master
feat: SSTable block format + footer
feat: LSM tree with levels, flush, compaction, recovery, block cache
feat: Bloom filter (MurmurHash3 double hashing)
Initial commit: SStorage database implementation
feat: top N keys + scan stream (range/top/all) with pagination
feat: util varint, crc32c, murmur3, compression (snappy)
feat: Database facade + Config + CLI
feat: MemTable (std::map, freeze, drainSorted)
Add tests for Path Traversal protection and validate args
feat: Record class (bytes key/value, seqNo, tombstone)
security: комплексные фиксы по результатам аудита
feat: SSTable writer + reader with atomic writes
refactor: архитектурные улучшения и безопасность
feat: WAL with fsync-per-write + group commit
Refactor: Remove WAL, add StorageManager, fix async write, improve architecture