fix: stream runner tran ssh output

scripts/src/ssh.ts

@@ -39,7 +39,7 @@ export interface SshFailureHint {
   note: string;
 }
 
-const argvQuotedSshSubcommands = new Set(["rg", "grep", "sed", "nl", "stat", "du", "ls", "cat", "head", "tail", "wc", "pwd"]);
+const argvQuotedSshSubcommands = new Set(["git", "rg", "grep", "sed", "nl", "stat", "du", "ls", "cat", "head", "tail", "wc", "pwd"]);
 const nativeK3sKubeconfig = "/etc/rancher/k3s/k3s.yaml";
 const k3sResourceKindAliases = new Set(["pod", "po", "pods", "deployment", "deploy", "deployments", "statefulset", "sts", "daemonset", "ds", "job", "jobs"]);
 const legacyK3sOperationRouteSegments = new Set([
@@ -1018,7 +1018,12 @@ function parseK3sTargetOperation(route: ParsedSshRoute, args: string[]): ParsedS
   }
   if (operation === "kubectl") throw new Error(`ssh k3s kubectl is a control-plane operation; use ssh ${route.providerId}:k3s kubectl ...`);
   if (operation === "exec") {
-    return { remoteCommand: buildK3sExecCommand([...targetArgs, ...k3sRouteCommandArgs(operationArgs)]), requiresStdin: false, invocationKind: "helper" };
+    const execArgs = k3sRouteExecOperationArgs(operationArgs);
+    return {
+      remoteCommand: buildK3sExecCommand([...targetArgs, ...execArgs]),
+      requiresStdin: execArgs.includes("--stdin") || execArgs.includes("-i"),
+      invocationKind: "helper",
+    };
   }
   return { remoteCommand: buildK3sExecCommand([...targetArgs, ...k3sRouteCommandArgs(args)]), requiresStdin: false, invocationKind: "helper" };
 }
@@ -1045,6 +1050,31 @@ function k3sRouteCommandArgs(args: string[]): string[] {
   return args[0] === "--" ? args : ["--", ...args];
 }
 
+function k3sRouteExecOperationArgs(args: string[]): string[] {
+  if (args.length === 0) throw new Error("ssh k3s target exec operation requires a command to exec");
+  const result: string[] = [];
+  for (let index = 0; index < args.length; index += 1) {
+    const arg = args[index] ?? "";
+    if (arg === "--") {
+      if (index === args.length - 1) throw new Error("ssh k3s target exec operation requires a command after --");
+      return [...result, ...args.slice(index)];
+    }
+    if (arg === "--stdin" || arg === "-i" || arg === "--tty" || arg === "-t") {
+      result.push(arg);
+      continue;
+    }
+    if (arg === "--container" || arg === "-c" || arg === "--workdir" || arg === "--cwd") {
+      const value = args[index + 1];
+      if (value === undefined || value.length === 0) throw new Error(`ssh k3s target exec ${arg} requires a value`);
+      result.push(arg, value);
+      index += 1;
+      continue;
+    }
+    return [...result, "--", ...args.slice(index)];
+  }
+  throw new Error("ssh k3s target exec operation requires a command to exec");
+}
+
 function buildK3sCommand(providerId: string, args: string[]): string {
   const action = args[0] ?? "";
   if (action.length === 0 || action === "--help" || action === "-h" || action === "help") {