QCE exports can mix UIN and UID namespaces while exposing only observed senders. Keep owner metadata unset across TypeScript, chunked, and native parser paths unless it can be mapped safely.
Thread ownerId and member aliases through the TS and native parsers. Persist aliases across full and incremental imports so exported ChatLab JSON retains user identity metadata.
Add @openchatlab/parser-native (napi-rs v3) with a shared byte-level JSON
scanner and two format kernels. Parsing large exports is 4-10x faster in
real-data benchmarks. The native module is an optional local build; the
pure-TS parsers remain as automatic fallback when it is unavailable,
disabled via CHATLAB_DISABLE_NATIVE_PERF=1, or rejects off-spec files.
The ChatLab kernel also parses the members array structurally, fixing the
TS head-regex heuristic that silently dropped avatars/roles for files with
nested arrays or long member lists.
Co-authored-by: Cursor <cursoragent@cursor.com>
digua
