chore: strengthen backend eslint profile

src/common/logging/structured-logger.service.ts

@@ -1,27 +1,28 @@
 import { Injectable, OnApplicationShutdown } from '@nestjs/common';
 import { PinoLogger } from 'nestjs-pino';
+
 import { RequestContextService } from './request-context.service';
 
-type LogLevel = 'debug' | 'info' | 'warn' | 'error';
-type LogContext = Record<string, string | number | boolean | undefined>;
+type LogLevel = 'debug' | 'error' | 'info' | 'warn';
+type LogContext = Record<string, boolean | number | string | undefined>;
 
 const allowedFields = new Set([
-  'service',
-  'environment',
-  'requestId',
-  'clientRequestId',
-  'userId',
-  'brokerageAccountId',
-  'method',
-  'route',
-  'status',
-  'durationMs',
-  'code',
-  'operation',
-  'grpcCode',
   'attempts',
+  'brokerageAccountId',
+  'clientRequestId',
+  'code',
   'count',
+  'durationMs',
+  'environment',
   'found',
+  'grpcCode',
+  'method',
+  'operation',
+  'requestId',
+  'route',
+  'service',
+  'status',
+  'userId',
 ]);
 
 @Injectable()
@@ -48,6 +49,7 @@ export class StructuredLogger implements OnApplicationShutdown {
     message: string,
     context: LogContext = {},
   ): void {
+    // eslint-disable-next-line security/detect-object-injection -- The log level is restricted to the internal LogLevel union.
     this.pino[level](
       this.safeContext({ ...this.requestContext.get(), ...context }),
       message,