diff --git a/src/cli/hook-command.ts b/src/cli/hook-command.ts
index 6c48556b..7245e0e1 100644
--- a/src/cli/hook-command.ts
+++ b/src/cli/hook-command.ts
@@ -55,9 +55,9 @@ export function isWorkerUnavailableError(error: unknown): boolean {
   if (/failed:\s*4\d{2}/.test(message) || /status[:\s]+4\d{2}/.test(message)) return false;
 
   // Programming errors — code bugs, not worker unavailability
+  // Programming errors — code bugs, not worker unavailability
+  // Note: TypeError('fetch failed') already handled by transport patterns above
   if (error instanceof TypeError || error instanceof ReferenceError || error instanceof SyntaxError) {
-    return false;
-  }
 
   // Default: treat unknown errors as blocking (conservative — surface bugs)
   return false;