feat: rebrand Metapi to BoosAPI, add ComfyUI agent and user management

- Rename project from Metapi to BoosAPI across all UI and server strings
- Add ComfyUI conversational agent page (/comfyui-agent)
- Add user management system (register, login, API keys, admin)
- Update Dockerfile and database schema
- Add ComfyUI workflow nodes support
- Update shared contracts and platform configurations

Signed-off-by: Boos4721 <boos4721@icloud.com>

src/web/i18n.supplement.ts

@@ -191,7 +191,7 @@ export const zhToEnSupplemental: Record<string, string> = {
   '共 ${models.length} 个模型': 'Total ${models.length} models',
   '关闭': 'closure',
   '关于': 'about',
-  '关于 Metapi': 'About metapi',
+  '关于 BoosAPI': 'About BoosAPI',
   '管理端 IP 白名单': 'Management IP whitelist',
   '管理员': 'administrator',
   '管理员登录 Token 已被修改，请使用新 Token 登录。': 'The administrator login token has been modified, please use the new token to log in.',
@@ -259,7 +259,7 @@ export const zhToEnSupplemental: Record<string, string> = {
   '拉取分组失败': 'Failed to pull group',
   '拉取分组失败，已回退 default': 'Failed to pull the group and has fallen back to default',
   '冷却中': 'Cooling down',
-  '例如 metapi': 'For example metapi',
+  '例如 BoosAPI': 'For example metapi',
   '例如: admin@example.com': 'For example: admin@example.com',
   '例如: smtp.qq.com': 'For example: smtp.qq.com',
   '例如: target@example.com': 'For example: target@example.com',
@@ -770,7 +770,7 @@ export const zhToEnSupplemental: Record<string, string> = {
   'LDOH Cookie 已更新': 'LDOH Cookie updated',
   'LDOH Cookie 已清空': 'LDOH Cookie Cleared',
   'LinuxDo 可用性监控': 'LinuxDo availability monitoring',
-  'metapi 完全自托管，所有数据（账号、令牌、路由、日志）均存储在本地 SQLite 数据库中，不会向任何第三方发送数据。代理请求仅在你的服务器与上游站点之间直连传输。': 'metapi is completely self-hosted, all data (accounts, tokens, routes, logs) is stored in a local SQLite database and no data is sent to any third party. Proxy requests only travel directly between your server and the upstream site.',
+  'BoosAPI 完全自托管，所有数据（账号、令牌、路由、日志）均存储在本地 SQLite 数据库中，不会向任何第三方发送数据。代理请求仅在你的服务器与上游站点之间直连传输。': 'boosapi is completely self-hosted, all data (accounts, tokens, routes, logs) is stored in a local SQLite database and no data is sent to any third party. Proxy requests only travel directly between your server and the upstream site.',
   'model 不能为空': 'model cannot be empty',
   'modelLimitsEnabled 参数无效': 'modelLimitsEnabled parameter is invalid',
   'models 必须是非空数组': 'models must be a non-empty array',