refac/fix: reasoning content tag parsing

backend/open_webui/utils/middleware.py

@@ -1543,9 +1543,7 @@ async def process_chat_response(
                 if not metadata.get("chat_id", "").startswith(
                     "local:"
                 ):  # Only update titles and tags for non-temp chats
-                    if (
-                        TASKS.TITLE_GENERATION in tasks
-                    ):
+                    if TASKS.TITLE_GENERATION in tasks:
                         user_message = get_last_user_message(messages)
                         if user_message and len(user_message) > 100:
                             user_message = user_message[:100] + "..."
@@ -1938,9 +1936,11 @@ async def process_chat_response(
                                 content = f"{content}{tool_calls_display_content}"
 
                     elif block["type"] == "reasoning":
-                        reasoning_display_content = "\n".join(
-                            (f"> {line}" if not line.startswith(">") else line)
-                            for line in block["content"].splitlines()
+                        reasoning_display_content = html.escape(
+                            "\n".join(
+                                (f"> {line}" if not line.startswith(">") else line)
+                                for line in block["content"].splitlines()
+                            )
                         )
 
                         reasoning_duration = block.get("duration", None)

src/lib/components/chat/Messages/Markdown/MarkdownTokens.svelte

@@ -1,4 +1,5 @@
 <script lang="ts">
+	import { decode } from 'html-entities';
 	import DOMPurify from 'dompurify';
 	import { onMount, getContext } from 'svelte';
 	const i18n = getContext('i18n');
@@ -10,6 +11,7 @@
 	import { unescapeHtml } from '$lib/utils';
 
 	import { WEBUI_BASE_URL } from '$lib/constants';
+	import { settings } from '$lib/stores';
 
 	import CodeBlock from '$lib/components/chat/Messages/CodeBlock.svelte';
 	import MarkdownInlineTokens from '$lib/components/chat/Messages/Markdown/MarkdownInlineTokens.svelte';
@@ -20,7 +22,6 @@
 	import Download from '$lib/components/icons/Download.svelte';
 
 	import Source from './Source.svelte';
-	import { settings } from '$lib/stores';
 	import HtmlToken from './HTMLToken.svelte';
 
 	export let id: string;
@@ -304,7 +305,7 @@
 			<div class=" mb-1.5" slot="content">
 				<svelte:self
 					id={`${id}-${tokenIdx}-d`}
-					tokens={marked.lexer(token.text)}
+					tokens={marked.lexer(decode(token.text))}
 					attributes={token?.attributes}
 					{done}
 					{editCodeBlock}