feat: Resolve test suite regressions and enhance token tamper detection

feat: Add UI router to application for improved routing
style: Update breadcrumb styles in main.css and remove redundant styles from scenarios.css

scripts/init_db.py

@@ -384,6 +384,9 @@ def _get_table_ddls(is_sqlite: bool) -> List[str]:
 
 
 # Seeds
+TABLE_DDLS: List[str] = _get_table_ddls(is_sqlite=False)
+
+
 DEFAULT_ROLES = [
     {"id": 1, "name": "admin", "display_name": "Administrator",
         "description": "Full platform access with user management rights."},