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/queue-microtask/index.js

@@ -0,0 +1,9 @@
+/*! queue-microtask. MIT License. Feross Aboukhadijeh <https://feross.org/opensource> */
+let promise
+
+module.exports = typeof queueMicrotask === 'function'
+  ? queueMicrotask.bind(typeof window !== 'undefined' ? window : global)
+  // reuse resolved promise, and allocate it lazily
+  : cb => (promise || (promise = Promise.resolve()))
+    .then(cb)
+    .catch(err => setTimeout(() => { throw err }, 0))