fix: use categorical regime fundamentals

frontend/src/api/regime.ts

@@ -3,6 +3,7 @@ import type {
   RegimeMonitor,
   RegimeConfig,
   RegimeFundamentals,
+  RegimeFundamentalsUpdate,
   EventStudyReport,
   RegimeHistoryPoint,
 } from '../lib/types';
@@ -33,11 +34,7 @@ export function getRegimeFundamentals() {
   return apiClient.get<RegimeFundamentals>('regime/fundamentals').then((r) => r.data);
 }
 
-export function updateRegimeFundamentals(body: {
-  f1_score?: number;
-  f3_score?: number;
-  locked?: boolean;
-}) {
+export function updateRegimeFundamentals(body: RegimeFundamentalsUpdate) {
   return apiClient.put<RegimeFundamentals>('regime/fundamentals', body).then((r) => r.data);
 }