feat: support local avatar uploads

src/web/App.tsx

@@ -1,4 +1,4 @@
-import React, { Suspense, lazy, useState, useEffect, useRef } from 'react';
+import React, { Suspense, lazy, useState, useEffect, useRef, useId } from 'react';
 import { Routes, Route, NavLink, Navigate, useLocation } from 'react-router-dom';
 import { gsap } from 'gsap';
 import { ToastProvider, useToast } from './components/Toast.js';
@@ -137,6 +137,32 @@ function normalizeAvatarUrl(value: unknown): string {
   return '';
 }
 
+async function fileToLocalAvatarDataUrl(file: File): Promise<string> {
+  if (!file.type.startsWith('image/')) {
+    throw new Error('头像文件必须是图片格式');
+  }
+  if (file.size > 5 * 1024 * 1024) {
+    throw new Error('头像图片不能超过 5MB');
+  }
+  const bitmap = await createImageBitmap(file);
+  try {
+    const size = 256;
+    const canvas = document.createElement('canvas');
+    canvas.width = size;
+    canvas.height = size;
+    const ctx = canvas.getContext('2d');
+    if (!ctx) throw new Error('当前浏览器无法处理头像图片');
+    const scale = Math.max(size / bitmap.width, size / bitmap.height);
+    const width = bitmap.width * scale;
+    const height = bitmap.height * scale;
+    ctx.clearRect(0, 0, size, size);
+    ctx.drawImage(bitmap, (size - width) / 2, (size - height) / 2, width, height);
+    return canvas.toDataURL('image/webp', 0.82);
+  } finally {
+    bitmap.close();
+  }
+}
+
 function defaultProfile(name: string): UserProfile {
   const avatarSeed = createRandomAvatarSeed();
   return { name, avatarSeed, avatarStyle: pickAvatarStyle(avatarSeed) };
@@ -247,10 +273,13 @@ function UserProfileModal({
   onSave: (nextProfile: UserProfile) => void;
   t: (text: string) => string;
 }) {
+  const avatarInputId = useId();
+  const fileInputRef = useRef<HTMLInputElement>(null);
   const [name, setName] = useState(profile.name);
   const [avatarSeed, setAvatarSeed] = useState(profile.avatarSeed);
   const [avatarStyle, setAvatarStyle] = useState(profile.avatarStyle);
   const [avatarUrl, setAvatarUrl] = useState(profile.avatarUrl || '');
+  const [avatarUploadName, setAvatarUploadName] = useState('');
   const [error, setError] = useState('');
   useEffect(() => {
     if (!open) return;
@@ -258,6 +287,7 @@ function UserProfileModal({
     setAvatarSeed(profile.avatarSeed);
     setAvatarStyle(profile.avatarStyle);
     setAvatarUrl(profile.avatarUrl || '');
+    setAvatarUploadName('');
     setError('');
   }, [open, profile]);
   const inputStyle: React.CSSProperties = {
@@ -275,6 +305,27 @@ function UserProfileModal({
     setAvatarSeed(nextSeed);
     setAvatarStyle(pickAvatarStyle(nextSeed));
     setAvatarUrl('');
+    setAvatarUploadName('');
+    if (fileInputRef.current) fileInputRef.current.value = '';
+  };
+  const handleAvatarFileChange = async (event: React.ChangeEvent<HTMLInputElement>) => {
+    const file = event.target.files?.[0];
+    if (!file) return;
+    try {
+      setError('');
+      const dataUrl = await fileToLocalAvatarDataUrl(file);
+      setAvatarUrl(dataUrl);
+      setAvatarUploadName(file.name);
+    } catch (uploadError: any) {
+      setError(t(uploadError?.message || '头像上传失败'));
+      event.target.value = '';
+    }
+  };
+  const handleClearAvatarImage = () => {
+    setAvatarUrl('');
+    setAvatarUploadName('');
+    setError('');
+    if (fileInputRef.current) fileInputRef.current.value = '';
   };
   const handleSubmit = () => {
     const normalizedName = name.trim();
@@ -288,7 +339,7 @@ function UserProfileModal({
     }
     const normalizedAvatarUrl = normalizeAvatarUrl(avatarUrl);
     if (avatarUrl.trim() && !normalizedAvatarUrl) {
-      setError(t('头像地址需要是 http(s)、站内路径或 data:image'));
+      setError(t('头像图片读取失败，请重新上传'));
       return;
     }
     onSave({
@@ -322,14 +373,16 @@ function UserProfileModal({
         </>
       )}
     >
-      <div style={{ display: 'flex', alignItems: 'center', gap: 10, marginBottom: 2 }}>
+      <div className="profile-avatar-preview-row">
         <LocalAvatar
-          className="topbar-avatar"
+          className="profile-avatar-preview"
           profile={previewProfile}
           label={previewProfile.name}
-          style={{ width: 40, height: 40, fontSize: 14 }}
         />
-        <div style={{ fontSize: 12, color: 'var(--color-text-muted)' }}>{t('右上角头像实时预览')}</div>
+        <div>
+          <strong>{t('头像实时预览')}</strong>
+          <span>{t('会同步显示在右上角和侧边栏。')}</span>
+        </div>
       </div>
       <div>
         <div style={{ fontSize: 12, color: 'var(--color-text-muted)', marginBottom: 6 }}>{t('用户名')}</div>
@@ -344,18 +397,25 @@ function UserProfileModal({
         />
       </div>
       <div>
-        <div style={{ fontSize: 12, color: 'var(--color-text-muted)', marginBottom: 6 }}>{t('自定义头像地址')}</div>
+        <div style={{ fontSize: 12, color: 'var(--color-text-muted)', marginBottom: 6 }}>{t('本地上传头像')}</div>
+        <div className="profile-avatar-upload">
           <input
-          value={avatarUrl}
-          onChange={(e) => {
-            setAvatarUrl(e.target.value);
-            setError('');
-          }}
-          placeholder={t('https://... 或 /avatar.png')}
-          style={inputStyle}
+            ref={fileInputRef}
+            id={avatarInputId}
+            type="file"
+            accept="image/png,image/jpeg,image/webp,image/gif"
+            onChange={handleAvatarFileChange}
           />
-        <div style={{ marginTop: 6, fontSize: 11.5, color: 'var(--color-text-muted)' }}>
-          {t('留空时使用本地生成头像，不会上传文件。')}
+          <label htmlFor={avatarInputId}>
+            <svg width="16" height="16" fill="none" viewBox="0 0 24 24" stroke="currentColor">
+              <path strokeLinecap="round" strokeLinejoin="round" strokeWidth={1.8} d="M4 16v1a3 3 0 003 3h10a3 3 0 003-3v-1M8 8l4-4m0 0l4 4m-4-4v12" />
+            </svg>
+            <span>{t('选择图片')}</span>
+          </label>
+          <div>
+            <strong>{avatarUploadName || (avatarUrl ? t('已选择本地头像') : t('未选择文件'))}</strong>
+            <span>{t('图片会压缩后保存在本机浏览器，不上传服务器。')}</span>
+          </div>
         </div>
       </div>
       <div>
@@ -367,7 +427,7 @@ function UserProfileModal({
             {t('换一个随机头像')}
           </button>
           {avatarUrl.trim() && (
-            <button type="button" className="btn btn-ghost" style={{ border: '1px solid var(--color-border)' }} onClick={() => setAvatarUrl('')}>
+            <button type="button" className="btn btn-ghost" style={{ border: '1px solid var(--color-border)' }} onClick={handleClearAvatarImage}>
               {t('清除图片头像')}
             </button>
           )}

