refactor(config): 将AI配置逻辑迁移至统一的状态管理store

- 移除独立的ai-config.ts文件，将其功能整合到use-config-store
- 更新所有组件导入路径从 "@/lib/ai-config" 到 "@/stores/use-config-store"
- 实现云端渠道和本地直连两种配置模式的支持
- 添加模型渠道配置管理和API请求代理转发功能
- 统一配置验证逻辑和有效配置获取方法
- 更新组件中使用的配置状态钩子和API调用方式

web/src/components/app-providers.tsx

@@ -7,9 +7,9 @@ import { QueryClient, QueryClientProvider } from "@tanstack/react-query";
 import { App, ConfigProvider } from "antd";
 import zhCN from "antd/locale/zh_CN";
 
+import { ClientRootInit } from "@/components/client-root-init";
 import { getAntThemeConfig } from "@/lib/app-theme";
 import { useThemeStore } from "@/stores/use-theme-store";
-import { useUserStore } from "@/stores/use-user-store";
 
 const queryClient = new QueryClient({
   defaultOptions: {
@@ -23,7 +23,6 @@ const queryClient = new QueryClient({
 
 export function AppProviders({ children }: { children: ReactNode }) {
   const theme = useThemeStore((state) => state.theme);
-  const hydrateUser = useUserStore((state) => state.hydrateUser);
   const dark = theme === "dark";
 
   useEffect(() => {
@@ -31,15 +30,13 @@ export function AppProviders({ children }: { children: ReactNode }) {
     document.documentElement.style.colorScheme = theme;
   }, [dark, theme]);
 
-  useEffect(() => {
-    void hydrateUser();
-  }, [hydrateUser]);
-
   return (
     <ConfigProvider locale={zhCN} theme={getAntThemeConfig(dark)}>
       <ProConfigProvider dark={dark}>
         <App>
-          <QueryClientProvider client={queryClient}>{children}</QueryClientProvider>
+          <QueryClientProvider client={queryClient}>
+            <ClientRootInit>{children}</ClientRootInit>
+          </QueryClientProvider>
         </App>
       </ProConfigProvider>
     </ConfigProvider>

web/src/components/app-top-nav.tsx

@@ -2,15 +2,14 @@
 
 import { LogOut, Menu, Settings2, Shield } from "lucide-react";
 import Link from "next/link";
-import { App, Button, Drawer, Form, Input, Modal } from "antd";
+import { App, Button, Drawer, Form, Input, Modal, Segmented } from "antd";
 
-import { useConfigDialogStore } from "@/stores/use-config-dialog-store";
 import { ModelPicker } from "@/components/model-picker";
 import { GitHubLink } from "@/components/github-link";
 import { UserStatusActions } from "@/components/user-status-actions";
 import { AnimatedThemeToggler } from "@/components/ui/animated-theme-toggler";
 import { VersionReleaseModal } from "@/components/version-release-modal";
-import type { AiConfig } from "@/lib/ai-config";
+import { useConfigStore, type AiConfig } from "@/stores/use-config-store";
 import { navigationTools, type NavigationToolSlug } from "@/lib/navigation-tools";
 import { fetchImageModels } from "@/services/api/image";
 import { useThemeStore } from "@/stores/use-theme-store";
@@ -30,20 +29,33 @@ export function AppTopNav({ activeToolSlug, config, onConfigChange, hideHeader =
   const [loadingModels, setLoadingModels] = useState(false);
   const [mobileNavOpen, setMobileNavOpen] = useState(false);
   const appVersion = process.env.NEXT_PUBLIC_APP_VERSION || "dev";
-  const isConfigOpen = useConfigDialogStore((state) => state.isOpen);
-  const shouldPromptContinue = useConfigDialogStore((state) => state.shouldPromptContinue);
-  const openConfigDialog = useConfigDialogStore((state) => state.openConfigDialog);
-  const setConfigDialogOpen = useConfigDialogStore((state) => state.setConfigDialogOpen);
-  const clearPromptContinue = useConfigDialogStore((state) => state.clearPromptContinue);
+  const isConfigOpen = useConfigStore((state) => state.isConfigOpen);
+  const shouldPromptContinue = useConfigStore((state) => state.shouldPromptContinue);
+  const openConfigDialog = useConfigStore((state) => state.openConfigDialog);
+  const setConfigDialogOpen = useConfigStore((state) => state.setConfigDialogOpen);
+  const clearPromptContinue = useConfigStore((state) => state.clearPromptContinue);
   const theme = useThemeStore((state) => state.theme);
   const setTheme = useThemeStore((state) => state.setTheme);
   const user = useUserStore((state) => state.user);
   const isReady = useUserStore((state) => state.isReady);
   const logout = useUserStore((state) => state.clearSession);
+  const publicSettings = useConfigStore((state) => state.publicSettings);
+  const modelChannel = publicSettings?.modelChannel;
+  const allowCustomChannel = modelChannel?.allowCustomChannel === true;
+  const effectiveMode = allowCustomChannel ? config.channelMode : "remote";
+  const modelConfig = effectiveMode === "remote" && modelChannel ? {
+    ...config,
+    models: modelChannel.availableModels,
+    imageModel: modelChannel.availableModels.includes(config.imageModel) ? config.imageModel : modelChannel.defaultImageModel || modelChannel.defaultModel,
+    textModel: modelChannel.availableModels.includes(config.textModel) ? config.textModel : modelChannel.defaultTextModel || modelChannel.defaultModel,
+    systemPrompt: modelChannel.systemPrompt,
+  } : config;
 
