COMPATIBILITY: use new modifyClass syntax and fix import

assets/javascripts/discourse/components/composer-raiser.gjs

@@ -1,6 +1,7 @@
 import Component from "@glimmer/component";
 import { action } from "@ember/object";
 import didInsert from "@ember/render-modifiers/modifiers/did-insert";
+import { scheduleOnce } from "@ember/runloop";
 import { service } from "@ember/service";
 
 export default class ComposerRaiserCompopnent extends Component {

assets/javascripts/discourse/initializers/chatbot-post-launch-init.js

@@ -4,53 +4,58 @@ import ChatbotLaunch from "../components/chatbot-launch";
 export default apiInitializer("1.8.0", (api) => {
   const siteSettings = api.container.lookup("service:site-settings");
 
-  api.modifyClass("component:chat-channel", {
-    pluginId: "discourse-chatbot",
-    async fetchMessages(findArgs = {}) {
-      if (this.messagesLoader.loading) {
-        return;
-      }
+  api.modifyClass(
+    "component:chat-channel",
+    (Superclass) =>
+      class extends Superclass {
+        async fetchMessages(findArgs = {}) {
+          if (this.messagesLoader.loading) {
+            return;
+          }
 
-      this.messagesManager.clear();
+          this.messagesManager.clear();
 
-      const result = await this.messagesLoader.load(findArgs);
-      this.messagesManager.messages = this.processMessages(
-        this.args.channel,
-        result
-      );
-      if (findArgs.target_message_id) {
-        this.scrollToMessageId(findArgs.target_message_id, {
-          highlight: true,
-          position: findArgs.position,
-        });
-      } else if (findArgs.fetch_from_last_read) {
-        const lastReadMessageId = this.currentUserMembership?.lastReadMessageId;
-        if (
-          this.args.channel.chatable.type === "DirectMessage" &&
-          this.args.channel.unicodeTitle === this.siteSettings.chatbot_bot_user
-        ) {
-          this.scrollToMessageId(
-            this.messagesManager.messages[
-              this.messagesManager.messages.length - 1
-            ].id
+          const result = await this.messagesLoader.load(findArgs);
+          this.messagesManager.messages = this.processMessages(
+            this.args.channel,
+            result
           );
-        } else {
-          this.scrollToMessageId(lastReadMessageId);
+          if (findArgs.target_message_id) {
+            this.scrollToMessageId(findArgs.target_message_id, {
+              highlight: true,
+              position: findArgs.position,
+            });
+          } else if (findArgs.fetch_from_last_read) {
+            const lastReadMessageId =
+              this.currentUserMembership?.lastReadMessageId;
+            if (
+              this.args.channel.chatable.type === "DirectMessage" &&
+              this.args.channel.unicodeTitle ===
+                this.siteSettings.chatbot_bot_user
+            ) {
+              this.scrollToMessageId(
+                this.messagesManager.messages[
+                  this.messagesManager.messages.length - 1
+                ].id
+              );
+            } else {
+              this.scrollToMessageId(lastReadMessageId);
+            }
+          } else if (findArgs.target_date) {
+            this.scrollToMessageId(result.meta.target_message_id, {
+              highlight: true,
+              position: "center",
+            });
+          } else {
+            this._ignoreNextScroll = true;
+            this.scrollToBottom();
+          }
+
+          this.debounceFillPaneAttempt();
+          this.debouncedUpdateLastReadMessage();
         }
-      } else if (findArgs.target_date) {
-        this.scrollToMessageId(result.meta.target_message_id, {
-          highlight: true,
-          position: "center",
-        });
-      } else {
-        this._ignoreNextScroll = true;
-        this.scrollToBottom();
       }
-
-      this.debounceFillPaneAttempt();
-      this.debouncedUpdateLastReadMessage();
-    },
-  });
+  );
 
   if (siteSettings.chatbot_quick_access_bot_post_kicks_off) {
     api.registerValueTransformer(

config/settings.yml

@@ -50,6 +50,7 @@ plugins:
       - gpt-5
       - gpt-5-mini
       - gpt-5-nano
+      - gpt-5.1
       - o4-mini
       - o3
       - o3-mini
@@ -85,6 +86,7 @@ plugins:
       - gpt-5
       - gpt-5-mini
       - gpt-5-nano
+      - gpt-5.1
       - o4-mini
       - o3
       - o3-mini
@@ -120,6 +122,7 @@ plugins:
       - gpt-5
       - gpt-5-mini
       - gpt-5-nano
+      - gpt-5.1
       - o4-mini
       - o3
       - o3-mini
@@ -139,6 +142,7 @@ plugins:
     type: enum
     default: medium
     choices:
+      - none
       - minimal
       - low
       - medium
@@ -282,6 +286,10 @@ plugins:
     type: enum
     default: gpt-4o
     choices:
+      - gpt-5.1
+      - gpt-5-mini
+      - gpt-5-nano
+      - gpt-5
       - gpt-4.1
       - gpt-4.1-mini
       - gpt-4.1-nano

plugin.rb

@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 # name: discourse-chatbot
 # about: a plugin that allows you to have a conversation with a configurable chatbot in Chat, Topics and Private Messages
-# version: 1.5.19
+# version: 1.5.20
 # authors: merefield
 # url: https://github.com/merefield/discourse-chatbot
 
@@ -41,7 +41,7 @@ module ::DiscourseChatbot
   POST_URL_REGEX = %r{\/t/[^/]+/(\d+)/(\d+)(?!\d|\/)}
   NON_POST_URL_REGEX = %r{\bhttps?:\/\/[^\s\/$.?#].[^\s)]*}
 
-  REASONING_MODELS = ["o1", "o1-mini", "o3", "o3-mini", "o4-mini", "gpt-5", "gpt-5-mini", "gpt-5-nano"]
+  REASONING_MODELS = ["o1", "o1-mini", "o3", "o3-mini", "o4-mini", "gpt-5", "gpt-5-mini", "gpt-5-nano", "gpt-5.1"]
 
   def progress_debug_message(message)
     puts "Chatbot: #{message}" if SiteSetting.chatbot_enable_verbose_console_logging