Add thonk block copy

public/index.html

@@ -6232,6 +6232,7 @@
                     <details class="mes_reasoning_details">
                         <summary class="mes_reasoning_summary">
                             <span data-i18n="Reasoning">Reasoning</span>
+                            <div class="mes_reasoning_copy right_menu_button fa-solid fa-copy" title="Copy reasoning" data-i18n="[title]Copy reasoning"></div>
                         </summary>
                         <div class="mes_reasoning"></div>
                     </details>

public/scripts/chats.js

@@ -37,6 +37,7 @@ import {
     saveBase64AsFile,
     extractTextFromOffice,
     download,
+    copyText,
 } from './utils.js';
 import { extension_settings, renderExtensionTemplateAsync, saveMetadataDebounced } from './extensions.js';
 import { POPUP_RESULT, POPUP_TYPE, Popup, callGenericPopup } from './popup.js';
@@ -1567,6 +1568,25 @@ jQuery(function () {
     $(document).on('click', '.mes_img_enlarge', enlargeMessageImage);
     $(document).on('click', '.mes_img_delete', deleteMessageImage);
 
+    $(document).on('click', '.mes_reasoning_copy', (e) => {
+        e.stopPropagation();
+        e.preventDefault();
+    });
+
+    $(document).on('pointerup', '.mes_reasoning_copy', async function () {
+        const mesBlock = $(this).closest('.mes');
+        const mesId = mesBlock.attr('mesid');
+        const message = chat[mesId];
+        const reasoning = message?.extra?.reasoning;
+
+        if (!reasoning) {
+            return;
+        }
+
+        await copyText(reasoning);
+        toastr.info(t`Copied!`, '', { timeOut: 2000 });
+    });
+
     $('#file_form_input').on('change', async () => {
         const fileInput = document.getElementById('file_form_input');
         if (!(fileInput instanceof HTMLInputElement)) return;

public/style.css

@@ -345,6 +345,17 @@ input[type='checkbox']:focus-visible {
 
 .mes_reasoning_summary {
     cursor: pointer;
+    position: relative;
+}
+
+.mes_reasoning_details:not([open]) .mes_reasoning_copy {
+    display: none;
+}
+
+.mes_reasoning_copy {
+    position: absolute;
+    right: 0;
+    top: 0;
 }
 
 .mes_reasoning_summary > span {