phase-1: optimize code

tests/ScoringConfig.test.js

@@ -0,0 +1,41 @@
+import { test } from 'node:test';
+import assert from 'node:assert/strict';
+import { CREDIT_RATING_SCALE, ScoringRules } from '../src/config/ScoringConfig.js';
+
+test('CREDIT_RATING_SCALE covers full spectrum', () => {
+  assert.equal(CREDIT_RATING_SCALE.AAA, 10);
+  assert.equal(CREDIT_RATING_SCALE.BBB, 7);
+  assert.equal(CREDIT_RATING_SCALE.BB, 6);
+  assert.equal(CREDIT_RATING_SCALE.D, 1);
+});
+
+test('STOCK base gates are fundamental (Graham-style)', () => {
+  const { gates } = ScoringRules.STOCK;
+  assert.equal(gates.maxPERatio, 15); // Graham's actual rule: 15x trailing earnings
+  assert.equal(gates.maxPegGate, 1.0); // Lynch standard: PEG > 1.0 is paying full price
+  assert.equal(gates.minQuickRatio, 0.8); // below 0.8 signals liquidity stress
+});
+
+test('REIT sector override zeroes out irrelevant weights', () => {
+  const reit = ScoringRules.STOCK.SECTOR_OVERRIDE.REIT;
+  assert.equal(reit.weights.margin, 0);
+  assert.equal(reit.weights.peg, 0);
+  assert.equal(reit.weights.revenue, 0);
+  assert.equal(reit.weights.yield, 5);
+});
+
+test('REIT gates disable P/E and PEG', () => {
+  const reit = ScoringRules.STOCK.SECTOR_OVERRIDE.REIT;
+  assert.equal(reit.gates.maxPERatio, 9999);
+  assert.equal(reit.gates.maxPegGate, 9999);
+});
+
+test('TECHNOLOGY gates are realistic for mega-cap', () => {
+  const tech = ScoringRules.STOCK.SECTOR_OVERRIDE.TECHNOLOGY;
+  assert.equal(tech.gates.maxDebtToEquity, 2.0);
+  assert.equal(tech.gates.minQuickRatio, 0.8);
+});
+
+test('BOND requires investment-grade floor (BBB = 7)', () => {
+  assert.equal(ScoringRules.BOND.gates.minCreditRating, 7);
+});