Structured Logging Standardizer

Implement consistent, queryable, correlated logs.

Log Schema

interface LogEntry {
  timestamp: string; // ISO 8601
  level: "debug" | "info" | "warn" | "error" | "fatal";
  message: string;
  service: string;
  environment: string;

  // Request context
  requestId?: string;
  traceId?: string;
  userId?: string;