phase-2: extract shared utils

2026-06-04 11:06:30 -04:00
parent d87f0b8427
commit dc7ee22135
49 changed files with 299 additions and 120 deletions
@@ -0,0 +1,33 @@
+import { ScoringRules } from '../config/ScoringConfig.js';
+import { MarketRegime } from '../market/MarketRegime.js';
+import { SCORE_MODE } from '../config/constants.js';
+
+export const RuleMerger = {
+  getRulesForAsset(type, metrics, marketContext = {}, mode = SCORE_MODE.FUNDAMENTAL) {
+    const base = ScoringRules[type];
+    if (!base) throw new Error(`No rules configured for asset type: ${type}`);
+
+    let rules = JSON.parse(JSON.stringify(base));
+
+    if (type === 'STOCK' && metrics.sector) {
+      const override = base.SECTOR_OVERRIDE?.[metrics.sector.toUpperCase()];
+      if (override) {
+        rules.gates = { ...rules.gates, ...override.gates };
+        rules.weights = { ...rules.weights, ...override.weights };
+        rules.thresholds = { ...rules.thresholds, ...override.thresholds };
+      }
+    }
+    delete rules.SECTOR_OVERRIDE;
+
+    if (mode === SCORE_MODE.INFLATED) {
+      const { gates, thresholds } = new MarketRegime(marketContext).getInflatedOverrides(
+        type,
+        metrics.sector,
+      );
+      rules.gates = { ...rules.gates, ...gates };
+      rules.thresholds = { ...rules.thresholds, ...thresholds };
+    }
+
+    return rules;
+  },
+};