Hah, always worth going again at least once with bug audits โ another 9 were found.
1. **Negentropy DoS (HIGH)** โ RelayNegentropy.cpp:208,250 โ `filters.at(0)` throws `out_of_range` if a client sends a filter with all-empty arrays (e.g. `{"ids":[]}`) which causes `NostrFilterGroup` to pop th...