feat(shared): reorder AppError constructor to (message, code, status), add singleton logger, retry and TTL cache utilities

services/backend/src/shared/logger/index.ts

@@ -1,24 +0,0 @@
-import pino from "pino";
-import { config } from "../config/index.js";
-
-const isDev = config.NODE_ENV === "development";
-
-export const logger = pino({
-  level: config.LOG_LEVEL,
-  transport: isDev
-    ? {
-        target: "pino-pretty",
-        options: {
-          colorize: true,
-          translateTime: "SYS:standard",
-          ignore: "pid,hostname",
-        },
-      }
-    : undefined,
-});
-
-export function createChildLogger(context: string) {
-  return logger.child({ context });
-}
-
-export type Logger = ReturnType<typeof createChildLogger>;