VLCode Lite v1.183.1

Object Tree stability (deterministic case-json node ids + selection guard), 3-state event badge cycle (default → selected → disabled → default), DB data preview fix (gid-scoped dbId), clean AI-chat stop semantics (terminal SSE events on abort), chat image lightbox + text/code file attachments, backend service invoke tool (VLServiceInvoke) with service-call logging, .vflow format guide in Flows panel. macOS arm64 signed + notarized; Windows x64 unsigned QA build.