phase-7: code restructure

server/utils/logger.ts

@@ -0,0 +1,15 @@
+import type { Logger } from '../types';
+
+/**
+ * Shared server-side logger utilities.
+ *
+ * noopLogger — silent logger for use in API server context where stdout
+ * output from screener/analyst classes would pollute the request log.
+ * Pass as { logger: noopLogger } to ScreenerEngine, BenchmarkProvider,
+ * CatalystAnalyst, SimpleFINClient, LLMAnalyst.
+ */
+export const noopLogger: Logger = {
+  write: () => {},
+  log: () => {},
+  warn: () => {},
+};