feat(ui): show AIStudio models for virtual auth files and adjust Gemini OAuth spacing

src/pages/AuthFilesPage.tsx

@@ -719,6 +719,8 @@ export function AuthFilesPage() {
   const renderFileCard = (item: AuthFileItem) => {
     const fileStats = resolveAuthFileStats(item, keyStats);
     const isRuntimeOnly = isRuntimeOnlyAuthFile(item);
+    const isAistudio = (item.type || '').toLowerCase() === 'aistudio';
+    const showModelsButton = !isRuntimeOnly || isAistudio;
     const typeColor = getTypeColor(item.type || 'unknown');
 
     return (
@@ -755,10 +757,7 @@ export function AuthFilesPage() {
         {renderStatusBar(item)}
 
         <div className={styles.cardActions}>
-          {isRuntimeOnly ? (
-            <div className={styles.virtualBadge}>{t('auth_files.type_virtual') || '虚拟认证文件'}</div>
-          ) : (
-            <>
+          {showModelsButton && (
             <Button
               variant="secondary"
               size="sm"
@@ -769,6 +768,9 @@ export function AuthFilesPage() {
             >
               <IconBot className={styles.actionIcon} size={16} />
             </Button>
+          )}
+          {!isRuntimeOnly && (
+            <>
               <Button
                 variant="secondary"
                 size="sm"
@@ -805,6 +807,9 @@ export function AuthFilesPage() {
               </Button>
             </>
           )}
+          {isRuntimeOnly && (
+            <div className={styles.virtualBadge}>{t('auth_files.type_virtual') || '虚拟认证文件'}</div>
+          )}
         </div>
       </div>
     );

src/pages/OAuthPage.module.scss

@@ -115,6 +115,13 @@
   margin-top: $spacing-sm;
 }
 
+.geminiProjectField {
+  :global(.form-group) {
+    margin-top: $spacing-sm;
+    gap: $spacing-sm;
+  }
+}
+
 .filePicker {
   display: flex;
   align-items: center;

src/pages/OAuthPage.tsx

@@ -327,6 +327,7 @@ export function OAuthPage() {
               >
                 <div className="hint">{t(provider.hintKey)}</div>
                 {provider.id === 'gemini-cli' && (
+                  <div className={styles.geminiProjectField}>
                     <Input
                       label={t('auth_login.gemini_cli_project_id_label')}
                       hint={t('auth_login.gemini_cli_project_id_hint')}
@@ -340,6 +341,7 @@ export function OAuthPage() {
                       }
                       placeholder={t('auth_login.gemini_cli_project_id_placeholder')}
                     />
+                  </div>
                 )}
                 {state.url && (
                   <div className={`connection-box ${styles.authUrlBox}`}>