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.