   const finishConfig = () => {
     setConfigDialogOpen(false);
-    if (!config.baseUrl.trim() || !config.imageModel.trim() || !config.textModel.trim() || !config.apiKey.trim()) return;
+    if (effectiveMode === "local" && (!config.baseUrl.trim() || !config.apiKey.trim())) return;
+    if (!modelConfig.imageModel.trim() || !modelConfig.textModel.trim()) return;
+    if (!allowCustomChannel && config.channelMode !== "remote") onConfigChange("channelMode", "remote");
     if (shouldPromptContinue) {
       message.success("配置已保存，请继续刚才的请求");
     } else {
@@ -52,6 +64,7 @@ export function AppTopNav({ activeToolSlug, config, onConfigChange, hideHeader =
     clearPromptContinue();
   };
   const refreshModels = async () => {
+    if (effectiveMode === "remote") return;
     if (!config.baseUrl.trim() || !config.apiKey.trim()) {
       message.error("请先填写 Base URL 和 API Key");
       return;
@@ -197,35 +210,60 @@ export function AppTopNav({ activeToolSlug, config, onConfigChange, hideHeader =
       <Modal
         title={<div><div className="text-lg font-semibold">配置</div><div className="mt-1 text-xs font-normal text-stone-500">模型和密钥</div></div>}
         open={isConfigOpen}
-        width={560}
+        width={760}
         centered
         onCancel={() => setConfigDialogOpen(false)}
         footer={<Button type="primary" size="large" onClick={finishConfig}>完成</Button>}
       >
         <div className="pt-1">
           <Form layout="vertical" requiredMark={false} size="large">
-            <Form.Item label="Base URL" className="mb-4">
-              <Input value={config.baseUrl} onChange={(event) => onConfigChange("baseUrl", event.target.value)} />
-            </Form.Item>
-            <Form.Item label="API Key" className="mb-4">
-              <Input.Password value={config.apiKey} onChange={(event) => onConfigChange("apiKey", event.target.value)} />
-            </Form.Item>
-            <div className="mb-4 flex items-center justify-between gap-3 rounded-lg border border-stone-200 p-3 dark:border-stone-800">
-              <div className="min-w-0">
-                <div className="text-sm font-medium">模型列表</div>
-                <div className="mt-1 text-xs text-stone-500">当前已保存 {config.models.length} 个模型</div>
+            {allowCustomChannel ? (
+              <Form.Item label="渠道模式" className="mb-4">
+                <Segmented
+                  block
+                  value={effectiveMode}
+                  onChange={(value) => onConfigChange("channelMode", value as AiConfig["channelMode"])}
+                  options={[{ label: "云端渠道", value: "remote" }, { label: "本地直连", value: "local" }]}
+                />
+              </Form.Item>
+            ) : null}
+            {effectiveMode === "local" ? (
+              <>
+                <div className="grid gap-4 md:grid-cols-2">
+                  <Form.Item label="Base URL" className="mb-4">
+                    <Input value={config.baseUrl} onChange={(event) => onConfigChange("baseUrl", event.target.value)} />
+                  </Form.Item>
+                  <Form.Item label="API Key" className="mb-4">
+                    <Input.Password value={config.apiKey} onChange={(event) => onConfigChange("apiKey", event.target.value)} />
+                  </Form.Item>
+                </div>
+                <div className="mb-4 flex items-center justify-between gap-3 rounded-lg border border-stone-200 px-3 py-2 dark:border-stone-800">
+                  <div className="min-w-0">
+                    <div className="text-sm font-medium">模型列表</div>
