feat: hide GitHub Copilot provider preset and auth tab

Users reported that Copilot support causes excessively fast token
consumption. Temporarily hide the feature by adding a `hidden` field
to ProviderPreset interface and commenting out the auth center tab
in settings. Existing Copilot providers in DB still work via proxy.

src/components/providers/forms/ProviderForm.tsx

@@ -429,10 +429,12 @@ export function ProviderForm({
         preset,
       }));
     }
-    return providerPresets.map<PresetEntry>((preset, index) => ({
-      id: `claude-${index}`,
-      preset,
-    }));
+    return providerPresets
+      .filter((p) => !p.hidden)
+      .map<PresetEntry>((preset, index) => ({
+        id: `claude-${index}`,
+        preset,
+      }));
   }, [appId]);
 
   const {

src/components/settings/SettingsPage.tsx

@@ -9,7 +9,6 @@ import {
   ScrollText,
   HardDriveDownload,
   FlaskConical,
-  KeyRound,
 } from "lucide-react";
 import { toast } from "sonner";
 import {
@@ -43,7 +42,6 @@ import { ProxyTabContent } from "@/components/settings/ProxyTabContent";
 import { ModelTestConfigPanel } from "@/components/usage/ModelTestConfigPanel";
 import { UsageDashboard } from "@/components/usage/UsageDashboard";
 import { LogConfigPanel } from "@/components/settings/LogConfigPanel";
-import { AuthCenterPanel } from "@/components/settings/AuthCenterPanel";
 import { useSettings } from "@/hooks/useSettings";
 import { useImportExport } from "@/hooks/useImportExport";
 import { useTranslation } from "react-i18next";
@@ -191,14 +189,16 @@ export function SettingsPage({
           onValueChange={setActiveTab}
           className="flex flex-col h-full"
         >
-          <TabsList className="grid w-full grid-cols-6 mb-6 glass rounded-lg">
+          <TabsList className="grid w-full grid-cols-5 mb-6 glass rounded-lg">
             <TabsTrigger value="general">
               {t("settings.tabGeneral")}
             </TabsTrigger>
             <TabsTrigger value="proxy">{t("settings.tabProxy")}</TabsTrigger>
+            {/* HIDDEN: Copilot auth tab temporarily disabled - 用户反馈消耗过快
             <TabsTrigger value="auth">
               {t("settings.tabAuth", { defaultValue: "认证" })}
             </TabsTrigger>
+            */}
             <TabsTrigger value="advanced">
               {t("settings.tabAdvanced")}
             </TabsTrigger>
@@ -254,6 +254,7 @@ export function SettingsPage({
                 ) : null}
               </TabsContent>
 
+              {/* HIDDEN: Copilot auth tab temporarily disabled - 用户反馈消耗过快
               <TabsContent value="auth" className="space-y-6 mt-0 pb-4">
                 <motion.div
                   initial={{ opacity: 0, y: 10 }}
@@ -281,6 +282,7 @@ export function SettingsPage({
                   <AuthCenterPanel />
                 </motion.div>
               </TabsContent>
+              */}
 
               <TabsContent value="advanced" className="space-y-6 mt-0 pb-4">
                 {settings ? (

src/config/claudeProviderPresets.ts

@@ -57,6 +57,9 @@ export interface ProviderPreset {
 
   // 是否需要 OAuth 认证（而非 API Key）
   requiresOAuth?: boolean;
+
+  // 是否在 UI 中隐藏该预设（预设仍存在，仅不在列表中显示）
+  hidden?: boolean;
 }
 
 export const providerPresets: ProviderPreset[] = [
@@ -704,6 +707,7 @@ export const providerPresets: ProviderPreset[] = [
     requiresOAuth: true,
     icon: "github",
     iconColor: "#000000",
+    hidden: true, // 临时隐藏：用户反馈消耗速度过快
   },
   {
     name: "Nvidia",