FIX: Make sure that topic gists are displayed ONLY on the hot list.

assets/javascripts/discourse/components/ai-topic-gist.gjs

@@ -0,0 +1,24 @@
+import Component from "@glimmer/component";
+import { service } from "@ember/service";
+
+export default class AiTopicGist extends Component {
+  @service router;
+
+  get showGist() {
+    return (
+      this.router.currentRoute.attributes?.filterType === "hot" &&
+      this.args.topic?.ai_topic_gist &&
+      !this.args.topic?.excerpt
+    );
+  }
+
+  <template>
+    {{#if this.showGist}}
+      <div class="ai-topic-gist">
+        <div class="ai-topic-gist__text">
+          {{@topic.ai_topic_gist}}
+        </div>
+      </div>
+    {{/if}}
+  </template>
+}

assets/javascripts/discourse/connectors/topic-list-before-category/ai-topic-gist-placement.gjs

@@ -0,0 +1,13 @@
+import Component from "@glimmer/component";
+import AiTopicGist from "../../components/ai-topic-gist";
+
+export default class AiTopicGistPlacement extends Component {
+  static shouldRender(_outletArgs, helper) {
+    const settings = helper.siteSettings;
+    return settings.discourse_ai_enabled && settings.ai_summarization_enabled;
+  }
+
+  <template>
+    <AiTopicGist @topic={{@outletArgs.topic}} />
+  </template>
+}

config/settings.yml

@@ -351,6 +351,7 @@ discourse_ai:
     hidden: true
   ai_summarization_enabled:
     default: false
+    client: true
     validator: "DiscourseAi::Configuration::LlmDependencyValidator"
   ai_summarization_model:
     default: ""