grammarly-sdk-patterns

# Grammarly SDK Patterns ## Overview Production patterns for Grammarly API: typed client, token management, text chunking for large documents, and Python integration. ## Instructions ### Step 1: Typed API Client ```typescript class GrammarlyClient { private token: string; private expiresAt: number = 0; private base = 'https://api.grammarly.com/ecosystem/api'; constructor(private clientId: string, private clientSecret: string) {} private async ensureToken() { if (Date.now() < this.expiresAt - 60000) return; const res = await fetch(`${this.base}/v1/oauth/token`, { method: 'POST', headers: { 'Content-Type': 'application/x-www-form-urlencoded' }, body: new URLSearchParams({ grant_type: 'client_credentials', client_id: this.clientId, client_secret: this.clientSecret }), }); const { access_token, expires_in } = await res.json(); this.token = access_token; this.expiresAt = Date.now() + expires_in * 1000; } async score(text: string) { await this.ensureToken(); const res = await fetch(`${this.base}/v2/scores`, { method: 'POST', headers: { 'Authorization': `Bearer ${this.token}`, 'Content-Type': 'application/json' }, body: JSON.stringify({ text }), }); return res.json(); } async detectAI(text: string) { await this.ensureToken(); const res = await fetch(`${this.base}/v1/ai-detection`, { method: 'POST', headers: { 'Authorization': `Bearer ${this.token}`, 'Content-Typ...