{"service":"webhook_relay","version":"1.0.0","purpose":"Security relay for TradingView/TrendSpider webhooks","endpoints":{"/webhook":"POST - Relay webhook to upstream API (auth injected)","/health":"GET - Health check","/":"GET - This info"},"upstream":"http://127.0.0.1:8000","security":"X-Webhook-Secret injected from environment (never in process args)"}