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/tailwindcss/src/cli-peer-dependencies.js

@@ -0,0 +1,15 @@
+export function lazyPostcss() {
+  return require('postcss')
+}
+
+export function lazyPostcssImport() {
+  return require('postcss-import')
+}
+
+export function lazyAutoprefixer() {
+  return require('autoprefixer')
+}
+
+export function lazyCssnano() {
+  return require('cssnano')
+}