feat: add fundamentals parity reporting

frontend/src/api/admin.ts

@@ -233,6 +233,40 @@ export interface TriggerJobResponse {
   cadence?: BacktestCadence;
 }
 
+export interface ParityFieldStats {
+  legacy_available: number;
+  candidate_available: number;
+  both_available: number;
+  material_differences: number;
+  median_absolute_delta: number | null;
+  p95_absolute_delta: number | null;
+  max_absolute_delta: number | null;
+}
+
+export interface FundamentalsParityReport {
+  report_version: number;
+  generated_at: string;
+  as_of_date: string;
+  approval_status: string;
+  read_only: boolean;
+  summary: {
+    universe_count: number;
+    legacy_fundamental_score_available: number;
+    candidate_fundamental_score_available: number;
+    fundamental_scores_compared: number;
+    fundamental_score_material_changes: number;
+    fundamental_rank_changes: number;
+    field_stats: Record<string, ParityFieldStats>;
+  };
+  source_runs: Record<string, {
+    run_id: number;
+    status: string;
+    revision: string | null;
+    source_max_date: string | null;
+    completed_at: string | null;
+  } | null>;
+}
+
 export type BacktestTargetModel = 'production_gtl' | 'structural_sr';
 export type BacktestCadence = 'weekly' | 'daily';
 
@@ -259,6 +293,24 @@ export function triggerJob(
     .then((r) => r.data);
 }
 
+export function getFundamentalsParityReport() {
+  return apiClient
+    .get<FundamentalsParityReport | null>('admin/fundamentals-parity')
+    .then((r) => r.data);
+}
+
+export function getFundamentalsParityCsv() {
+  return apiClient
+    .get<{ filename: string; content: string } | null>('admin/fundamentals-parity/csv')
+    .then((r) => r.data);
+}
+
+export function getFundamentalsParityJson() {
+  return apiClient
+    .get<{ filename: string; content: string } | null>('admin/fundamentals-parity/json')
+    .then((r) => r.data);
+}
+
 // System events (operational warnings / errors)
 export interface SystemEvent {
   id: number;