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/@babel/traverse/lib/hub.js

@@ -0,0 +1,19 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+class Hub {
+  getCode() {}
+  getScope() {}
+  addHelper() {
+    throw new Error("Helpers are not supported by the default hub.");
+  }
+  buildError(node, msg, Error = TypeError) {
+    return new Error(msg);
+  }
+}
+exports.default = Hub;
+
+//# sourceMappingURL=hub.js.map