src/web/i18n.supplement.ts

@@ -180,6 +180,18 @@ export const zhToEnSupplemental: Record<string, string> = {
   '个模型': 'models',
   '个人信息': 'personal information',
   '个人信息已保存': 'Personal information has been saved',
+  '头像实时预览': 'Avatar live preview',
+  '会同步显示在右上角和侧边栏。': 'It will appear in the top-right menu and sidebar.',
+  '本地上传头像': 'Upload local avatar',
+  '选择图片': 'Choose image',
+  '已选择本地头像': 'Local avatar selected',
+  '未选择文件': 'No file selected',
+  '图片会压缩后保存在本机浏览器，不上传服务器。': 'The image is compressed and saved in this browser, not uploaded to the server.',
+  '头像文件必须是图片格式': 'Avatar file must be an image',
+  '头像图片不能超过 5MB': 'Avatar image must be under 5MB',
+  '当前浏览器无法处理头像图片': 'This browser cannot process the avatar image',
+  '头像上传失败': 'Avatar upload failed',
+  '头像图片读取失败，请重新上传': 'Avatar image could not be read. Please upload it again.',
   '个站点': 'sites',
   '个账号': 'accounts',
   '跟随系统': 'Follow the system',
@@ -205,6 +217,7 @@ export const zhToEnSupplemental: Record<string, string> = {
   '缓存清理后重建完成：新增路由 ${rebuild.createdRoutes}，新增通道 ${rebuild.createdChannels}，移除通道 ${rebuild.removedChannels}': 'Reconstruction is completed after cache cleaning: new route ${rebuild.createdRoutes}, new channel ${rebuild.createdChannels}, removed channel ${rebuild.removedChannels}',
   '缓存已清理，重建路由已开始执行': 'The cache has been cleared and routing reconstruction has started.',
   '缓存已清理（模型缓存 ${res.deletedModelAvailability || 0} 条）': 'Cache cleared (model cache ${res.deletedModelAvailability || 0} items)',
+  '清除图片头像': 'Clear image avatar',
   '换一个随机头像': 'Change a random avatar',
   '恢复待处理的请求快照。': 'Restore a pending request snapshot.',
   '恢复任务 ${restored.pendingJobId}。': 'Recovery task ${restored.pendingJobId}.',

