fix: parse runner retention kubectl output before redaction

src/mgr/runner-retention.ts

@@ -280,7 +280,7 @@ async function kubectlRun(kubectlCommand: string, args: string[]): Promise<{ cod
   }).catch((error: unknown) => {
     throw new AgentRunError("infra-failed", `failed to start kubectl: ${error instanceof Error ? error.message : String(error)}`, { httpStatus: 503 });
   });
-  return { ...result, stdout: redactText(stdout), stderr: redactText(stderr) };
+  return { ...result, stdout, stderr };
 }
 
 function compareCandidates(left: RunnerResourceEntry, right: RunnerResourceEntry): number {