Structured Logging System Design Core Principles - Logs are data — Treat every log as a queryable, structured data point - Single source of truth — One logging configuration, used everywhere - Context is king — Every log must be traceable to its source and request - Human + Machine readable — Structured for parsing, clear for debugging - Progressive enhancement — Start simple, add fields as needed - No secrets — Never log passwords, tokens, or PII without masking --- System Architecture The Golden Rule Configure once, use everywhere. Never instantiate loggers directly in business code. Archit…