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/fastq/example.mjs

@@ -0,0 +1,9 @@
+import { promise as queueAsPromised } from './queue.js'
+
+const queue = queueAsPromised(worker, 1)
+
+console.log('the result is', await queue.push(42))
+
+async function worker (arg) {
+  return 42 * 2
+}