MCP-сервер KoreanPulse (новости и тренды Кореи).
npx wrangler secret put KOREANPULSE_CACHE_SHARED_SECRET # same value cache-worker uses npm run deploy Endpoints (deployed to https://api.koreanpulse.dev or https://koreanpulse-webhook.<account>.workers.dev): GET /health → {"status":"ok"} POST /webhook/polar → Standard Webhooks signatu