CLI: rename heartbeat tmux helper and log file path

src/logging.ts

@@ -28,6 +28,7 @@ type ResolvedSettings = {
   level: LevelWithSilent;
   file: string;
 };
+export type LoggerResolvedSettings = ResolvedSettings;
 
 let cachedLogger: Logger | null = null;
 let cachedSettings: ResolvedSettings | null = null;
@@ -87,6 +88,10 @@ export function getChildLogger(
   return getLogger().child(bindings ?? {}, opts);
 }
 
+export function getResolvedLoggerSettings(): LoggerResolvedSettings {
+  return resolveSettings();
+}
+
 // Test helpers
 export function setLoggerOverride(settings: LoggerSettings | null) {
   overrideSettings = settings;