Emit runtime download progress and validation summaries for official sync.
Add repeatable real-network full pull smoke runbook and script.
Fixes#4Fixes#6
Update the authoritative docs, guides, architecture notes, gap list, deployment guidance, handoff notes, and changelog to reflect the current Rust official resource sync boundary.
Add the production-facing official update service and bat-official-sync watch CLI for unattended resource synchronization.
Support launcher-resource discovery without installing the launcher, remote marker snapshots, local manifest audit and repair, official seed hash validation, bootstrap caching, richer Addressables coverage, SQLite resource persistence, and FFI JSON helpers.
nyaKazuha