fix(frontend): show raw chat messages and improve roundtable draft saves

.gitignore

@@ -84,5 +84,12 @@ offline-backend-20260512/backend/tests/*
 deploy
 .history
 
+# Repo-root offline dependency pack (local only)
+/dist/
+
+# Frontend offline pack working directories
+frontend-web/.offline-pack-build/
+frontend-web/.offline-extract-test/
+
 # Frontend skills components must be tracked (excluded from the broad skills/ ignore above)
 !frontend-web/src/components/workspace/skills/