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/@nodelib/fs.stat/out/settings.d.ts

@@ -0,0 +1,16 @@
+import * as fs from './adapters/fs';
+export interface Options {
+    followSymbolicLink?: boolean;
+    fs?: Partial<fs.FileSystemAdapter>;
+    markSymbolicLink?: boolean;
+    throwErrorOnBrokenSymbolicLink?: boolean;
+}
+export default class Settings {
+    private readonly _options;
+    readonly followSymbolicLink: boolean;
+    readonly fs: fs.FileSystemAdapter;
+    readonly markSymbolicLink: boolean;
+    readonly throwErrorOnBrokenSymbolicLink: boolean;
+    constructor(_options?: Options);
+    private _getValue;
+}