fix: serialize claude cli runs

src/logging.ts

@@ -57,6 +57,7 @@ let cachedConsoleSettings: ConsoleSettings | null = null;
 let overrideSettings: LoggerSettings | null = null;
 let consolePatched = false;
 let forceConsoleToStderr = false;
+let consoleSubsystemFilter: string[] | null = null;
 let rawConsole: {
   log: typeof console.log;
   info: typeof console.info;
@@ -258,6 +259,27 @@ export function routeLogsToStderr(): void {
   forceConsoleToStderr = true;
 }
 
+export function setConsoleSubsystemFilter(filters?: string[] | null): void {
+  if (!filters || filters.length === 0) {
+    consoleSubsystemFilter = null;
+    return;
+  }
+  const normalized = filters
+    .map((value) => value.trim())
+    .filter((value) => value.length > 0);
+  consoleSubsystemFilter = normalized.length > 0 ? normalized : null;
+}
+
+export function shouldLogSubsystemToConsole(subsystem: string): boolean {
+  if (!consoleSubsystemFilter || consoleSubsystemFilter.length === 0) {
+    return true;
+  }
+  return consoleSubsystemFilter.some(
+    (prefix) =>
+      subsystem === prefix || subsystem.startsWith(`${prefix}/`),
+  );
+}
+
 const SUPPRESSED_CONSOLE_PREFIXES = [
   "Closing session:",
   "Opening session:",
@@ -536,6 +558,7 @@ export function createSubsystemLogger(subsystem: string): SubsystemLogger {
     }
     logToFile(getFileLogger(), level, message, fileMeta);
     if (!shouldLogToConsole(level, consoleSettings)) return;
+    if (!shouldLogSubsystemToConsole(subsystem)) return;
     const line = formatConsoleLine({
       level,
       subsystem,
@@ -559,7 +582,9 @@ export function createSubsystemLogger(subsystem: string): SubsystemLogger {
     fatal: (message, meta) => emit("fatal", message, meta),
     raw: (message) => {
       logToFile(getFileLogger(), "info", message, { raw: true });
-      writeConsoleLine("info", message);
+      if (shouldLogSubsystemToConsole(subsystem)) {
+        writeConsoleLine("info", message);
+      }
     },
     child: (name) => createSubsystemLogger(`${subsystem}/${name}`),
   };