feat(cli): allow safe tools to execute concurrently while agent is busy (#21988)

packages/cli/src/ui/components/InputPrompt.test.tsx

@@ -94,6 +94,12 @@ afterEach(() => {
 });
 
 const mockSlashCommands: SlashCommand[] = [
+  {
+    name: 'stats',
+    description: 'Check stats',
+    kind: CommandKind.BUILT_IN,
+    isSafeConcurrent: true,
+  },
   {
     name: 'clear',
     kind: CommandKind.BUILT_IN,
@@ -3876,6 +3882,13 @@ describe('InputPrompt', () => {
         shouldSubmit: false,
         errorMessage: 'Slash commands cannot be queued',
       },
+      {
+        name: 'should allow concurrent-safe slash commands',
+        bufferText: '/stats',
+        shellMode: false,
+        shouldSubmit: true,
+        errorMessage: null,
+      },
       {
         name: 'should prevent shell commands',
         bufferText: 'ls',

packages/cli/src/ui/components/InputPrompt.tsx

@@ -58,6 +58,7 @@ import {
   isAutoExecutableCommand,
   isSlashCommand,
 } from '../utils/commandUtils.js';
+import { parseSlashCommand } from '../../utils/commands.js';
 import * as path from 'node:path';
 import { SCREEN_READER_USER_PREFIX } from '../textConstants.js';
 import { getSafeLowColorBackground } from '../themes/color-utils.js';
@@ -408,6 +409,17 @@ export const InputPrompt: React.FC<InputPromptProps> = ({
         (isSlash || isShell) &&
         streamingState === StreamingState.Responding
       ) {
+        if (isSlash) {
+          const { commandToExecute } = parseSlashCommand(
+            trimmedMessage,
+            slashCommands,
+          );
+          if (commandToExecute?.isSafeConcurrent) {
+            inputHistory.handleSubmit(trimmedMessage);
+            return;
+          }
+        }
+
         setQueueErrorMessage(
           `${isShell ? 'Shell' : 'Slash'} commands cannot be queued`,
         );
@@ -415,7 +427,13 @@ export const InputPrompt: React.FC<InputPromptProps> = ({
       }
       inputHistory.handleSubmit(trimmedMessage);
     },
-    [inputHistory, shellModeActive, streamingState, setQueueErrorMessage],
+    [
+      inputHistory,
+      shellModeActive,
+      streamingState,
+      setQueueErrorMessage,
+      slashCommands,
+    ],
   );
 
   // Effect to reset completion if history navigation just occurred and set the text