.now()) / 1000);
|
||||
if (retryAfterSec > 0) {
|
||||
return Math.max(2, retryAfterSec);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const bodyRetry = this.parseRetryAfterSecondsFromBody(params.body);
|
||||
if (bodyRetry !== null) {
|
||||
return Math.max(2, Math.ceil(bodyRetry));
|
||||
}
|
||||
|
||||
const failureCount =
|
||||
params.reason !== RateLimitReason.ServerError
|
||||
? this.incrementFailureCount(params.accountId)
|
||||
: 1;
|
||||
|
||||
if (params.reason === RateLimitReason.QuotaExhausted) {
|
||||
const steps = params.backoffSteps.length > 0 ? params.backoffSteps : [60, 300, 1800, 7200];
|
||||
const index = Math.max(0, failureCount - 1);
|
||||
return steps[Math.min(index, steps.length - 1)];
|
||||
}
|
||||
|
||||
if (params.reason === RateLimitReason.RateLimitExceeded) {
|
||||
return 5;
|
||||
}
|
||||
|
||||
if (params.reason === RateLimitReason.ModelCapacityExhausted) {
|
||||
if (failureCount <= 1) {
|
||||
return 5;
|
||||
}
|
||||
if (failureCount === 2) {
|
||||
return 10;
|
||||
}
|
||||
return 15;
|
||||
}
|
||||
|
||||
if (params.reason === RateLimitReason.ServerError) {
|
||||
return params.status === 404 ? 5 : 8;
|
||||
}
|
||||
|
||||
return 60;
|
||||
}
|
||||
|
||||
private parseRetryAfterSecondsFromBody(body: string | undefined): number | null {
|
||||
if (!body) {
|
||||
return null;
|
||||
}
|
||||
const parsedBody = tryParseGoogleErrorBody(body);
|
||||
const details = Array.isArray(parsedBody?.error?.details) ? parsedBody.error.details : [];
|
||||
for (const detail of details) {
|
||||
if (isString(detail.retryDelay) && !isEmpty(detail.retryDelay.trim())) {
|
||||
const parsedDelay = parseDurationToSeconds(detail.retryDelay);
|
||||
if (parsedDelay !== null) {
|
||||
return parsedDelay;
|
||||
}
|
||||
}
|
||||
|
||||
if (isString(detail.metadata?.retryDelay) && !isEmpty(detail.metadata.retryDelay.trim())) {
|
||||
const parsedDelay = parseDurationToSeconds(detail.metadata.retryDelay);
|
||||
if (parsedDelay !== null) {
|
||||
return parsedDelay;
|
||||
}
|
||||
}
|
||||
|
||||
if (
|
||||
isString(detail.metadata?.quotaResetDelay) &&
|
||||
!isEmpty(detail.metadata.quotaResetDelay.trim())
|
||||
) {
|
||||
const parsedDelay = parseDurationToSeconds(detail.metadata.quotaResetDelay);
|
||||
if (parsedDelay !== null) {
|
||||
return parsedDelay;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
const retryAfter = parsedBody?.error?.retry_after;
|
||||
if (isNumber(retryAfter) && retryAfter > 0) {
|
||||
return Math.ceil(retryAfter);
|
||||
}
|
||||
|
||||
const lowerBody = toLowerText(body);
|
||||
const minSecMatch = lowerBody.match(/try again in\s+(\d+)m\s*(\d+)s/);
|
||||
if (minSecMatch) {
|
||||
return Number(minSecMatch[1]) * 60 + Number(minSecMatch[2]);
|
||||
}
|
||||
|
||||
const secMatch = lowerBody.match(/(?:try again in|backoff for|wait)\s*(\d+)s/);
|
||||
if (secMatch) {
|
||||
return Number(secMatch[1]);
|
||||
}
|
||||
|
||||
const resetMatch = lowerBody.match(/quota will reset in\s*(\d+)\s*second/);
|
||||
if (resetMatch) {
|
||||
return Number(resetMatch[1]);
|
||||
}
|
||||
|
||||
return null;
|
||||
}
|
||||
|
||||
private incrementFailureCount(accountId: string): number {
|
||||
const now = Date.now();
|
||||
const entry = this.failureCounts.get(accountId);
|
||||
if (!entry) {
|
||||
this.failureCounts.set(accountId, { count: 1, lastFailureMs: now });
|
||||
return 1;
|
||||
}
|
||||
|
||||
if (now - entry.lastFailureMs > FAILURE_COUNT_EXPIRY_MS) {
|
||||
this.failureCounts.set(accountId, { count: 1, lastFailureMs: now });
|
||||
return 1;
|
||||
}
|
||||
|
||||
const nextCount = entry.count + 1;
|
||||
this.failureCounts.set(accountId, { count: nextCount, lastFailureMs: now });
|
||||
return nextCount;
|
||||
}
|
||||
}
|
||||
Reference in new issue
Block a user