phase-7_alpha: legacy code cleanup

server/services/ScreenerEngine.ts

@@ -29,15 +29,13 @@ export class ScreenerEngine {
   private static readonly BATCH_SIZE = 5;
   private static readonly BATCH_DELAY_MS = 1000;
 
-  private client: YahooFinanceClient;
-  private benchmarkProvider: BenchmarkProvider;
   private logger: Logger;
 
-  constructor({ logger }: ScreenerEngineOptions = {}) {
-    this.client = new YahooFinanceClient();
-    this.benchmarkProvider = new BenchmarkProvider({
-      logger: logger ?? (console as unknown as Logger),
-    });
+  constructor(
+    private readonly client: YahooFinanceClient,
+    private readonly benchmarkProvider: BenchmarkProvider,
+    { logger }: ScreenerEngineOptions = {},
+  ) {
     this.logger = logger ?? {
       write: (msg: string) => process.stdout.write(msg),
       log: (...args: unknown[]) => console.log(...args),