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/rollup/dist/loadConfigFile.d.ts

@@ -0,0 +1,20 @@
+import type { LogHandler, MergedRollupOptions, RollupLog } from './rollup';
+
+export interface BatchWarnings {
+	add: (warning: RollupLog) => void;
+	readonly count: number;
+	flush: () => void;
+	log: LogHandler;
+	readonly warningOccurred: boolean;
+}
+
+export type LoadConfigFile = typeof loadConfigFile;
+
+export function loadConfigFile(
+	fileName: string,
+	commandOptions: any,
+	watchMode?: boolean
+): Promise<{
+	options: MergedRollupOptions[];
+	warnings: BatchWarnings;
+}>;