openai/gpt-chat-latest → A (4:1)

Side A adds a substantial, reusable offline tooling capability by introducing a new `sorterc` workspace binary plus shared `server::offline` APIs for compiling `.sorter` files, replaying JSONL event logs, diagnostics, and tests. Side B adds Reddit background fetching and request integration, but it is more specialized, includes a placeholder-style `todo` file, and introduces significant networking complexity without the same broadly reusable development and validation infrastructure.