+                    <div className="mt-1 text-xs text-stone-500">当前已保存 {config.models.length} 个模型</div>
+                  </div>
+                  <Button loading={loadingModels} onClick={() => void refreshModels()}>拉取模型列表</Button>
+                </div>
+              </>
+            ) : (
+              <div className="mb-4 rounded-lg border border-stone-200 p-3 text-sm text-stone-500 dark:border-stone-800">
+                <div className="font-medium text-stone-900 dark:text-stone-100">云端渠道</div>
+                <div className="mt-1">由系统后台渠道转发请求，当前可用 {modelChannel?.availableModels.length || 0} 个模型。</div>
               </div>
-              <Button loading={loadingModels} onClick={() => void refreshModels()}>拉取模型列表</Button>
+            )}
+            <div className="grid gap-4 md:grid-cols-2">
+              <Form.Item label="默认生图模型" className="mb-4">
+                <ModelPicker config={modelConfig} value={modelConfig.imageModel} onChange={(model) => onConfigChange("imageModel", model)} fullWidth />
+              </Form.Item>
+              <Form.Item label="默认文本模型" className="mb-4">
+                <ModelPicker config={modelConfig} value={modelConfig.textModel} onChange={(model) => onConfigChange("textModel", model)} fullWidth />
+              </Form.Item>
             </div>
-            <Form.Item label="默认生图模型" className="mb-4">
-              <ModelPicker config={config} value={config.imageModel} onChange={(model) => onConfigChange("imageModel", model)} fullWidth />
-            </Form.Item>
-            <Form.Item label="默认文本模型" className="mb-0">
-              <ModelPicker config={config} value={config.textModel} onChange={(model) => onConfigChange("textModel", model)} fullWidth />
-            </Form.Item>
-            <Form.Item label="系统提示词" className="mb-0">
-              <Input.TextArea rows={4} value={config.systemPrompt} placeholder="例如：你是一位擅长电影感写实摄影的视觉导演。" onChange={(event) => onConfigChange("systemPrompt", event.target.value)} />
-            </Form.Item>
+            {effectiveMode === "local" ? (
+              <Form.Item label="系统提示词" className="mb-0">
+                <Input.TextArea rows={3} value={config.systemPrompt} placeholder="例如：你是一位擅长电影感写实摄影的视觉导演。" onChange={(event) => onConfigChange("systemPrompt", event.target.value)} />
+              </Form.Item>
+            ) : null}
           </Form>
         </div>
       </Modal>

web/src/components/client-root-init.tsx

@@ -0,0 +1,25 @@
+"use client";
+
+import type { ReactNode } from "react";
+import { useEffect } from "react";
+import { usePathname } from "next/navigation";
+
+import { useConfigStore } from "@/stores/use-config-store";
+import { useUserStore } from "@/stores/use-user-store";
+
+export function ClientRootInit({ children }: { children: ReactNode }) {
+  const pathname = usePathname();
+  const hydrateUser = useUserStore((state) => state.hydrateUser);
+  const loadPublicSettings = useConfigStore((state) => state.loadPublicSettings);
+  const isLoginPage = pathname === "/login" || pathname === "/admin/login";
+
+  useEffect(() => {
+    void loadPublicSettings();
+  }, [loadPublicSettings]);
+
+  useEffect(() => {
+    if (!isLoginPage) void hydrateUser();
+  }, [hydrateUser, isLoginPage]);
+
+  return <>{children}</>;
+}

web/src/components/model-picker.tsx

@@ -2,7 +2,7 @@
 
 import { Select } from "antd";
 
-import type { AiConfig } from "@/lib/ai-config";
+import type { AiConfig } from "@/stores/use-config-store";
 
 type ModelPickerProps = {
   config: AiConfig;