fix: bound trans stdout and sanitize win ps json

scripts/src/remote.ts

@@ -8,6 +8,7 @@ import { summarizeMicroserviceHealthResponse, summarizeMicroserviceObservation,
 import { parseNetworkPerfOptions, runNetworkPerf } from "./network-perf";
 import {
   buildWindowsPowerShellInvocation,
+  createSshStdoutForwarder,
   formatSshFailureHint,
   formatSshRuntimeTimeoutHint,
   formatSshRuntimeTimingHint,
@@ -985,6 +986,10 @@ async function runRemoteSshWebSocket(
 
   return await new Promise<number>((resolve) => {
     const rawMode = parsed.remoteCommand === null && process.stdin.isTTY && typeof process.stdin.setRawMode === "function";
+    const stdoutForwarder = parsed.remoteCommand === null ? null : createSshStdoutForwarder({
+      invocation,
+      transport: "frontend-websocket",
+    });
     let timedOut = false;
     const openTimer = setTimeout(() => {
       if (sessionReady || settled) return;
@@ -1068,7 +1073,12 @@ async function runRemoteSshWebSocket(
       if (message.type === "ssh.data") {
         const chunk = Buffer.from(String(message.data ?? ""), message.encoding === "base64" ? "base64" : "utf8");
         if (message.stream === "stderr") process.stderr.write(chunk);
-        else process.stdout.write(chunk);
+        else if (stdoutForwarder === null) {
+          process.stdout.write(chunk);
+        } else {
+          const hint = stdoutForwarder.write(chunk);
+          if (hint !== null) process.stderr.write(hint);
+        }
         return;
       }
       if (message.type === "ssh.error") {