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/tailwind-merge/src/lib/from-theme.ts

@@ -0,0 +1,13 @@
+import { DefaultThemeGroupIds, NoInfer, ThemeGetter, ThemeObject } from './types'
+
+export const fromTheme = <
+    AdditionalThemeGroupIds extends string = never,
+    DefaultThemeGroupIdsInner extends string = DefaultThemeGroupIds,
+>(key: NoInfer<DefaultThemeGroupIdsInner | AdditionalThemeGroupIds>): ThemeGetter => {
+    const themeGetter = (theme: ThemeObject<DefaultThemeGroupIdsInner | AdditionalThemeGroupIds>) =>
+        theme[key] || []
+
+    themeGetter.isThemeGetter = true as const
+
+    return themeGetter
+}