feat: update default year from 2025 to 2026

app/src/constants.ts

@@ -1,6 +1,6 @@
 export const FOREVER = '2100-12-31';
 export const BASE_URL = 'https://api.policyengine.org';
-export const CURRENT_YEAR = '2025';
+export const CURRENT_YEAR = '2026';
 
 // App URLs for the split website/calculator architecture
 // In dev mode, these are set via VITE_* env vars to localhost URLs
@@ -9,12 +9,6 @@ export const WEBSITE_URL = import.meta.env.VITE_WEBSITE_URL || 'https://policyen
 
 export const CALCULATOR_URL = import.meta.env.VITE_CALCULATOR_URL || 'https://app.policyengine.org';
 
-/**
- * Temporary constant for report time calculations
- * TODO: Replace with dynamic date selection from user input
- */
-export const TEMP_REPORT_TIME = 2025;
-
 /**
  * Get parameter definition date for a given year
  * Used for querying parameter values from metadata at a specific point in time

app/src/pathways/report/components/PolicyParameterSelectorValueSetter.tsx

@@ -7,6 +7,7 @@
 import { useState } from 'react';
 import { useSelector } from 'react-redux';
 import { Button, Container, Divider, Group, Stack, Text } from '@mantine/core';
+import { CURRENT_YEAR } from '@/constants';
 import { getDateRange } from '@/libs/metadataUtils';
 import { ParameterMetadata } from '@/types/metadata/parameterMetadata';
 import { PolicyStateProps } from '@/types/pathwayState';
@@ -33,8 +34,8 @@ export default function PolicyParameterSelectorValueSetter({
   const [intervals, setIntervals] = useState<ValueInterval[]>([]);
 
   // Hoisted date state for all non-multi-year selectors
-  const [startDate, setStartDate] = useState<string>('2025-01-01');
-  const [endDate, setEndDate] = useState<string>('2025-12-31');
+  const [startDate, setStartDate] = useState<string>(`${CURRENT_YEAR}-01-01`);
+  const [endDate, setEndDate] = useState<string>(`${CURRENT_YEAR}-12-31`);
 
   function resetValueSettingState() {
     setIntervals([]);

app/src/pathways/report/components/valueSetters/MultiYearValueSelector.tsx

@@ -1,6 +1,7 @@
 import { useEffect, useMemo, useState } from 'react';
 import { useSelector } from 'react-redux';
 import { Box, Group, SimpleGrid, Stack, Text } from '@mantine/core';
+import { CURRENT_YEAR } from '@/constants';
 import { getTaxYears } from '@/libs/metadataUtils';
 import { RootState } from '@/store';
 import { ValueInterval } from '@/types/subIngredients/valueInterval';
@@ -22,8 +23,9 @@ export function MultiYearValueSelector(props: ValueSetterProps) {
   };
 
   // Generate years from metadata, starting from current year
+  // Uses CURRENT_YEAR constant for consistency with report year defaults
   const generateYears = () => {
-    const currentYear = new Date().getFullYear();
+    const currentYear = parseInt(CURRENT_YEAR, 10);
     const maxYears = MAX_YEARS_BY_COUNTRY[countryId || 'us'] || 10;
 
     // Filter available years from metadata to only include current year onwards

app/src/tests/fixtures/utils/householdQueriesMocks.ts

@@ -37,9 +37,9 @@ export const QUERY_COUNTRIES = {
 // Years
 export const QUERY_YEARS = {
   CURRENT: CURRENT_YEAR,
-  PAST: '2023',
-  FUTURE: '2026',
-  NON_EXISTENT: '2027',
+  PAST: '2024',
+  FUTURE: '2027',
+  NON_EXISTENT: '2028',
 } as const;
 
 // Entity names

app/src/tests/fixtures/utils/householdValidationMocks.ts

@@ -47,9 +47,9 @@ export const VALIDATION_COUNTRIES = {
 // Years
 export const VALIDATION_YEARS = {
   DEFAULT: CURRENT_YEAR,
-  PAST: '2023',
-  FUTURE: '2026',
-  MISSING: '2027',
+  PAST: '2024',
+  FUTURE: '2027',
+  MISSING: '2028',
 } as const;
 
 // Entity names

app/src/tests/fixtures/utils/householdValuesMocks.ts

@@ -155,9 +155,9 @@ export const MOCK_HOUSEHOLD_DATA_MULTI_PERIOD: Household = {
     households: {
       'your household': {
         household_income: {
-          '2023': 48000,
+          '2024': 48000,
           [CURRENT_YEAR]: 50000,
-          '2026': 52000,
+          '2027': 52000,
         },
       },
     },
@@ -169,16 +169,17 @@ export const MOCK_PARAMETER = {
   description: 'Standard deduction',
   values: {
     '2020-01-01': 12000,
-    '2023-01-01': 13850,
+    '2024-01-01': 13850,
     [`${CURRENT_YEAR}-01-01`]: 14600,
-    '2026-01-01': 15000,
+    '2027-01-01': 15000,
   },
 };
 
