feat: unified 0 and 90 degree PDF envelope and category descriptors

app/src/lib/__tests__/neighborhood.test.ts

@@ -0,0 +1,19 @@
+import { describe, it, expect } from 'vitest';
+import { computeNeighborhoodFactor } from '../neighborhood';
+
+describe('Efeitos de Vizinhança — sec. 6.4', () => {
+  it('Parede confrontante: a/S = 1 → fᵥ = 1,3', () => {
+    expect(computeNeighborhoodFactor({ ratioAS: 1, location: 'wall' })).toBe(1.3);
+  });
+  it('Parede confrontante: a/S ≥ 3 → fᵥ = 1,0', () => {
+    expect(computeNeighborhoodFactor({ ratioAS: 3, location: 'wall' })).toBe(1.0);
+    expect(computeNeighborhoodFactor({ ratioAS: 5, location: 'wall' })).toBe(1.0);
+  });
+  it('Cobertura: a/S ≤ 0,5 → fᵥ = 1,3', () => {
+    expect(computeNeighborhoodFactor({ ratioAS: 0.5, location: 'roof' })).toBe(1.3);
+    expect(computeNeighborhoodFactor({ ratioAS: 0.3, location: 'roof' })).toBe(1.3);
+  });
+  it('Cobertura: a/S ≥ 1 → fᵥ = 1,0', () => {
+    expect(computeNeighborhoodFactor({ ratioAS: 1, location: 'roof' })).toBe(1.0);
+  });
+});