.

src/drivers/log.ts

@@ -0,0 +1,18 @@
+import { config } from "../config.ts";
+
+/** Concise per-driver debug logging to stdout (toggle with DRIVER_DEBUG). */
+export function driverLog(driver: string, msg: string): void {
+  if (!config.driverDebug) return;
+  const t = new Date().toISOString().slice(11, 23); // HH:MM:SS.mmm
+  console.log(`[${t}][driver:${driver}] ${msg}`);
+}
+
+export function fmtBytes(n: number): string {
+  if (n < 1024) return `${n}B`;
+  return `${(n / 1024).toFixed(1)}KB`;
+}
+
+export function fmtMs(ms: number): string {
+  if (ms < 1000) return `${Math.round(ms)}ms`;
+  return `${(ms / 1000).toFixed(1)}s`;
+}