 export const TEST_TIME_PERIODS = {
-  YEAR_2023: '2023',
-  YEAR_2024: CURRENT_YEAR,
-  YEAR_2025: CURRENT_YEAR,
+  YEAR_2024: '2024',
+  YEAR_2025: '2025',
+  YEAR_2026: '2026',
+  CURRENT: CURRENT_YEAR,
 } as const;
 
 export const TEST_ENTITY_NAMES = {

app/src/tests/unit/pages/Populations.page.test.tsx

@@ -51,7 +51,7 @@ vi.mock('react-router-dom', async () => {
 vi.mock('@/constants', () => ({
   MOCK_USER_ID: 'test-user-123',
   BASE_URL: 'https://api.test.com',
-  CURRENT_YEAR: '2025',
+  CURRENT_YEAR: '2026',
 }));
 
 describe('PopulationsPage', () => {

app/src/tests/unit/utils/householdValues.test.ts

@@ -26,7 +26,7 @@ describe('getValueFromHousehold', () => {
   test('given household variable with specific time period and entity then returns correct value', () => {
     // Given
     const variableName = TEST_VARIABLE_NAMES.HOUSEHOLD_INCOME;
-    const timePeriod = TEST_TIME_PERIODS.YEAR_2024;
+    const timePeriod = TEST_TIME_PERIODS.CURRENT;
     const entityName = TEST_ENTITY_NAMES.YOUR_HOUSEHOLD;
 
     // When
@@ -45,7 +45,7 @@ describe('getValueFromHousehold', () => {
   test('given person variable with specific time period and entity then returns correct value', () => {
     // Given
     const variableName = TEST_VARIABLE_NAMES.AGE;
-    const timePeriod = TEST_TIME_PERIODS.YEAR_2024;
+    const timePeriod = TEST_TIME_PERIODS.CURRENT;
     const entityName = TEST_ENTITY_NAMES.PERSON_1;
 
     // When
@@ -64,7 +64,7 @@ describe('getValueFromHousehold', () => {
   test('given null entity name then aggregates across all entities', () => {
     // Given
     const variableName = TEST_VARIABLE_NAMES.AGE;
-    const timePeriod = TEST_TIME_PERIODS.YEAR_2024;
+    const timePeriod = TEST_TIME_PERIODS.CURRENT;
     const entityName = null;
 
     // When
@@ -121,7 +121,7 @@ describe('getValueFromHousehold', () => {
   test('given nonexistent variable then returns zero', () => {
     // Given
     const variableName = TEST_VARIABLE_NAMES.NONEXISTENT;
-    const timePeriod = TEST_TIME_PERIODS.YEAR_2024;
+    const timePeriod = TEST_TIME_PERIODS.CURRENT;
     const entityName = TEST_ENTITY_NAMES.YOUR_HOUSEHOLD;
 
     // When
@@ -140,7 +140,7 @@ describe('getValueFromHousehold', () => {
   test('given valueFromFirstOnly true then returns value from first entity only', () => {
     // Given
     const variableName = TEST_VARIABLE_NAMES.BENEFITS;
-    const timePeriod = TEST_TIME_PERIODS.YEAR_2024;
+    const timePeriod = TEST_TIME_PERIODS.CURRENT;
     const entityName = null;
     const valueFromFirstOnly = true;
 
@@ -224,8 +224,8 @@ describe('formatVariableValue', () => {
 
 describe('getParameterAtInstant', () => {
   test('given instant matching exact date then returns value at that date', () => {
-    // Given
-    const instant = '2025-01-01';
+    // Given - MOCK_PARAMETER has '2026-01-01': 14600 (CURRENT_YEAR)
+    const instant = '2026-01-01';
 
     // When
     const result = getParameterAtInstant(MOCK_PARAMETER, instant);
@@ -235,8 +235,8 @@ describe('getParameterAtInstant', () => {
   });
 
   test('given instant between dates then returns most recent prior value', () => {
-    // Given
-    const instant = '2025-06-15';
+    // Given - instant is between '2026-01-01' and '2027-01-01'
+    const instant = '2026-06-15';
 
     // When
     const result = getParameterAtInstant(MOCK_PARAMETER, instant);
@@ -257,8 +257,8 @@ describe('getParameterAtInstant', () => {
   });
 
   test('given instant after all dates then returns latest value', () => {
-    // Given
-    const instant = '2026-01-01';
+    // Given - MOCK_PARAMETER has '2027-01-01': 15000 as the latest
+    const instant = '2028-01-01';
 
     // When
     const result = getParameterAtInstant(MOCK_PARAMETER, instant);
@@ -269,7 +269,7 @@ describe('getParameterAtInstant', () => {
 
   test('given null parameter then returns empty array', () => {
     // Given
-    const instant = '2025-01-01';
+    const instant = '2026-01-01';
 
     // When
     const result = getParameterAtInstant(null, instant);