FIX: clear uploads after successfully posting new PM

assets/javascripts/discourse/controllers/discourse-ai-bot-conversations.js

@@ -3,6 +3,7 @@ import Controller from "@ember/controller";
 import { action } from "@ember/object";
 import { getOwner } from "@ember/owner";
 import { service } from "@ember/service";
+import { popupAjaxError } from "discourse/lib/ajax-error";
 import UppyUpload from "discourse/lib/uppy/uppy-upload";
 import UppyMediaOptimization from "discourse/lib/uppy-media-optimization-plugin";
 import { clipboardHelpers } from "discourse/lib/utilities";
@@ -172,10 +173,15 @@ export default class DiscourseAiBotConversations extends Controller {
   }
 
   @action
-  prepareAndSubmitToBot() {
+  async prepareAndSubmitToBot() {
     // Pass uploads to the service before submitting
     this.aiBotConversationsHiddenSubmit.uploads = this.uploads;
-    this.aiBotConversationsHiddenSubmit.submitToBot();
+    try {
+      await this.aiBotConversationsHiddenSubmit.prepareAndSubmitToBot();
+      this.uploads.clear();
+    } catch (error) {
+      popupAjaxError(error);
+    }
   }
 
   _autoExpandTextarea() {

assets/javascripts/discourse/services/ai-bot-conversations-hidden-submit.js

@@ -3,7 +3,6 @@ import { next } from "@ember/runloop";
 import Service, { service } from "@ember/service";
 import { tracked } from "@ember-compat/tracked-built-ins";
 import { ajax } from "discourse/lib/ajax";
-import { popupAjaxError } from "discourse/lib/ajax-error";
 import { getUploadMarkdown } from "discourse/lib/uploads";
 import { i18n } from "discourse-i18n";
 
@@ -89,8 +88,6 @@ export default class AiBotConversationsHiddenSubmit extends Service {
       });
 
       this.router.transitionTo(response.post_url);
-    } catch (e) {
-      popupAjaxError(e);
     } finally {
       this.loading = false;
     }

assets/javascripts/initializers/ai-conversations-sidebar.js

@@ -319,7 +319,7 @@ export default {
 
               // force Glimmer to re-render that one link
               this.links = this.links.map((link) =>
-                link.topic.id === topic.id
+                link?.topic?.id === topic.id
                   ? new AiConversationLink(topic)
                   : link
               );

spec/system/ai_bot/homepage_spec.rb

@@ -131,6 +131,10 @@ RSpec.describe "AI Bot - Homepage", type: :system do
             expect(topic_page).to have_content("Here are two image attachments")
             expect(page).to have_css(".cooked img", count: 2)
           end
+
+          find(".ai-new-question-button").click
+          expect(ai_pm_homepage).to have_homepage
+          expect(page).to have_no_css(".ai-bot-upload")
         end
 
         it "allows removing an upload before submission" do