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/asynckit/lib/readable_serial.js

@@ -0,0 +1,25 @@
+var serial = require('../serial.js');
+
+// API
+module.exports = ReadableSerial;
+
+/**
+ * Streaming wrapper to `asynckit.serial`
+ *
+ * @param   {array|object} list - array or object (named list) to iterate over
+ * @param   {function} iterator - iterator to run
+ * @param   {function} callback - invoked when all elements processed
+ * @returns {stream.Readable#}
+ */
+function ReadableSerial(list, iterator, callback)
+{
+  if (!(this instanceof ReadableSerial))
+  {
+    return new ReadableSerial(list, iterator, callback);
+  }
+
+  // turn on object mode
+  ReadableSerial.super_.call(this, {objectMode: true});
+
+  this._start(serial, list, iterator, callback);
+}