add keybinding for stop chat

Author: yueny2020

packages/amazonq/package.json

@@ -543,6 +543,11 @@
             ]
         },
         "commands": [
+            {
+                "command": "aws.amazonq.stopToolExecution",
+                "title": "Stop Amazon Q Tool Execution",
+                "category": "%AWS.amazonq.title%"
+            },
             {
                 "command": "_aws.amazonq.notifications.dismiss",
                 "title": "%AWS.generic.dismiss%",
@@ -894,6 +899,11 @@
                 "command": "aws.amazonq.inline.waitForUserDecisionRejectAll",
                 "key": "escape",
                 "when": "editorTextFocus && aws.codewhisperer.connected && amazonq.inline.codelensShortcutEnabled"
+            },
+            {
+                "command": "aws.amazonq.stopToolExecution",
+                "key": "cmd+alt+h",
+                "mac": "cmd+alt+h"
             }
         ],
         "icons": {

packages/amazonq/src/lsp/chat/commands.ts

@@ -13,6 +13,14 @@ import { AmazonQChatViewProvider } from './webviewProvider'
  */
 export function registerCommands(provider: AmazonQChatViewProvider) {
     globals.context.subscriptions.push(
+        Commands.register('aws.amazonq.stopToolExecution', async () => {
+            void focusAmazonQPanel().then(() => {
+                void provider.webview?.postMessage({
+                    command: 'stopChatResponse',
+                    params: {}, // how to get the current tabId?
+                })
+            })
+        }),
         registerGenericCommand('aws.amazonq.explainCode', 'Explain', provider),
         registerGenericCommand('aws.amazonq.refactorCode', 'Refactor', provider),
         registerGenericCommand('aws.amazonq.fixCode', 'Fix', provider),

packages/amazonq/src/lsp/chat/messages.ts

@@ -132,6 +132,13 @@ export function registerMessageListeners(
         }
 
         const webview = provider.webview
+        if (message.command === 'stopChatResponse') {
+            const tabId = (message as StopChatResponseMessage).params.tabId
+            const token = chatStreamTokens.get(tabId)
+            token?.cancel()
+            token?.dispose()
+            chatStreamTokens.delete(tabId)
+        }
         switch (message.command) {
             case COPY_TO_CLIPBOARD:
                 languageClient.info('[VSCode Client] Copy to clipboard event received')
@@ -234,7 +241,6 @@ export function registerMessageListeners(
                         void handlePartialResult<ChatResult>(partialResult, encryptionKey, provider, chatParams.tabId)
                     }
                 )
-
                 const editor =
                     vscode.window.activeTextEditor ||
                     vscode.window.visibleTextEditors.find((editor) => editor.document.languageId !== 'Log')
@@ -458,7 +464,7 @@ export function registerMessageListeners(
             context: {
                 activeFileContext: {
                     filePath: params.originalFileUri,
-                    fileText: params.originalFileContent ?? '',
+                    fileText: '',
                     fileLanguage: undefined,
                     matchPolicy: undefined,
                 },