fix(DuoChat): Remove the clean slash command

BREAKING CHANGE: Remove support for using /clean slash command.
Use documented /clear command.

src/components/experimental/duo/chat/constants.js

 export const CHAT_RESET_MESSAGE = '/reset';
-export const CHAT_CLEAN_MESSAGE = '/clean';
 export const CHAT_CLEAR_MESSAGE = '/clear';
 export const CHAT_INCLUDE_MESSAGE = '/include';
 

src/components/experimental/duo/chat/duo_chat.spec.js

@@ -20,7 +20,6 @@ import {
 import {
   MESSAGE_MODEL_ROLES,
   CHAT_RESET_MESSAGE,
-  CHAT_CLEAN_MESSAGE,
   CHAT_CLEAR_MESSAGE,
   CHAT_INCLUDE_MESSAGE,
 } from './constants';
@@ -536,20 +535,7 @@ describe('GlDuoChat', () => {
       });
     });
 
-    describe('clean / clear', () => {
-      it('does not render cancel button on clean', async () => {
-        createComponent({
-          propsData: { messages, isChatAvailable: true },
-          mountFn: mount,
-        });
-        setPromptInput(CHAT_CLEAN_MESSAGE);
-        clickSubmit();
-
-        await nextTick();
-        expect(findSubmitButton().exists()).toBe(true);
-        expect(findCancelButton().exists()).toBe(false);
-      });
-
+    describe('clear', () => {
       it('does not render cancel button on clear', async () => {
         createComponent({
           propsData: { messages, isChatAvailable: true },

src/components/experimental/duo/chat/duo_chat.stories.js

@@ -11,7 +11,7 @@ import {
 } from './components/duo_chat_context/mock_context_data';
 import GlDuoChat from './duo_chat.vue';
 import readme from './duo_chat.md';
-import { CHAT_CLEAN_MESSAGE, CHAT_CLEAR_MESSAGE } from './constants';
+import { CHAT_CLEAR_MESSAGE } from './constants';
 import {
   MOCK_RESPONSE_MESSAGE,
   MOCK_USER_PROMPT_MESSAGE,
@@ -126,7 +126,7 @@ export const Interactive = (args, { argTypes }) => ({
         requestId: this.requestId,
       };
       this.loggerInfo += `New prompt: ${JSON.stringify(newPrompt)}\n\n`;
-      if ([CHAT_CLEAN_MESSAGE, CHAT_CLEAR_MESSAGE].includes(prompt)) {
+      if ([CHAT_CLEAR_MESSAGE].includes(prompt)) {
         this.msgs = [];
       } else {
         this.msgs.push(newPrompt);

src/components/experimental/duo/chat/duo_chat.vue

@@ -17,7 +17,6 @@ import GlDuoChatLoader from './components/duo_chat_loader/duo_chat_loader.vue';
 import GlDuoChatPredefinedPrompts from './components/duo_chat_predefined_prompts/duo_chat_predefined_prompts.vue';
 import GlDuoChatConversation from './components/duo_chat_conversation/duo_chat_conversation.vue';
 import {
-  CHAT_CLEAN_MESSAGE,
   CHAT_RESET_MESSAGE,
   CHAT_CLEAR_MESSAGE,
   CHAT_INCLUDE_MESSAGE,
@@ -393,11 +392,7 @@ export default {
           return;
         }
 
-        if (
-          ![CHAT_RESET_MESSAGE, CHAT_CLEAN_MESSAGE, CHAT_CLEAR_MESSAGE].includes(
-            this.caseInsensitivePrompt
-          )
-        ) {
+        if (![CHAT_RESET_MESSAGE, CHAT_CLEAR_MESSAGE].includes(this.caseInsensitivePrompt)) {
           this.displaySubmitButton = false;
         }
 

src/components/experimental/duo/chat/mock_data.js

@@ -2,8 +2,8 @@ import { setStoryTimeout } from '../../../../utils/test_utils';
 import {
   DOCUMENTATION_SOURCE_TYPES,
   MESSAGE_MODEL_ROLES,
+  CHAT_CLEAR_MESSAGE,
   CHAT_RESET_MESSAGE,
-  CHAT_CLEAN_MESSAGE,
   CHAT_INCLUDE_MESSAGE,
 } from './constants';
 import { getMockContextItems } from './components/duo_chat_context/mock_context_data';
@@ -154,7 +154,7 @@ export const SLASH_COMMANDS = [
     description: 'Reset conversation, ignore the previous messages.',
   },
   {
-    name: CHAT_CLEAN_MESSAGE,
+    name: CHAT_CLEAR_MESSAGE,
     shouldSubmit: true,
     description: 'Delete all messages in this conversation.',
   },