src/web/i18n.tsx

@@ -37,10 +37,24 @@ const zhToEn: Record<string, string> = {
   '用户名最多 24 个字符': 'Username can be at most 24 characters',
   '个人信息': 'Profile',
   '右上角头像实时预览': 'Top-right avatar live preview',
+  '头像实时预览': 'Avatar live preview',
+  '会同步显示在右上角和侧边栏。': 'It will appear in the top-right menu and sidebar.',
   '用户名': 'Username',
   '例如：小王': 'e.g. Alex',
+  '本地上传头像': 'Upload Local Avatar',
+  '选择图片': 'Choose Image',
+  '已选择本地头像': 'Local avatar selected',
+  '未选择文件': 'No file selected',
+  '图片会压缩后保存在本机浏览器，不上传服务器。': 'The image is compressed and saved in this browser, not uploaded to the server.',
+  '头像文件必须是图片格式': 'Avatar file must be an image',
+  '头像图片不能超过 5MB': 'Avatar image must be under 5MB',
+  '当前浏览器无法处理头像图片': 'This browser cannot process the avatar image',
+  '头像上传失败': 'Avatar upload failed',
+  '头像图片读取失败，请重新上传': 'Avatar image could not be read. Please upload it again.',
   '头像（Dicebear 随机） · 风格：': 'Avatar (Dicebear Random) · Style:',
+  '头像 · 风格：': 'Avatar · Style: ',
   '换一个随机头像': 'Randomize Avatar',
+  '清除图片头像': 'Clear Image Avatar',
   '取消': 'Cancel',
   '保存': 'Save',
   '关闭': 'Close',

src/web/index.css

@@ -12294,6 +12294,99 @@ textarea:focus {
   background: var(--color-primary);
 }
 
+.profile-avatar-preview-row {
+  display: grid;
+  grid-template-columns: 52px minmax(0, 1fr);
+  gap: 12px;
+  align-items: center;
+  padding: 10px;
+  border: 1px solid var(--console-line);
+  border-radius: 16px;
+  background:
+    linear-gradient(135deg, color-mix(in srgb, var(--color-primary) 8%, var(--color-bg-card)), color-mix(in srgb, var(--color-bg-card) 76%, var(--color-bg)));
+}
+
+.profile-avatar-preview {
+  width: 52px;
+  height: 52px;
+  display: inline-flex;
+  align-items: center;
+  justify-content: center;
+  overflow: hidden;
+  border-radius: 18px;
+  color: #fff;
+  font-size: 16px;
+  font-weight: 840;
+  line-height: 1;
+  text-transform: uppercase;
+  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.38);
+}
+
+.profile-avatar-preview img {
+  width: 100%;
+  height: 100%;
+  display: block;
+  object-fit: cover;
+}
+
+.profile-avatar-preview-row strong,
+.profile-avatar-upload strong {
+  display: block;
+  color: var(--color-text-primary);
+  font-size: 13px;
+  font-weight: 820;
+}
+
+.profile-avatar-preview-row span,
+.profile-avatar-upload span {
+  display: block;
+  margin-top: 3px;
+  color: var(--color-text-muted);
+  font-size: 11.5px;
+  line-height: 1.55;
+}
+
+.profile-avatar-upload {
+  display: grid;
+  grid-template-columns: auto minmax(0, 1fr);
+  gap: 12px;
+  align-items: center;
+  padding: 12px;
+  border: 1px dashed color-mix(in srgb, var(--color-primary) 26%, var(--console-line-strong));
+  border-radius: 16px;
+  background: color-mix(in srgb, var(--color-primary) 5%, var(--color-bg-card));
+}
+
+.profile-avatar-upload input {
+  position: absolute;
+  width: 1px;
+  height: 1px;
+  opacity: 0;
+  pointer-events: none;
+}
+
+.profile-avatar-upload label {
+  min-height: 38px;
+  display: inline-flex;
+  align-items: center;
+  gap: 8px;
+  padding: 0 14px;
+  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, var(--console-line));
+  border-radius: 999px;
+  color: var(--color-primary);
+  background: var(--color-bg-card);
+  cursor: pointer;
+  font-size: 13px;
+  font-weight: 780;
+  transition: transform 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
+}
+
+.profile-avatar-upload label:hover {
+  transform: translateY(-1px);
+  border-color: color-mix(in srgb, var(--color-primary) 48%, var(--console-line));
+  background: color-mix(in srgb, var(--color-primary) 8%, var(--color-bg-card));
+}
+
 .workspace-thumb,
 .picture-agent-image-frame,
 .picture-agent-history img {