fix: render documentation URLs as hyperlinks in model tooltips (#17224)

web/src/components/linkify-text.tsx

@@ -0,0 +1,68 @@
+/*
+ *  Copyright 2026 The InfiniFlow Authors. All Rights Reserved.
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+import type { ReactNode } from 'react';
+
+const URL_REGEX = /(https?:\/\/[^\s<>)"{}|^`[\]]+)/gi;
+
+interface LinkifyTextProps {
+  children: ReactNode;
+  className?: string;
+}
+
+export function LinkifyText({ children, className }: LinkifyTextProps) {
+  if (typeof children !== 'string') {
+    return <span className={className}>{children}</span>;
+  }
+
+  const parts: ReactNode[] = [];
+  let lastIndex = 0;
+  let match;
+
+  while ((match = URL_REGEX.exec(children)) !== null) {
+    if (match.index > lastIndex) {
+      parts.push(
+        <span key={`text-${lastIndex}`}>
+          {children.slice(lastIndex, match.index)}
+        </span>,
+      );
+    }
+
+    const url = match[0];
+    parts.push(
+      <a
+        key={`link-${match.index}`}
+        href={url}
+        target="_blank"
+        rel="noopener noreferrer"
+        className="text-buttonBlueText underline hover:opacity-80"
+        onClick={(e) => e.stopPropagation()}
+      >
+        {url}
+      </a>,
+    );
+
+    lastIndex = match.index + url.length;
+  }
+
+  if (lastIndex < children.length) {
+    parts.push(
+      <span key={`text-${lastIndex}`}>{children.slice(lastIndex)}</span>,
+    );
+  }
+
+  return <span className={className}>{parts}</span>;
+}

web/src/pages/user-setting/setting-model/layout/system-setting.tsx

@@ -14,6 +14,7 @@
  *  limitations under the License.
  */
 
+import { LinkifyText } from '@/components/linkify-text';
 import { ModelTreeSelect, ModelTypeMap } from '@/components/model-tree-select';
 import {
   Tooltip,
@@ -56,7 +57,9 @@ function ModelFieldItem({
         {label}
         {tooltip && (
           <Tooltip>
-            <TooltipContent>{tooltip}</TooltipContent>
+            <TooltipContent>
+              <LinkifyText>{tooltip}</LinkifyText>
+            </TooltipContent>
             <TooltipTrigger>
               <CircleQuestionMark
                 size={12}