feat(quota): list Gemini Argon in the Antigravity Gemini quota group

src/features/quota/providers/antigravity/AntigravityQuotaBody.tsx

@@ -10,7 +10,11 @@ import { QuotaMeter } from '../../components/QuotaMeter';
 import { collectQuotaRowInstants, pickUrgentRowId } from '../../resetSchedule';
 import type { QuotaBodyProps } from '../../types';
 import { getNextAntigravityCountdownUpdateDelay } from './countdown';
-import { resolveAntigravityBucketLabelKey, resolveAntigravityGroupLabelKey } from './labels';
+import {
+  resolveAntigravityBucketLabelKey,
+  resolveAntigravityGroupLabelKey,
+  resolveAntigravityGroupModels,
+} from './labels';
 
 const formatAntigravityDuration = (t: TFunction, deltaMs: number): string => {
   const totalMinutes = Math.max(1, Math.ceil(deltaMs / 60000));
@@ -151,7 +155,12 @@ export function AntigravityQuotaBody({ quota, classes }: QuotaBodyProps<Antigrav
             resolveAntigravityGroupLabelKey(group.label),
             t
           );
-          const groupDescription = translateAntigravityQuotaDescription(group.description, t);
+          const groupModels = resolveAntigravityGroupModels(group.label, group.description);
+          const groupDescription = groupModels
+            ? t('antigravity_quota.group_models_description', {
+                models: groupModels.join(', '),
+              })
+            : translateAntigravityQuotaDescription(group.description, t);
 
           return (
             <div key={group.id} className={classes.antigravityQuotaGroup}>

src/features/quota/providers/antigravity/labels.ts

@@ -32,6 +32,15 @@ const BUCKET_WINDOW_KEYS = new Map<string, string>([
   ['month', 'monthly_limit'],
 ]);
 
+/**
+ * 上游分组描述未列出、但实际共享该分组额度的模型，追加到「此分组包含」列表末尾。
+ */
+const GROUP_EXTRA_MODELS = new Map<string, readonly string[]>([
+  ['group_gemini_models', ['Gemini Argon']],
+]);
+
+const GROUP_MODELS_PATTERN = /^models within this group:\s*(.+)$/i;
+
 const normalizeText = (value: string): string => value.trim().toLowerCase().replace(/\s+/g, ' ');
 
 /** 去掉上游常见的 "Remaining" 后缀，如 "Weekly Limit Remaining" → "weekly limit"。 */
@@ -42,6 +51,32 @@ export function resolveAntigravityGroupLabelKey(label: string): string | null {
   return GROUP_LABEL_KEYS.get(normalizeText(label)) ?? null;
 }
 
+/**
+ * 解析分组描述中的模型列表，并追加该分组的补充模型（大小写不敏感去重）。
+ * 描述不是「Models within this group: ...」格式时返回 null，由调用方显示原文。
+ */
+export function resolveAntigravityGroupModels(
+  label: string,
+  description: string | undefined
+): string[] | null {
+  const match = description?.trim().match(GROUP_MODELS_PATTERN);
+  if (!match) return null;
+
+  const models = match[1]
+    .split(',')
+    .map((model) => model.trim())
+    .filter(Boolean);
+  const groupKey = resolveAntigravityGroupLabelKey(label);
+  const extras = groupKey ? (GROUP_EXTRA_MODELS.get(groupKey) ?? []) : [];
+  const seen = new Set(models.map(normalizeText));
+  extras.forEach((model) => {
+    if (seen.has(normalizeText(model))) return;
+    seen.add(normalizeText(model));
+    models.push(model);
+  });
+  return models;
+}
+
 export function resolveAntigravityBucketLabelKey(
   label: string,
   window: string | undefined

tests/antigravityQuotaLabels.test.ts

@@ -2,6 +2,7 @@ import { describe, expect, test } from 'bun:test';
 import {
   resolveAntigravityBucketLabelKey,
   resolveAntigravityGroupLabelKey,
+  resolveAntigravityGroupModels,
 } from '@/features/quota/providers/antigravity/labels';
 import { buildAntigravityQuotaGroups } from '@/utils/quota/builders';
 
@@ -14,6 +15,32 @@ describe('Antigravity quota label keys', () => {
     expect(resolveAntigravityGroupLabelKey('Image Models')).toBeNull();
   });
 
+  test('appends Gemini Argon to the Gemini group model list', () => {
+    expect(
+      resolveAntigravityGroupModels(
+        'Gemini Models',
+        'Models within this group: Gemini Flash, Gemini Pro'
+      )
+    ).toEqual(['Gemini Flash', 'Gemini Pro', 'Gemini Argon']);
+    expect(
+      resolveAntigravityGroupModels(
+        'Gemini Models',
+        'Models within this group: Gemini Flash, gemini argon'
+      )
+    ).toEqual(['Gemini Flash', 'gemini argon']);
+  });
+
+  test('leaves other groups and non-list descriptions untouched', () => {
+    expect(
+      resolveAntigravityGroupModels(
+        'Claude and GPT models',
+        'Models within this group: Claude Opus, Claude Sonnet, GPT-OSS'
+      )
+    ).toEqual(['Claude Opus', 'Claude Sonnet', 'GPT-OSS']);
+    expect(resolveAntigravityGroupModels('Gemini Models', 'Shared Gemini quota')).toBeNull();
+    expect(resolveAntigravityGroupModels('Gemini Models', undefined)).toBeNull();
+  });
+
   test('ignores the upstream "Remaining" suffix on bucket names', () => {
     expect(resolveAntigravityBucketLabelKey('Five Hour Limit Remaining', '5h')).toBe(
       'five_hour_limit'