feat(smartshell): Add secure spawn APIs, PTY support, interactive/streaming control, timeouts and buffer limits; update README and tests

test/test.interactiveControl.ts

@@ -0,0 +1,84 @@
+import { expect, tap } from '@git.zone/tstest/tapbundle';
+import * as smartshell from '../ts/index.js';
+
+tap.test('should handle programmatic input control with simple commands', async (tools) => {
+  const testSmartshell = new smartshell.Smartshell({
+    executor: 'bash',
+    sourceFilePaths: [],
+  });
+  
+  // Use cat which works well with pipe mode
+  const interactive = await testSmartshell.execInteractiveControl('cat');
+  
+  // Send input programmatically
+  await interactive.sendLine('TestUser');
+  interactive.endInput();
+  
+  // Wait for completion
+  const result = await interactive.finalPromise;
+  expect(result.exitCode).toEqual(0);
+  expect(result.stdout).toContain('TestUser');
+});
+
+tap.test('should handle streaming interactive control with cat', async (tools) => {
+  const testSmartshell = new smartshell.Smartshell({
+    executor: 'bash',
+    sourceFilePaths: [],
+  });
+  
+  // Use cat for reliable pipe mode operation
+  const streaming = await testSmartshell.execStreamingInteractiveControl('cat');
+  
+  // Send multiple inputs
+  await streaming.sendLine('One');
+  await streaming.sendLine('Two');
+  streaming.endInput();
+  
+  const result = await streaming.finalPromise;
+  expect(result.exitCode).toEqual(0);
+  expect(result.stdout).toContain('One');
+  expect(result.stdout).toContain('Two');
+});
+
+tap.test('should handle sendInput without newline', async (tools) => {
+  const testSmartshell = new smartshell.Smartshell({
+    executor: 'bash',
+    sourceFilePaths: [],
+  });
+  
+  // Use cat for testing input without newline
+  const interactive = await testSmartshell.execInteractiveControl('cat');
+  
+  // Send characters without newline, then newline, then EOF
+  await interactive.sendInput('ABC');
+  await interactive.sendInput('DEF');
+  await interactive.sendInput('\n');
+  interactive.endInput();
+  
+  const result = await interactive.finalPromise;
+  expect(result.exitCode).toEqual(0);
+  expect(result.stdout).toContain('ABCDEF');
+});
+
+tap.test('should mix passthrough and interactive control modes', async () => {
+  const testSmartshell = new smartshell.Smartshell({
+    executor: 'bash',
+    sourceFilePaths: [],
+  });
+  
+  // Test that passthrough still works
+  const passthroughResult = await testSmartshell.execPassthrough('echo "Passthrough works"');
+  expect(passthroughResult.exitCode).toEqual(0);
+  expect(passthroughResult.stdout).toContain('Passthrough works');
+  
+  // Test that interactive control works
+  const interactiveResult = await testSmartshell.execInteractiveControl('echo "Interactive control works"');
+  const finalResult = await interactiveResult.finalPromise;
+  expect(finalResult.exitCode).toEqual(0);
+  expect(finalResult.stdout).toContain('Interactive control works');
+});
+
+// Note: Tests requiring bash read with prompts should use PTY mode
+// See test.pty.ts for examples of testing commands that require terminal features
+
+export default tap.start();