interactive shell mode

package-lock.json

@@ -6772,6 +6772,12 @@
       "integrity": "sha512-6FlzubTLZG3J2a/NVCAleEhjzq5oxgHyaCU9yYXvcLsvoVaHJq/s5xXI6/XXP6tz7R9xAOtHnSO/tXtF3WRTlA==",
       "license": "MIT"
     },
+    "node_modules/nan": {
+      "version": "2.22.2",
+      "resolved": "https://registry.npmjs.org/nan/-/nan-2.22.2.tgz",
+      "integrity": "sha512-DANghxFkS1plDdRsX0X9pm0Z6SJNN6gBdtXfanwoZ8hooC5gosGFSBGRYHUVPz1asKA/kMRqDRdHrluZ61SpBQ==",
+      "license": "MIT"
+    },
     "node_modules/nanoid": {
       "version": "3.3.11",
       "resolved": "https://registry.npmjs.org/nanoid/-/nanoid-3.3.11.tgz",
@@ -6901,6 +6907,16 @@
         "node": ">=10"
       }
     },
+    "node_modules/node-pty": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/node-pty/-/node-pty-1.0.0.tgz",
+      "integrity": "sha512-wtBMWWS7dFZm/VgqElrTvtfMq4GzJ6+edFI0Y0zyzygUSZMgZdraDUMUhCIvkjhJjme15qWmbyJbtAx4ot4uZA==",
+      "hasInstallScript": true,
+      "license": "MIT",
+      "dependencies": {
+        "nan": "^2.17.0"
+      }
+    },
     "node_modules/nopt": {
       "version": "5.0.0",
       "resolved": "https://registry.npmjs.org/nopt/-/nopt-5.0.0.tgz",
@@ -10344,6 +10360,7 @@
         "ink-text-input": "^6.0.0",
         "lowlight": "^3.3.0",
         "mime-types": "^2.1.4",
+        "node-pty": "^1.0.0",
         "open": "^10.1.2",
         "react": "^18.3.1",
         "read-package-up": "^11.0.0",

packages/cli/package.json

@@ -41,8 +41,9 @@
     "ink-spinner": "^5.0.0",
     "ink-text-input": "^6.0.0",
     "lowlight": "^3.3.0",
-    "open": "^10.1.2",
     "mime-types": "^2.1.4",
+    "node-pty": "^1.0.0",
+    "open": "^10.1.2",
     "react": "^18.3.1",
     "read-package-up": "^11.0.0",
     "shell-quote": "^1.8.2",

packages/cli/src/ui/hooks/shellCommandProcessor.ts

@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { spawn } from 'child_process';
 import type { HistoryItemWithoutId } from '../types.js';
 import type { exec as ExecType } from 'child_process';
 import { useCallback } from 'react';
@@ -15,6 +14,7 @@ import crypto from 'crypto';
 import path from 'path';
 import os from 'os';
 import fs from 'fs';
+import pty from 'node-pty';
 
 /**
  * Hook to process shell commands (e.g., !ls, $pwd).
@@ -115,35 +115,32 @@ export const useShellCommandProcessor = (
             },
           );
         } else {
-          const child = spawn('bash', ['-c', commandToExecute], {
+          const child = pty.spawn('bash', ['-c', commandToExecute], {
+            name: 'xterm-color',
+            cols: process.stdout.columns,
+            rows: Math.min(20, process.stdout.rows),
             cwd: targetDir,
-            stdio: ['ignore', 'pipe', 'pipe'],
+            env: process.env,
           });
 
           let output = '';
-          const handleOutput = (data: string) => {
+          child.onData((data: string) => {
             output += data;
-            setPendingHistoryItem({
-              type: 'info',
-              text: output,
-            });
-          };
-          child.stdout.on('data', handleOutput);
-          child.stderr.on('data', handleOutput);
-
-          let error: Error | null = null;
-          child.on('error', (err: Error) => {
-            error = err;
+            setPendingHistoryItem({ type: 'info', text: output });
           });
 
-          child.on('close', (code, signal) => {
+          const stdinListener = (data: Buffer) => {
+            child.write(data.toString());
+          };
+          process.stdin.on('data', stdinListener);
+
+          child.onExit(({ exitCode, signal }) => {
+            process.stdin.removeListener('data', stdinListener);
             setPendingHistoryItem(null);
+
             output = output.trim() || '(Command produced no output)';
-            if (error) {
-              const text = `${error.message.replace(commandToExecute, rawQuery)}\n${output}`;
-              addItemToHistory({ type: 'error', text }, userMessageTimestamp);
-            } else if (code !== 0) {
-              const text = `Command exited with code ${code}\n${output}`;
+            if (exitCode !== 0) {
+              const text = `Command exited with code ${exitCode}\n${output}`;
               addItemToHistory({ type: 'error', text }, userMessageTimestamp);
             } else if (signal) {
               const text = `Command terminated with signal ${signal}\n${output}`;

packages/cli/src/utils/sandbox-macos-minimal.sb

@@ -14,4 +14,10 @@
     (literal "/dev/stdout")
     (literal "/dev/stderr")
     (literal "/dev/null")
-)
+)
+
+;; additional permissions for node-pty
+(allow file-write*
+    (regex #"^/dev/tty.*")
+    (regex #"^/dev/ptmx$")
+)

packages/cli/src/utils/sandbox-macos-strict.sb

@@ -72,6 +72,8 @@
     (literal "/dev/stdout")
     (literal "/dev/stderr")
     (literal "/dev/null")
+    (regex #"^/dev/tty.*")
+    (regex #"^/dev/ptmx$")
 )
 
 ;; allow outbound network connections
@@ -86,3 +88,10 @@
 ;; enable terminal access required by ink
 ;; fixes setRawMode EPERM failure (at node:tty:81:24)
 (allow file-ioctl (regex #"^/dev/tty.*"))
+
+;; additional permissions for node-pty
+(allow file-write*
+    (regex #"^/dev/tty.*")
+    (regex #"^/dev/ptmx$")
+)
+(allow file-ioctl (regex #"^/dev/ptmx$"))