docs(submodules): document surgical artifact cleanup helper; fix gitignore probe

Made-with: Cursor

scripts/maintenance/surgical-clean-submodule-artifacts.sh

@@ -35,7 +35,7 @@ clean_the_order() {
     return 0
   fi
   # Rules are committed in submodule; re-apply only if file missing patterns
-  if ! grep -q 'packages/\*\*/src/\*\*/\*\.js$' "$sub/.gitignore" 2>/dev/null; then
+  if ! grep -q 'packages/\*\*/src/\*\*' "$sub/.gitignore" 2>/dev/null; then
     log "  WARN: the-order/.gitignore missing expected emit rules — merge from main or run prior hygiene commit"
   fi
   local cnt