Run playwright UI tests

lib/server/taxonomy/metrics.test.ts

@@ -0,0 +1,55 @@
+import { describe, expect, it } from 'bun:test';
+import type { TaxonomyFact } from '@/lib/server/taxonomy/types';
+import { deriveTaxonomyMetrics } from '@/lib/server/taxonomy/metrics';
+
+function fact(localName: string, value: number, overrides?: Partial<TaxonomyFact>): TaxonomyFact {
+  return {
+    conceptKey: `http://fasb.org/us-gaap/2024#${localName}`,
+    qname: `us-gaap:${localName}`,
+    namespaceUri: 'http://fasb.org/us-gaap/2024',
+    localName,
+    contextId: 'c1',
+    unit: 'iso4217:USD',
+    decimals: '-6',
+    value,
+    periodStart: '2025-01-01',
+    periodEnd: '2025-12-31',
+    periodInstant: null,
+    dimensions: [],
+    isDimensionless: true,
+    sourceFile: 'abc_htm.xml',
+    ...overrides
+  };
+}
+
+describe('taxonomy metric derivation', () => {
+  it('applies concept priority for canonical metrics and debt component fallback', () => {
+    const metrics = deriveTaxonomyMetrics([
+      fact('SalesRevenueNet', 500),
+      fact('Revenues', 450),
+      fact('NetIncomeLoss', 40),
+      fact('Assets', 1000),
+      fact('CashAndCashEquivalentsAtCarryingValue', 80),
+      fact('DebtCurrent', 15),
+      fact('LongTermDebtNoncurrent', 35)
+    ]);
+
+    expect(metrics).toEqual({
+      revenue: 450,
+      netIncome: 40,
+      totalAssets: 1000,
+      cash: 80,
+      debt: 50
+    });
+  });
+
+  it('uses direct debt concept before computed debt fallback when available', () => {
+    const metrics = deriveTaxonomyMetrics([
+      fact('DebtCurrent', 15),
+      fact('LongTermDebtNoncurrent', 35),
+      fact('LongTermDebtAndCapitalLeaseObligations', 90)
+    ]);
+
+    expect(metrics.debt).toBe(90);
+  });
+});