speak-rate-limits

# Speak Rate Limits ## Overview Handle Speak API rate limits with exponential backoff, request queuing, and optimization strategies. ## Prerequisites - Completed `speak-install-auth` setup - Valid API credentials configured - Understanding of Speak API patterns ## Instructions ### Rate Limit Overview | Tier | Assessments/min | Conversations/min | Audio upload/min | |------|----------------|-------------------|-----------------| | Free | 10 | 5 | 10 | | Pro | 60 | 30 | 60 | | Enterprise | 300 | 150 | 300 | ### Rate-Limited Client ```typescript class RateLimitedSpeakClient { private lastRequest = 0; private minDelay: number; constructor(private client: SpeakClient, requestsPerMinute: number = 60) { this.minDelay = 60000 / requestsPerMinute; } private async throttle() { const elapsed = Date.now() - this.lastRequest; if (elapsed < this.minDelay) { await new Promise(r => setTimeout(r, this.minDelay - elapsed)); } this.lastRequest = Date.now(); } async assessPronunciation(config: PronunciationConfig) { await this.throttle(); return this.retryOn429(() => this.client.assessPronunciation(config)); } private async retryOn429<T>(fn: () => Promise<T>, maxRetries = 3): Promise<T> { for (let i = 0; i < maxRetries; i++) { try { return await fn(); } catch (err: any) { if (err.response?.status === 429 && i < maxRetries - 1) { const wait = parseInt(err.response.headers['retry-after'] || Strin...