Exec approvals: render forwarded commands in monospace (#11937)

* fix(exec-approvals): format forwarded commands as code

* fix(exec-approvals): place fenced command blocks on new line (#11937) (thanks @sebslight)

src/infra/exec-approval-forwarder.ts

@@ -115,9 +115,27 @@ function buildTargetKey(target: ExecApprovalForwardTarget): string {
   return [channel, target.to, accountId, threadId].join(":");
 }
 
+function formatApprovalCommand(command: string): { inline: boolean; text: string } {
+  if (!command.includes("\n") && !command.includes("`")) {
+    return { inline: true, text: `\`${command}\`` };
+  }
+
+  let fence = "```";
+  while (command.includes(fence)) {
+    fence += "`";
+  }
+  return { inline: false, text: `${fence}\n${command}\n${fence}` };
+}
+
 function buildRequestMessage(request: ExecApprovalRequest, nowMs: number) {
   const lines: string[] = ["🔒 Exec approval required", `ID: ${request.id}`];
-  lines.push(`Command: ${request.request.command}`);
+  const command = formatApprovalCommand(request.request.command);
+  if (command.inline) {
+    lines.push(`Command: ${command.text}`);
+  } else {
+    lines.push("Command:");
+    lines.push(command.text);
+  }
   if (request.request.cwd) {
     lines.push(`CWD: ${request.request.cwd}`);
   }