Build [v1.8.4] (Satisfy frontend relative VERSION.json path)

USER_GUIDE.md

@@ -146,5 +146,5 @@ For detailed technical documentation, see the [Project Architecture](../PROJECT_
 
 ---
 
-**Version:** v1.8.3
+**Version:** v1.8.4
 **Last Updated:** 2026-04-13

VERSION.json

@@ -1,5 +1,5 @@
 {
-  "version": "1.8.3",
-  "last_build": "2026-04-13-1941",
+  "version": "1.8.4",
+  "last_build": "2026-04-13-1945",
   "codename": "ConfigSync"
 }

export_prod.sh

@@ -31,6 +31,7 @@ cp USER_GUIDE.md "$PROD_DIR/"
 cp README.md "$PROD_DIR/INSTALLATION_GUIDE.md"
 cp .git_path "$PROD_DIR/" 2>/dev/null || true
 cp VERSION.json "$PROD_DIR/"
+cp VERSION.json "$PROD_DIR/frontend/"
 
 # Setup persistent volume skeleton
 mkdir -p "$PROD_DIR/data"