fix: restore JSON string format for CloudWatch compatibility

Author: batalabs

CHANGELOG.md

@@ -1,9 +1,8 @@
 ## [1.7.1](https://github.com/typelets/typelets-api/compare/v1.7.0...v1.7.1) (2025-10-15)
 
-
 ### Bug Fixes
 
-* output structured logs for New Relic log forwarding ([9d004a4](https://github.com/typelets/typelets-api/commit/9d004a406b0de701a09fac9b3e9fdff767e75133))
+- output structured logs for New Relic log forwarding ([9d004a4](https://github.com/typelets/typelets-api/commit/9d004a406b0de701a09fac9b3e9fdff767e75133))
 
 # [1.7.0](https://github.com/typelets/typelets-api/compare/v1.6.2...v1.7.0) (2025-10-15)
 

src/lib/logger.ts

@@ -38,12 +38,8 @@ class Logger {
     return level.priority <= this.currentLogLevel.priority;
   }
 
-  private formatLog(
-    level: string,
-    message: string,
-    meta: LogMetadata = {}
-  ): Record<string, unknown> {
-    return {
+  private formatLog(level: string, message: string, meta: LogMetadata = {}): string {
+    const logEntry = {
       timestamp: new Date().toISOString(),
       level,
       service: this.service,
@@ -52,6 +48,8 @@ class Logger {
       message,
       ...meta,
     };
+
+    return JSON.stringify(logEntry);
   }
 
   error(message: string, meta: LogMetadata = {}, error?: Error): void {

src/version.ts

@@ -1,2 +1,2 @@
 // This file is automatically updated by semantic-release
-export const VERSION = "1.7.1"
+export const VERSION = "1.7.1";