Drop the entire packages/stats workspace (app, core, server) and add
packages/stats/** to the upstream merge skip list so future syncs no
longer pull it in. Update skip-files tests to cover the new glob.
Dependency changes for opencode v1.15.13:
- add ws 8.21.0 and @types/ws for WebSocket transport
- bump @lydell/node-pty to 1.2.0-beta.12
- add proxy-env and googleapis source links