Fix build: resolve circular dependency in fx-rates module

packages/utils/src/fx-rates.ts

@@ -3,10 +3,19 @@
  * Provides abstraction for multiple FX rate providers
  */
 
-import { getLogger } from './logging';
 import type { AppConfig } from './config';
 import { getConfig } from './config';
 
+// Simple logger for FX rates (avoids circular dependency)
+function getLogger() {
+  return {
+    debug: (msg: string, ctx?: Record<string, unknown>) => console.log(JSON.stringify({ level: 'debug', message: msg, ...ctx })),
+    info: (msg: string, ctx?: Record<string, unknown>) => console.log(JSON.stringify({ level: 'info', message: msg, ...ctx })),
+    warn: (msg: string, ctx?: Record<string, unknown>) => console.warn(JSON.stringify({ level: 'warn', message: msg, ...ctx })),
+    error: (msg: string, err?: Error, ctx?: Record<string, unknown>) => console.error(JSON.stringify({ level: 'error', message: msg, error: err?.message, ...ctx })),
+  };
+}
+
 export interface FXRate {
   fromCurrency: string;
   toCurrency: string;