feat(frontend): show subscription plans on dashboard

frontend/src/lib/models.test.ts

@@ -0,0 +1,119 @@
+import { describe, expect, it } from 'vitest'
+import {
+  formatPrice,
+  formatSubscriptionQuota,
+  normalizeModel,
+  normalizeSubscriptionPlan,
+  providerDistribution,
+  summarizeModels,
+  summarizeSubscriptionPlans,
+} from './models'
+
+describe('models helpers', () => {
+  it('normalizes fallback pricing and stale flags', () => {
+    const model = normalizeModel({
+      id: 'anthropic/claude-sonnet-4.6',
+      provider_cn: 'Anthropic',
+      context_length: 200000,
+      input_price: '3',
+      output_price: '15',
+      data_confidence: 'stale',
+    })
+
+    expect(model).not.toBeNull()
+    expect(model?.providerCN).toBe('Anthropic')
+    expect(model?.inputPrice).toBe(3)
+    expect(model?.outputPrice).toBe(15)
+    expect(model?.stale).toBe(true)
+    expect(model?.pricingAvailable).toBe(true)
+  })
+
+  it('marks free models and pricing unavailable correctly', () => {
+    const freeModel = normalizeModel({
+      id: 'qwen/qwen3-coder:free',
+    })
+    const paidModel = normalizeModel({
+      id: 'openai/gpt-4.1',
+      pricing: {},
+    })
+
+    expect(formatPrice(freeModel!, 'input')).toContain('免费')
+    expect(formatPrice(paidModel!, 'input')).toBe('pricing unavailable')
+  })
+
+  it('summarizes providers and currencies', () => {
+    const models = [
+      normalizeModel({ id: 'deepseek/deepseek-chat', provider_cn: 'DeepSeek', currency: 'CNY', pricing: { input: 1, output: 2 } }),
+      normalizeModel({ id: 'deepseek/deepseek-reasoner', provider_cn: 'DeepSeek', currency: 'CNY', pricing: { input: 2, output: 4 } }),
+      normalizeModel({ id: 'anthropic/claude-sonnet-4.6', provider_cn: 'Anthropic', currency: 'USD', pricing: { input: 3, output: 15 } }),
+    ].filter((model): model is NonNullable<typeof model> => model !== null)
+
+    expect(summarizeModels(models)).toEqual({
+      modelCount: 3,
+      providerCount: 2,
+      cnyCount: 2,
+    })
+    expect(providerDistribution(models)).toEqual([
+      { name: 'DeepSeek', value: 2 },
+      { name: 'Anthropic', value: 1 },
+    ])
+  })
+
+  it('normalizes subscription plans from API payload', () => {
+    const plan = normalizeSubscriptionPlan({
+      planCode: 'token-plan-lite',
+      planName: '通用 Token Plan Lite',
+      planFamily: 'token_plan',
+      tier: 'Lite',
+      provider: 'Tencent',
+      providerCN: '腾讯',
+      operator: 'Tencent Cloud',
+      operatorCN: '腾讯云',
+      currency: 'CNY',
+      listPrice: 39,
+      priceUnit: 'CNY/month',
+      quotaValue: 35000000,
+      quotaUnit: 'tokens/month',
+      contextWindow: 0,
+      modelScope: ['tc-code-latest', 'glm-5', 'glm-5.1'],
+    })
+
+    expect(plan).not.toBeNull()
+    expect(plan?.planCode).toBe('token-plan-lite')
+    expect(plan?.providerCN).toBe('腾讯')
+    expect(plan?.modelScope.length).toBe(3)
+    expect(plan?.modelPreview).toBe('tc-code-latest, glm-5, glm-5.1')
+  })
+
+  it('formats subscription quotas and summarizes plan stats', () => {
+    const plans = [
+      normalizeSubscriptionPlan({
+        planCode: 'token-plan-lite',
+        planName: '通用 Token Plan Lite',
+        providerCN: '腾讯',
+        listPrice: 39,
+        quotaValue: 35000000,
+        quotaUnit: 'tokens/month',
+        modelScope: ['tc-code-latest', 'glm-5', 'glm-5.1'],
+      }),
+      normalizeSubscriptionPlan({
+        planCode: 'hy-token-plan-max',
+        planName: 'Hy Token Plan Max',
+        providerCN: '腾讯',
+        listPrice: 468,
+        quotaValue: 650000000,
+        quotaUnit: 'tokens/month',
+        contextWindow: 262144,
+        modelScope: ['hy3-preview'],
+      }),
+    ].filter((plan): plan is NonNullable<typeof plan> => plan !== null)
+
+    expect(formatSubscriptionQuota(plans[0].quotaValue, plans[0].quotaUnit)).toBe('3500万 Tokens/月')
+    expect(formatSubscriptionQuota(plans[1].quotaValue, plans[1].quotaUnit)).toBe('6.5亿 Tokens/月')
+    expect(summarizeSubscriptionPlans(plans)).toEqual({
+      planCount: 2,
+      providerCount: 1,
+      minMonthlyPrice: 39,
+    })
+  })
+})