feat(plan): add copy subcommand to plan (#20491) (#20988)

packages/cli/src/ui/commands/planCommand.ts

@@ -4,22 +4,54 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 
-import { CommandKind, type SlashCommand } from './types.js';
+import {
+  type CommandContext,
+  CommandKind,
+  type SlashCommand,
+} from './types.js';
 import {
   ApprovalMode,
   coreEvents,
   debugLogger,
   processSingleFileContent,
   partToString,
+  readFileWithEncoding,
 } from '@google/gemini-cli-core';
 import { MessageType } from '../types.js';
 import * as path from 'node:path';
+import { copyToClipboard } from '../utils/commandUtils.js';
+
+async function copyAction(context: CommandContext) {
+  const config = context.services.config;
+  if (!config) {
+    debugLogger.debug('Plan copy command: config is not available in context');
+    return;
+  }
+
+  const planPath = config.getApprovedPlanPath();
+
+  if (!planPath) {
+    coreEvents.emitFeedback('warning', 'No approved plan found to copy.');
+    return;
+  }
+
+  try {
+    const content = await readFileWithEncoding(planPath);
+    await copyToClipboard(content);
+    coreEvents.emitFeedback(
+      'info',
+      `Plan copied to clipboard (${path.basename(planPath)}).`,
+    );
+  } catch (error) {
+    coreEvents.emitFeedback('error', `Failed to copy plan: ${error}`, error);
+  }
+}
 
 export const planCommand: SlashCommand = {
   name: 'plan',
   description: 'Switch to Plan Mode and view current plan',
   kind: CommandKind.BUILT_IN,
-  autoExecute: true,
+  autoExecute: false,
   action: async (context) => {
     const config = context.services.config;
     if (!config) {
@@ -62,4 +94,13 @@ export const planCommand: SlashCommand = {
       );
     }
   },
+  subCommands: [
+    {
+      name: 'copy',
+      description: 'Copy the currently approved plan to your clipboard',
+      kind: CommandKind.BUILT_IN,
+      autoExecute: true,
+      action: copyAction,
+    },
+  ],
 };