feat: robust metric extraction with confidence score and proof snippets

- fixed Year-Prefix Bug in MetricParser
- added metric_confidence and metric_proof_text to database
- added Entity-Check and Annual-Priority to LLM prompt
- improved UI: added confidence traffic light and mouse-over proof tooltip
- restored missing API endpoints (create, bulk, wiki-override)

company-explorer/frontend/node_modules/es-object-atoms/ToObject.d.ts

@@ -0,0 +1,7 @@
+declare function ToObject<T extends object>(value: number): Number;
+declare function ToObject<T extends object>(value: boolean): Boolean;
+declare function ToObject<T extends object>(value: string): String;
+declare function ToObject<T extends object>(value: bigint): BigInt;
+declare function ToObject<T extends object>(value: T): T;
+
+export = ToObject;