fix: address budget simulation review feedback

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: asizikov

src/App.tsx

@@ -293,7 +293,7 @@ function App() {
       && parsedProductCopilotBudget === undefined
     ) {
       setBudgetSimulation(null)
-      setBudgetSimulationError('Enter a user-level, enterprise-level, or product-level budget in USD before running the simulation.')
+      setBudgetSimulationError('Enter a user-level, account-level, or product-level budget in USD before running the simulation.')
       return
     }
 

src/pipeline/aicEntitlements.ts

@@ -319,7 +319,7 @@ export async function createAicEntitlementAllocator(
   return new PooledAicEntitlementAllocator(entitlementContext.organizationEntitlementPool)
 }
 
-function getIsoWeekStart(value: string): string | null {
+export function getIsoWeekStart(value: string): string | null {
   const match = /^(\d{4})-(\d{2})-(\d{2})$/.exec(value)
   if (!match) return null
 

src/pipeline/productClassification.ts

@@ -2,7 +2,7 @@ import type { TokenUsageRecord } from './parser'
 
 export const NON_COPILOT_CODE_REVIEW_PRODUCT = 'Code Review for Non-Copilot Users' as const
 export const NON_COPILOT_CODE_REVIEW_USER_LABEL = 'Non-Copilot Users' as const
-export const PRODUCT_BUDGET_COPILOT_CODE_REVIEW = 'Copilot Code Review' as const
+export const PRODUCT_BUDGET_COPILOT_CODE_REVIEW = 'Code Review' as const
 export const PRODUCT_BUDGET_SPARK = 'Spark' as const
 export const PRODUCT_BUDGET_COPILOT = 'Copilot' as const
 

src/utils/enterpriseBudgetSimulation.test.ts

@@ -165,6 +165,31 @@ describe('simulateBudgetFromRecords', () => {
     })
   })
 
+  it('handles individual-scope weekly entitlements and per-user budgets independently', () => {
+    const result = simulateBudgetFromRecords([
+      createRecord({ date: '2026-06-01', username: 'mona', quantity: 40, aic_quantity: 40, aic_gross_amount: 4 }),
+      createRecord({ date: '2026-06-02', username: 'mona', quantity: 40, aic_quantity: 40, aic_gross_amount: 4 }),
+      createRecord({ date: '2026-06-08', username: 'mona', quantity: 40, aic_quantity: 40, aic_gross_amount: 4 }),
+      createRecord({ date: '2026-06-08', username: 'octocat', quantity: 20, aic_quantity: 20, aic_gross_amount: 2 }),
+    ], { userBudgetUsd: 5 }, {
+      reportPlanScope: 'individual',
+      organizationEntitlementPool: 0,
+      individualWeeklyEntitlements: 50,
+    })
+
+    expect(result).toEqual({
+      totalBill: 0,
+      blockedUsers: 1,
+      blockedRequests: 70,
+      blockedEntitlementsAic: 80,
+      budgetExhausted: false,
+      firstUserBlockedDate: '2026-06-02',
+      enterpriseBlockedDate: null,
+      productBlockedDates: {},
+      adjustedDailyNetCostByDate: [],
+    })
+  })
+
   it('does not count entitlements that later get consumed by other usage', () => {
     const result = simulateBudgetFromRecords([
       createRecord({ username: 'mona', quantity: 50, aic_quantity: 50, aic_gross_amount: 5 }),